Allow iFrames from trusted sources in MarkdownView

src/components/showdown/extensions/showdown-iframes.js

@@ -0,0 +1,159 @@
+/**
+ * SHOWDOWN IFRAMES
+ *
+ * This extension filters out iframes with src attributes that
+ * are not from a trusted source
+ */
+
+/** List of trusted URL patterns */
+const TRUSTED_SOURCES = MetacatUI.appModel.get("trustedContentSources") || [];
+
+/**
+ * The sandbox to add to iframes from trusted sources. This allows the iframe
+ * some capabilities, such as running scripts and accessing it's own origin.
+ */
+const SANDBOX = `sandbox="allow-scripts allow-same-origin"`;
+
+/**
+ * Regular expression that finds all iframes in the markdown content. The regex
+ * captures the full iframe tag, the src attribute, the inner content, and the
+ * closing tag, if it exists.
+ * @type {RegExp}
+ */
+const IFRAME_REGEX =
+  /<iframe[^>]*?\bsrc="([^"]*)"[^>]*?>([\s\S]*?)(<\/iframe>)?/g;
+
+/**
+ * Function to convert URL patterns with wildcards to regex patterns.
+ * @param {string} wildcardPattern - The URL pattern with wildcards
+ * @returns {RegExp} - The regex pattern
+ */
+function patternToRegex(wildcardPattern) {
+  // Extract protocol if specified
+  let protocol = "";
+  let pattern = wildcardPattern;
+  const protocolMatch = pattern.match(/^(https?:\/\/)/);
+  if (protocolMatch) {
+    [, protocol] = protocolMatch;
+    pattern = wildcardPattern.slice(protocol.length);
+  }
+
+  // Escape special regex characters except for '*'
+  let escapedPattern = pattern.replace(/[-/\\^$+?.()|[\]{}]/g, "\\$&");
+  // Replace '*' with '.*'
+  escapedPattern = escapedPattern.replace(/\*/g, ".*");
+  // Escape the protocol
+  const escapedProtocol = protocol.replace(/[-/\\^$+?.()|[\]{}]/g, "\\$&");
+  // Build the full regex pattern
+  const regexString = `^${escapedProtocol}${escapedPattern}$`;
+
+  return new RegExp(regexString, "i"); // Case-insensitive matching
+}
+
+/**
+ * Check if a URL is valid according to the trusted sources. Trusted sources may
+ * use wildcards (*) to match multiple URLs. For example, the trusted source
+ * "https://*dataone.org/*" will match any URL that starts with "https://",
+ * contains "dataone.org", and ends with a path. The trusted source
+ * "*arcticdata.io*" will match any URL that contains "arcticdata.io". It could
+ * also include wildcards at any position, such as
+ * "*arcticdata.io/*\/something".
+ * @param {string} url - The URL to check
+ * @returns {boolean} - True if the URL is trusted, false otherwise
+ */
+function isTrustedUrl(url) {
+  if (!TRUSTED_SOURCES?.length) return false;
+
+  try {
+    const urlObj = new URL(url);
+    if (!urlObj.protocol.startsWith("http")) {
+      return false;
+    }
+  } catch (e) {
+    return false;
+  }
+
+  // Check if the URL matches any of the trusted sources
+  for (let i = 0; i < TRUSTED_SOURCES.length; i += 1) {
+    const pattern = TRUSTED_SOURCES[i];
+    const regex = patternToRegex(pattern);
+
+    if (regex.test(url)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+/**
+ * Replace iFrames that are NOT from trusted sources with a link to the source
+ * URL. Make the iFrames from trusted sources secure by adding the 'sandbox'
+ * attribute, which restricts the iframe's capabilities. Remove any inner
+ * content from the iframe.
+ * @param {string} iframe - The full iframe tag
+ * @param {string} src - The src attribute of the iframe
+ * @param {string} _innerContent - The inner content of the iframe tag
+ * @param {string} closingTag - The closing iframe tag
+ * @param {number} _index - The index of the match
+ * @param {string} _markdown - The full markdown content
+ * @returns {string} - The secure iframe tag
+ */
+const secureIFrame = (
+  iframe,
+  src,
+  _innerContent,
+  closingTag,
+  _index,
+  _markdown,
+) => {
+  // Return as a link instead of an iframe if the source is not trusted
+  if (!isTrustedUrl(src)) {
+    return `<a href="${src}" target="_blank" rel="noopener noreferrer"><b>External Content</b>: ${src}</a>`;
+  }
+
+  // Find the position of the first '>' that ends the opening iframe tag
+  const openingTagEndIndex = iframe.indexOf(">");
+
+  // Add the 'sandbox' attr and strip out any inner content
+  if (openingTagEndIndex !== -1) {
+    // Extract the opening tag
+    let openingTag = iframe.slice(0, openingTagEndIndex);
+
+    // Ensure 'sandbox' attribute exists with the correct value
+    if (!/\bsandbox=/.test(openingTag)) {
+      // Add the 'sandbox' attribute
+      openingTag += ` ${SANDBOX}`;
+    } else {
+      // Update the existing 'sandbox' attribute to have the correct value
+      openingTag = openingTag.replace(/\bsandbox="[^"]*"/, SANDBOX);
+    }
+
+    // Close the opening tag
+    openingTag += ">";
+
+    let newIframe;
+    if (closingTag) {
+      // Reconstruct the iframe without inner content and include the closing tag
+      newIframe = `${openingTag}${closingTag}`;
+    } else {
+      // If there is no closing tag, self-close the iframe
+      newIframe = openingTag.replace(">", " />");
+    }
+
+    return newIframe;
+  }
+
+  // If the iframe tag is malformed and doesn't contain '>', return it as is
+  return iframe;
+};
+
+const extension = {
+  type: "output",
+  regex: IFRAME_REGEX,
+  replace: secureIFrame,
+};
+
+define(["showdown"], (showdown) => {
+  showdown.extension("showdown-iframes", () => [extension]);
+});

src/components/showdown/extensions/showdown-xss-filter/showdown-xss-filter.js

@@ -12,6 +12,7 @@ define(['showdown', 'xss'], function (showdown, xss) {
     var options = {
       css: false,
       allowList: {
+        iframe: ["src", "width", "height", "frameborder", "allowfullscreen"],
         a: ["target", "href", "title", "class", "target"],
         abbr: ["title"],
         address: [],

src/js/app.js

@@ -80,6 +80,8 @@ require.config({
       "/components/showdown/extensions/showdown-xss-filter/xss.min",
     showdownHtags:
       MetacatUI.root + "/components/showdown/extensions/showdown-htags",
+    showdownIframes:
+      MetacatUI.root + "/components/showdown/extensions/showdown-iframes",
     // woofmark - markdown editor
     woofmark: MetacatUI.root + "/components/woofmark.min",
     // drop zone creates drag and drop areas

src/js/models/AppModel.js

            */ 
 define(["jquery", "underscore", "backbone"], function ($, _, Backbone) { 
   "use strict"; 
   /** 
    * @class AppModel 
    * @classdesc A utility model that contains top-level configuration and storage for the application 
    * @name AppModel 
    * @extends Backbone.Model 
    * @constructor 
    * @classcategory Models 
    */ 
   var AppModel = Backbone.Model.extend( 
     /** @lends AppModel.prototype */ { 
       defaults: _.extend( 
         /** @lends AppConfig.prototype */ { 
           //TODO: These attributes are stored in the AppModel, but shouldn't be set in the AppConfig, 
           //so we need to add docs for them in a separate place 
           headerType: "default", 
           searchHistory: [], 
           page: 0, 
           previousPid: null, 
           lastPid: null, 
           anchorId: null, 
           profileUsername: null, 
           /** 
            * The theme name to use 
            * @type {string} 
            * @default "default" 
            */ 
           theme: "default", 
           /** 
            * The default page title. 
            * @type {string} 
            */ 
           title: MetacatUI.themeTitle || "Metacat Data Catalog", 
           /** 
            * The default page description. 
            * @type {string} 
            * @since 2.25.0 
            */ 
           description: 
             "A research data catalog and repository that provides access to scientific data, metadata, and more.", 
           /** 
            * The name of this repository. This is used throughout the interface in different 
            * messages and page content. 
            * @type {string} 
            * @default "Metacat Data Catalog" 
            * @since 2.11.2 
            */ 
           repositoryName: MetacatUI.themeTitle || "Metacat Data Catalog", 
           /** 
            * The e-mail address that people should contact when they need help with 
            * submitting datasets, resolving error messages, etc. 
            * @type {string} 
            * @default [email protected] 
            */ 
           emailContact: "[email protected]", 
           /** 
            * Your Google Maps API key, which is used to display interactive maps on the search 
            * views and static maps on dataset landing pages. 
            * If a Google Maps API key is not specified, the maps will be omitted from the interface. 
            * The Google Maps API key also controls the showViewfinder feature on a Map 
            * and should have the Geocoding API and Places API enabled in order to 
            * function properly. 
            * Sign up for Google Maps services at https://console.developers.google.com/ 
            * @type {string} 
            * @example "AIzaSyCYyHnbIokUEpMx5M61ButwgNGX8fIHUs" 
            * @default null 
            */ 
           mapKey: null, 
           /** 
            * Your Google Analytics API key, which is used to send page view and custom events 
            * to the Google Analytics service. 
            * This service is optional in MetacatUI. 
            * Sign up for Google Analytics services at https://analytics.google.com/analytics/web/ 
            * @type {string} 
            * @example "UA-74622301-1" 
            * @default null 
            */ 
           googleAnalyticsKey: null, 
           /** 
            * The map to use in the catalog search (both DataCatalogViewWithFilters and 
            * DataCatalog). This can be set to either "google" (the default), or "cesium". To 
            * use Google maps, the {@link AppConfig#googleAnalyticsKey} must be set. To use 
            * Cesium maps, the {@link AppConfig#enableCesium} property must be set to true, and 
            * the {@link AppConfig#cesiumToken} must be set. DEPRECATION NOTE: This configuration 
            * is deprecated along with the {@link DataCatalogView} and {@link DataCatalogViewWithFilters} 
            * views and Google Maps. The {@link CatalogSearchView} will replace these as the primary search view and will only 
            * support Cesium, not Google Maps. 
            * @type {string} 
            * @example "cesium" 
            * @default "google" 
            * @deprecated 
            */ 
           dataCatalogMap: "google", 
           /** 
            * Set this option to true to display the filtering button for data package table 
            * @type {boolean} 
            * @since 2.28.0 
            */ 
           dataPackageFiltering: false, 
           /** 
            * Set this option to true to display the sorting button for data package table 
            * @type {boolean} 
            * @since 2.28.0 
            */ 
           dataPackageSorting: false, 
           /** 
            * The default options for the Cesium map used in the {@link CatalogSearchView} for searching the data 
            * catalog. Add custom layers, a default home position (for example, zoom into your area of research), 
            * and enable/disable map widgets. See {@link MapConfig} for the full suite of options. Keep the `CesiumGeohash` 
            * layer here in order to show the search results in the map as geohash boxes. Use any satellite imagery 
            * layer of your choice, such as a self-hosted imagery layer or hosted on Cesium Ion. 
            * @type {MapConfig} 
            * @since 2.22.0 
            */ 
           catalogSearchMapOptions: { 
             showLayerList: false, 
             clickFeatureAction: "zoom", 
           }, 
           /** 
            * The node identifier for this repository. This is set dynamically by retrieving the 
            * DataONE Coordinating Node document and finding this repository in the Node list. 
            * (see https://cn.dataone.org/cn/v2/node). 
            * If this repository is not registered with DataONE, then set this node id by copying 
            * the node id from your node info at https://your-repo-site.com/metacat/d1/mn/v2/node 
            * @type {string} 
            * @example "urn:node:METACAT" 
            * @default null 
            */ 
           nodeId: null, 
           /** 
            * If true, this MetacatUI instance is pointing to a CN rather than a MN. 
            * This attribute is set during the AppModel initialization, based on the other configured attributes. 
            * @readonly 
            * @type {boolean} 
            */ 
           isCN: false, 
           /** 
            * Enable or disable the user profiles. If enabled, users will see a "My profile" link 
            * and can view their datasets, metrics on those datasets, their groups, etc. 
            * @type {boolean} 
            * @default true 
            */ 
           enableUserProfiles: true, 
           /** 
            * Enable or disable the user settings view. If enabled, users will see a list of 
            * changeable settings - name, email, groups, portals, etc. 
            * @type {boolean} 
            * @default true 
            */ 
           enableUserProfileSettings: true, 
           /** 
            * The maximum dataset .zip file size, in bytes, that a user can download. 
            * Datasets whose total size are larger than this maximum will show a disabled 
            * "Download All" button, and users will be directed to download files individually. 
            * This is useful for preventing the Metacat package service from getting overloaded. 
            * @type {number} 
            * @default 100000000000 
            */ 
           maxDownloadSize: 100000000000, 
           /** 
            * Add a message that will display during a certain time period. This is useful when 
            * displaying a warning message about planned outages/maintenance, or alert users to other 
            * important information. 
            * If this attribute is left blank, no message will display, even if there is a start and end time specified. 
            * If there are is no start or end time specified, this message will display until you remove it here. 
            * 
            * @type {string} 
            * @default null 
            * @since 2.11.4 
            */ 
           temporaryMessage: null, 
           /** 
            * If there is a temporaryMessage specified, it will display after this start time. 
            * Remember that Dates are in GMT time! 
            * @type {Date} 
            * @example new Date(1594818000000) 
            * @default null 
            * @since 2.11.4 
            */ 
           temporaryMessageStartTime: null, 
           /** 
            * If there is a temporaryMessage specified, it will display before this end time. 
            * Remember that Dates are in GMT time! 
            * @type {Date} 
            * @example new Date(1594818000000) 
            * @default null 
            * @since 2.11.4 
            */ 
           temporaryMessageEndTime: null, 
           /** 
            * Additional HTML classes to give the temporary message element. Use these to style the message. 
            * @type {string} 
            * @default "warning" 
            * @since 2.11.4 
            */ 
           temporaryMessageClasses: "warning", 
           /** 
            * A jQuery selector for the element that the temporary message will be displayed in. 
            * @type {string} 
            * @default "#Navbar" 
            * @since 2.11.4 
            */ 
           temporaryMessageContainer: "#Navbar", 
           /** 
            * If true, the temporary message will include a "Need help? Email us at..." email link 
            * at the end of the message. The email address will be set to {@link AppConfig#emailContact} 
            * @type {boolean} 
            * @default true 
            * @since 2.13.3 
            */ 
           temporaryMessageIncludeEmail: true, 
           /** 
            * Show or hide the source repository logo in the search result rows 
            * @type {boolean} 
            * @default false 
            */ 
           displayRepoLogosInSearchResults: false, 
           /** 
            * Show or hide the Download button in the search result rows 
            * @type {boolean} 
            * @default false 
            */ 
           displayDownloadButtonInSearchResults: false, 
           /** 
            * If set to false, some parts of the app will send POST HTTP requests to the 
            * Solr search index via the `/query/solr` DataONE API. 
            * Set this configuration to true if using Metacat 2.10.2 or earlier 
            * @type {boolean} 
            */ 
           disableQueryPOSTs: false, 
           /** If set to true, some parts of the app will use the Solr Join Query syntax 
            * when sending queries to the `/query/solr` DataONE API. 
            * If this is not enabled, then some parts of the UI may not work if a query has too 
            * many characters or has too many boolean clauses. This impacts the "Metrics" tabs of portals/collections, 
            * at least. 
            * The Solr Join Query Parser as added in Solr 4.0.0-ALPHA (I believe!): https://archive.apache.org/dist/lucene/solr/4.0.0/changes/Changes.html#4.0.0-alpha.new_features 
            * About the Solr Join Query Parser: https://lucene.apache.org/solr/guide/8_5/other-parsers.html#join-query-parser 
            * WARNING: At some point, MetacatUI will deprecate this configuration and will REQUIRE Solr Join Queries 
            * @type {boolean} 
            */ 
           enableSolrJoins: false, 
           /** 
            * The search filters that will be displayed in the search views. Add or remove 
            * filter names from this array to show or hide them. See "example" to see all the 
            * filter options. 
            * @type {string[]} 
            * @default ["all", "attribute", "documents", "creator", "dataYear", "pubYear", "id", "taxon", "spatial", "isPrivate"] 
            * @example ["all", "annotation", "attribute", "dataSource", "documents", "creator", "dataYear", "pubYear", "id", "taxon", "spatial"] 
            */ 
           defaultSearchFilters: [ 
             "all", 
             "attribute", 
             "documents", 
             "creator", 
             "dataYear", 
             "pubYear", 
             "id", 
             "taxon", 
             "spatial", 
             "isPrivate", 
             "projectText", 
           ], 
           /** 
            * Enable to show Whole Tale features 
            * @type {Boolean} 
            * @default false 
            */ 
           showWholeTaleFeatures: false, 
           /** 
            * The WholeTale environments that are exposed on the dataset landing pages 
            * @type {string[]} 
            * @default ["RStudio", "Jupyter Notebook"] 
            */ 
           taleEnvironments: ["RStudio", "Jupyter Notebook"], 
           /** 
            * The Whole Tale endpoint 
            * @type {string} 
            * @default 'https://girder.wholetale.org/api/v1/integration/dataone' 
            */ 
           dashboardUrl: 
             "https://girder.wholetale.org/api/v1/integration/dataone", 
           /** 
        * A list of all the required fields in the EML Editor. 
        * Any field set to `true` will prevent the user from saving the Editor until a value has been given 
        * Any EML field not supported in this list cannot be required. 
        * @type {object} 
        * @property {boolean} abstract - Default: true 
        * @property {boolean} alternateIdentifier - Default: false 
        * @property {boolean} dataSensitivity Default: false 
        * @property {boolean} funding - Default: false 
        * @property {boolean} generalTaxonomicCoverage - Default: false 
        * @property {boolean} taxonCoverage - Default: false. If true, at least one taxonomic rank and value will be required. 
        * @property {boolean} geoCoverage - Default: false. If true, at least one geographic coverage description and point/bounding box will be required. 
        * @property {boolean} intellectualRights - Default: true 
        * @property {boolean} keywordSets - Default: false. If true, at least one keyword will be required. 
        * @property {boolean} methods - Default: false. If true, at least one method step will be required. 
        * @property {boolean} samplingDescription - Default: false 
        * @property {boolean} studyExtentDescription - Default: false 
        * @property {boolean} temporalCoverage - Default: false. If true, at least a beginDate will be required. 
        * @property {boolean} title - Default: true. EML documents always require a title. Only set this to false if you are extending MetacatUI to ensure a title another way. 
        * @default { 
                      abstract: true, 
                      alternateIdentifier: false, 
                      funding: false, 
                      dataSensitivity: false, 
                      generalTaxonomicCoverage: false, 
                      taxonCoverage: false, 
                      geoCoverage: false, 
                      intellectualRights: true, 
                      keywordSets: false, 
                      methods: false, 
                      samplingDescription: false, 
                      studyExtentDescription: false, 
                      temporalCoverage: false, 
                      title: true 
                    } 
         * @example 
         *  { 
         *    abstract: true, 
         *    alternateIdentifier: false, 
         *    funding: false, 
         *    dataSensitivity: true, 
         *    generalTaxonomicCoverage: false, 
         *    taxonCoverage: false, 
         *    geoCoverage: false, 
         *    intellectualRights: true, 
         *    keywordSets: false, 
         *    methods: false, 
         *    samplingDescription: false, 
         *    studyExtentDescription: false, 
         *    temporalCoverage: false, 
         *    title: true, 
         *    contact: true, 
         *    principalInvestigator: true 
         *  } 
        */ 
           emlEditorRequiredFields: { 
             abstract: true, 
             alternateIdentifier: false, 
             dataSensitivity: false, 
             funding: false, 
             generalTaxonomicCoverage: false, 
             taxonCoverage: false, 
             geoCoverage: false, 
             intellectualRights: true, 
             keywordSets: false, 
             methods: false, 
             samplingDescription: false, 
             studyExtentDescription: false, 
             temporalCoverage: false, 
             title: true, 
             creator: true, 
             contact: true, 
           }, 
           /** 
            * A list of required fields for each EMLParty (People) in the dataset editor. 
            * This is a literal object where the keys are the EML Party type (e.g. creator, principalInvestigator) {@link see EMLParty.partytypes} 
            * and the values are arrays of field names. 
            * By default, EMLPartys are *always* required to have an individual's name, position name, or organization name. 
            * @type {object} 
            * @since 2.21.0 
            * @example 
            *   { 
            *      contact: ["email"], 
            *      creator: ["email", "address", "phone"] 
            *      principalInvestigator: ["organizationName"] 
            *   } 
            * @default 
            *  { 
            *  } 
            */ 
           emlEditorRequiredFields_EMLParty: {}, 
           /** 
       * An array of science metadata format IDs that are editable in MetacatUI. 
       * Metadata documents with these format IDs will have an Edit button and will be 
       * editable in the Editor Views. 
       * This should only be changed if you have extended MetacatUI to edit a new format, 
       * or if you want to disable editing of a specific format ID. 
       * @type {string[]} 
       * @default [ 
         "eml://ecoinformatics.org/eml-2.1.1", 
         "https://eml.ecoinformatics.org/eml-2.2.0" 
       ] 
       * @example 
       *  [ 
       *    "eml://ecoinformatics.org/eml-2.1.1", 
       *    "https://eml.ecoinformatics.org/eml-2.2.0" 
       *  ] 
       * @readonly 
       */ 
           editableFormats: [ 
             "eml://ecoinformatics.org/eml-2.1.1", 
             "https://eml.ecoinformatics.org/eml-2.2.0", 
           ], 
           /** 
            * The format ID the dataset editor serializes new EML as 
            * @type {string} 
            * @default "https://eml.ecoinformatics.org/eml-2.2.0" 
            * @readonly 
            * @since 2.13.0 
            */ 
           editorSerializationFormat: "https://eml.ecoinformatics.org/eml-2.2.0", 
           /** 
            * The XML schema location the dataset editor will use when creating new EML. This should 
            * correspond with {@link AppConfig#editorSerializationFormat} 
            * @type {string} 
            * @default "https://eml.ecoinformatics.org/eml-2.2.0 https://eml.ecoinformatics.org/eml-2.2.0/eml.xsd" 
            * @readonly 
            * @since 2.13.0 
            */ 
           editorSchemaLocation: 
             "https://eml.ecoinformatics.org/eml-2.2.0 https://eml.ecoinformatics.org/eml-2.2.0/eml.xsd", 
           /** 
            * The text to use for the eml system attribute. The system attribute 
            * indicates the data management system within which an identifier is in 
            * scope and therefore unique. This is typically a URL (Uniform Resource 
            * Locator) that indicates a data management system.  All identifiers that 
            * share a system must be unique. In other words, if the same identifier 
            * is used in two locations with identical systems, then by definition the 
            * objects at which they point are in fact the same object. 
            * @type {string} 
            * @since 2.26.0 
            * @link https://eml.ecoinformatics.org/schema/eml-resource_xsd#SystemType 
            * @link https://eml.ecoinformatics.org/schema/eml_xsd 
            */ 
           emlSystem: "knb", 
           /** 
            * This error message is displayed when the Editor encounters an error saving 
            * @type {string} 
            */ 
           editorSaveErrorMsg: "Not all of your changes could be submitted.", 
           /** 
            * This error message is displayed when the Editor encounters an error saving, and a plain-text draft is saved instead 
            * @type {string} 
            */ 
           editorSaveErrorMsgWithDraft: 
             "Not all of your changes could be submitted, but a draft " + 
             "has been saved which can be accessed by our support team. Please contact us.", 
           /** 
            * The text of the Save button in the dataset editor. 
            * @type {string} 
            * @default "Save dataset" 
            * @since 2.13.3 
            */ 
           editorSaveButtonText: "Save dataset", 
           /** 
       * A list of keyword thesauri options for the user to choose from in the EML Editor. 
       * A "None" option will also always display. 
       * @type {object[]} 
       * @property {string} label - A readable and short label for the keyword thesaurus that is displayed in the UI 
       * @property {string} thesaurus - The exact keyword thesaurus name that will be saved in the EML 
       * @since 2.10.0 
       * @default [{ 
                   label: "GCMD", 
                   thesaurus: "NASA Global Change Master Directory (GCMD)" 
                 }] 
       * @example 
       *  [{ 
       *    label: "GCMD", 
       *    thesaurus: "NASA Global Change Master Directory (GCMD)" 
       *  }] 
       */ 
           emlKeywordThesauri: [ 
             { 
               label: "GCMD", 
               thesaurus: "NASA Global Change Master Directory (GCMD)", 
             }, 
           ], 
           /** 
            * If true, questions related to Data Sensitivity will be shown in the EML Editor. 
            * @type {boolean} 
            * @default true 
            * @since 2.19.0 
            */ 
           enableDataSensitivityInEditor: true, 
           /** 
            * The URL of a webpage that shows more information about Data Sensitivity and DataTags. This will be used 
            * for links in help text throughout the app, such as next to Data Sensitivity questions in the dataset editor. 
            * 
            * @type {string} 
            * @default "http://datatags.org" 
            * @since 2.19.0 
            */ 
           dataSensitivityInfoURL: "http://datatags.org", 
           /** 
       * In the editor, sometimes it is useful to have guided questions for the Methods section 
       * in addition to the generic numbered method steps. These custom methods are defined here 
       * as an array of literal objects that define each custom Methods question. Custom methods 
       * are serialized to the EML as regular method steps, but with an unchangeable title, defined here, 
       * in order to identify them. 
       * 
       * @typedef {object} CustomEMLMethod 
       * @property {string[]} titleOptions One or more titles that may exist in an EML Method Step that identify that Method Step as a custom method type. THe first title in the array is serialized to the EML XML. 
       * @property {string} id A unique identifier for this custom method type. 
       * @property {boolean} required If true, this custom method will be a required field for submission in the EML editor. 
       * @example [{ 
                     "titleOptions": ["Ethical Research Procedures"], 
                     "id": "ethical-research-procedures", 
                     "required": false 
                   }] 
       * @since 2.19.0 
       */ 
           /** 
            * In the editor, sometimes it is useful to have guided questions for the Methods section 
            * in addition to the generic numbered method steps. These custom methods are defined here 
            * as an array of literal objects that define each custom Methods question. Custom methods 
            * are serialized to the EML as regular method steps, but with an unchangeable title, defined here, 
            * in order to identify them. 
            * @type {CustomEMLMethod} 
            * @since 2.19.0 
            */ 
           customEMLMethods: [], 
           /** 
            * Configuration options for a drop down list of taxa. 
            * @typedef {object} AppConfig#quickAddTaxaList 
            * @type {Object} 
            * @property {string} label - The label for the dropdown menu 
            * @property {string} placeholder - The placeholder text for the input field 
            * @property {EMLTaxonCoverage#taxonomicClassification[]} taxa - The list of taxa to show in the dropdown menu 
            * @example 
            * { 
            *  label: "Primates", 
            *  placeholder: "Select one or more primates", 
            *  taxa: [ 
            *    { 
            *     commonName: "Bonobo", 
            *     taxonRankName: "Species", 
            *     taxonRankValue: "Pan paniscus", 
            *     taxonId: { 
            *        provider: "ncbi", 
            *        value: "9597" 
            *     } 
            *   }, 
            *   { 
            *     commonName: "Chimpanzee", 
            *     ... 
            *   }, 
            *   ... 
            * } 
            * @since 2.24.0 
            */ 
           /** 
            * A list of taxa to show in the Taxa Quick Add section of the EML editor. 
            * This can be used to expedite entry of taxa that are common in the 
            * repository's domain. The quickAddTaxa is a list of objects, each 
            * defining a separate dropdown interface. This way, common taxa can 
            * be grouped together. 
            * Alternative, provide a SID for a JSON data object that is stored in the 
            * repository. The JSON must be in the same format as required for this 
            * configuration option. 
            * @since 2.24.0 
            * @type {AppConfig#quickAddTaxaList[] | string} 
            * @example 
            * [ 
            *   { 
            *     label: "Bats" 
            *     placeholder: "Select one or more bats", 
            *     taxa: [ ... ] 
            *   }, 
            *   { 
            *     label: "Birds" 
            *     placeholder: "Select one or more birds", 
            *     taxa: [ ... ] 
            *   } 
            * ] 
            */ 
           quickAddTaxa: [], 
           /** 
            * The base URL for the repository. This only needs to be changed if the repository 
            * is hosted at a different origin than the MetacatUI origin. This URL is used to contruct all 
            * of the DataONE REST API URLs. If you are testing MetacatUI against a development repository 
            * at an external location, this is where you would set that external repository URL. 
            * @type {string} 
            * @default window.location.origin || (window.location.protocol + "//" + window.location.host) 
            */ 
           baseUrl: 
             window.location.origin || 
             window.location.protocol + "//" + window.location.host, 
           /** 
            * The directory that metacat is installed in at the `baseUrl`. For example, if you 
            * have metacat installed in the tomcat webapps directory as `metacat`, then this should be set 
            * to "/metacat". Or if you renamed the metacat webapp to `catalog`, then it should be `/catalog`. 
            * @type {string} 
            * @default "/metacat" 
            */ 
           context: MetacatUI.AppConfig.metacatContext || "/metacat", 
           /** 
            * The URL fragment for the DataONE Member Node (MN) API. 
            * @type {string} 
            * @default '/d1/mn/v2' 
            */ 
           d1Service: "/d1/mn/v2", 
           /** 
            * The base URL of the DataONE Coordinating Node (CN). CHange this if you 
            * are testing a deployment in a development environment. 
            * @type {string} 
            * @default "https://cn.dataone.org" 
            * @example "https://cn-stage.test.dataone.org" 
            */ 
           d1CNBaseUrl: "https://cn.dataone.org", 
           /** 
            * The URL fragment for the DataONE Coordinating Node (CN) API. 
            * @type {string} 
            * @default '/cn/v2' 
            */ 
           d1CNService: "/cn/v2", 
           /** 
            * The URL for the DataONE Search MetacatUI. This only needs to be changed 
            * if you want to point to a development environment. 
            * @type {string} 
            * @default "https://search.dataone.org" 
            * @readonly 
            * @since 2.13.0 
            */ 
           dataoneSearchUrl: "https://search.dataone.org", 
           /** 
            * The URL for the DataONE listNodes() API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNCore.listNodes) 
            * @type {string} 
            */ 
           nodeServiceUrl: null, 
           /** 
            * The URL for the DataONE View API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#module-MNView) 
            * @type {string} 
            */ 
           viewServiceUrl: null, 
           /** 
            * The URL for the DataONE getPackage() API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNPackage.getPackage) 
            * 
            * @type {string} 
            */ 
           packageServiceUrl: null, 
           /** 
            * The URL for the Metacat Publish service. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * @type {string} 
            */ 
           publishServiceUrl: null, 
           /** 
            * The URL for the DataONE isAuthorized() API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNAuthorization.isAuthorized) 
            * @type {string} 
            */ 
           authServiceUrl: null, 
           /** 
            * The URL for the DataONE query API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNQuery.query) 
            * @type {string} 
            */ 
           queryServiceUrl: null, 
           /** 
            * The URL for the DataONE reserveIdentifier() API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNCore.reserveIdentifier) 
            * @type {string} 
            */ 
           reserveServiceUrl: null, 
           /** 
            * The URL for the DataONE system metadata API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNRead.getSystemMetadata 
            * and https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNStorage.updateSystemMetadata) 
            * @type {string} 
            */ 
           metaServiceUrl: null, 
           /** 
            * The URL for the DataONE system metadata API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNRead.getSystemMetadata 
            * and https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNStorage.updateSystemMetadata) 
            * @type {string} 
            */ 
           objectServiceUrl: null, 
           /** 
            * The URL for the DataONE Formats API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNCore.listFormats) 
            * @type {string} 
            */ 
           formatsServiceUrl: null, 
           /** 
            * The URL fragment for the DataONE Formats API. This is combined with the AppConfig#formatsServiceUrl 
            * @type {string} 
            * @default "/formats" 
            */ 
           formatsUrl: "/formats", 
           /** 
            * If true, parts of the UI (most notably, "funding" field in the dataset editor) 
            * may look up NSF Award information 
            * @type {boolean} 
            * @default false 
            */ 
           useNSFAwardAPI: false, 
           /** 
            * The URL for the NSF Award API, which can be used by the {@link LookupModel} 
            * to look up award information for the dataset editor or other views. The 
            * URL must point to a proxy that can make requests to the NSF Award API, 
            * since it does not support CORS. 
            * @type {string} 
            * @default "/research.gov/awardapi-service/v1/awards.json" 
            */ 
           grantsUrl: "/research.gov/awardapi-service/v1/awards.json", 
           /** 
            * The base URL for the ORCID REST services 
            * @type {string} 
            * @default "https:/orcid.org" 
            */ 
           orcidBaseUrl: "https:/orcid.org", 
           /** 
            * The URL for the ORCID search API, which can be used to search for information 
            * about people using their ORCID, email, name, etc. 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           orcidSearchUrl: null, 
           /** 
            * The URL for the Metacat API. The Metacat API has been deprecated and is kept here 
            * for compatability with Metacat repositories that are using the old x509 certificate 
            * authentication mechanism. This is deprecated since authentication is now done via 
            * the DataONE Portal service using auth tokens. (Using the {@link AppConfig#tokenUrl}) 
            * This URL is contructed dynamically when the AppModel is initialized. 
            * Only override this if you are an advanced user and have a reason to! 
            * @type {string} 
            */ 
           metacatServiceUrl: null, 
           /** 
            * If false, the /monitor/status (the service that returns the status of various DataONE services) will not be used. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           enableMonitorStatus: true, 
           /** 
            * The URL for the service that returns the status of various DataONE services. 
            * The only supported status so far is the search index queue -- the number of 
            * objects that are waiting to be indexed in the Solr search index. 
            * This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * @type {string} 
            * @since 2.9.0 
            */ 
           monitorStatusUrl: "", 
           /** 
            * If true, users will see a page with sign-in troubleshooting tips 
            * @type {boolean} 
            * @default true 
            * @since 2.13.3 
            */ 
           showSignInHelp: true, 
           /** 
            * If true, users can sign in using CILogon as the identity provider. 
            * ORCID is the only recommended identity provider. CILogon may be deprecated 
            * in the future. 
            * @type {boolean} 
            * @default false 
            */ 
           enableCILogonSignIn: false, 
           /** 
            * The URL for the DataONE Sign In API using CILogon as the identity provider 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           signInUrl: null, 
           /** 
            * The URL for the DataONE Sign Out API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           signOutUrl: null, 
           /** 
            * The URL for the DataONE Sign In API using ORCID as the identity provider 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           signInUrlOrcid: null, 
           /** 
            * Enable DataONE LDAP authentication. If true, users can sign in from an LDAP account that is in the DataONE CN LDAP directory. 
            * This is not recommended, as DataONE is moving towards supporting only ORCID logins for users. 
            * This LDAP authentication is separate from the File-based authentication for the Metacat Admin interface. 
            * @type {boolean} 
            * @default false 
            * @since 2.11.0 
            */ 
           enableLdapSignIn: false, 
           /** 
            * The URL for the DataONE Sign In API using LDAP as the identity provider 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           signInUrlLdap: null, 
           /** 
            * The URL for the DataONE Token API using ORCID as the identity provider 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           tokenUrl: null, 
           /** 
            * The URL for the DataONE echoCredentials() API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNDiagnostic.echoCredentials) 
            * @type {string} 
            */ 
           checkTokenUrl: null, 
           /** 
            * The URL for the DataONE Identity API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#module-CNIdentity) 
            * @type {string} 
            */ 
           accountsUrl: null, 
           /** 
            * The URL for the DataONE Pending Maps API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNIdentity.getPendingMapIdentity) 
            * @type {string} 
            */ 
           pendingMapsUrl: null, 
           /** 
            * The URL for the DataONE mapIdentity() API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNIdentity.mapIdentity) 
            * @type {string} 
            */ 
           accountsMapsUrl: null, 
           /** 
            * The URL for the DataONE Groups API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNIdentity.createGroup) 
            * @type {string} 
            */ 
           groupsUrl: null, 
           /** 
            * The URL for the DataONE metadata assessment service 
            * @type {string} 
            * @default "https://api.dataone.org/quality" 
            */ 
           mdqBaseUrl: "https://api.dataone.org/quality", 
           /** 
            * Metadata Assessment Suite IDs for the dataset assessment reports. 
            * @type {string[]} 
            * @default ["FAIR-suite-0.4.0"] 
            */ 
           mdqSuiteIds: ["FAIR-suite-0.4.0"], 
           /** 
            * Metadata Assessment Suite labels for the dataset assessment reports 
            * @type {string[]} 
            * @default ["FAIR Suite v0.4.0"] 
            */ 
           mdqSuiteLabels: ["FAIR Suite v0.4.0"], 
           /** 
            * Metadata Assessment Suite IDs for the aggregated assessment charts 
            * @type {string[]} 
            * @default ["FAIR-suite-0.4.0"] 
            */ 
           mdqAggregatedSuiteIds: ["FAIR-suite-0.4.0"], 
           /** 
            * Metadata Assessment Suite labels for the aggregated assessment charts 
            * @type {string[]} 
            * @default ["FAIR Suite v0.4.0"] 
            */ 
           mdqAggregatedSuiteLabels: ["FAIR Suite v0.4.0"], 
           /** 
            * The metadata formats for which to display metadata assessment reports 
            * @type {string[]} 
            * @default ["eml*", "https://eml*", "*isotc211*"] 
            */ 
           mdqFormatIds: ["eml*", "https://eml*", "*isotc211*"], 
           /** 
            * Metrics endpoint url 
            * @type {string} 
            */ 
           metricsUrl: "https://logproc-stage-ucsb-1.test.dataone.org/metrics", 
           /** 
            * Forwards collection Query to Metrics Service if enabled 
            * @type {boolean} 
            * @default true 
            */ 
           metricsForwardCollectionQuery: true, 
           /** 
            * DataONE Citation reporting endpoint url 
            * @type {string} 
            */ 
           dataoneCitationsUrl: 
             "https://logproc-stage-ucsb-1.test.dataone.org/citations", 
           /** 
            * Hide or show the report Citation button in the dataset landing page. 
            * @type {boolean} 
            * @default true 
            */ 
           hideReportCitationButton: false, 
           /** 
            * Hide or show the aggregated citations chart in the StatsView. 
            * These charts are only available for DataONE Plus members or Hosted Repositories. 
            * (see https://dataone.org) 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           hideSummaryCitationsChart: true, 
           /** 
            * Hide or show the aggregated downloads chart in the StatsView 
            * These charts are only available for DataONE Plus members or Hosted Repositories. 
            * (see https://dataone.org) 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           hideSummaryDownloadsChart: true, 
           /** 
            * Hide or show the aggregated metadata assessment chart in the StatsView 
            * These charts are only available for DataONE Plus members or Hosted Repositories. 
            * (see https://dataone.org) 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           hideSummaryMetadataAssessment: true, 
           /** 
            * Hide or show the aggregated views chart in the StatsView 
            * These charts are only available for DataONE Plus members or Hosted Repositories. 
            * (see https://dataone.org) 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           hideSummaryViewsChart: true, 
           /** 
            * Metrics flag for the Dataset Landing Page 
            * Enable this flag to enable metrics display 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetMetrics: true, 
           /** 
            * If true, displays the dataset metrics tooltips on the metrics buttons. 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetMetricsTooltip: true, 
           /** 
            * If true, displays the datasets metric modal windows on the dataset landing page 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayMetricModals: true, 
           /** 
            * If true, displays the dataset citation metrics on the dataset landing page 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetCitationMetric: true, 
           /** 
            * If true, displays the dataset download metrics on the dataset landing page 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetDownloadMetric: true, 
           /** 
            * If true, displays the dataset view metrics on the dataset landing page 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetViewMetric: true, 
           /** 
            * If true, displays the citation registration tool on the dataset landing page 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           displayRegisterCitationTool: true, 
           /** 
            * If true, displays the "Edit" button on the dataset landing page 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetEditButton: true, 
           /** 
            * If true, displays the metadata assessment metrics on the dataset landing page 
            * @type {boolean} 
            * @default false 
            */ 
           displayDatasetQualityMetric: false, 
           /** 
            * If true, displays the WholeTale "Analyze" button on the dataset landing page 
            * @type {boolean} 
            * @default false 
            */ 
           displayDatasetAnalyzeButton: false, 
           /** 
            * If true, displays various buttons on the dataset landing page for dataset owners 
            * @type {boolean} 
            * @default false 
            */ 
           displayDatasetControls: true, 
           /** Hide metrics display for SolrResult models that match the given properties. 
            *  Properties can be functions, which are given the SolrResult model value as a parameter. 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {object} 
            * @example 
            * { 
            *   formatId: "eml://ecoinformatics.org/eml-2.1.1", 
            *   isPublic: true, 
            *   dateUploaded: function(date){ 
            *     return new Date(date) < new Date('1995-12-17T03:24:00'); 
            *   } 
            * } 
            * // This example would hide metrics for any objects that are: 
            * //  EML 2.1.1 OR public OR were uploaded before 12/17/1995. 
            */ 
           hideMetricsWhen: null, 
           /** 
            * The bounding box path color to use in the Google Static Map images on the dataset landing pages. 
            * Specify the color either as a 24-bit (example: color=0xFFFFCC) or 32-bit hexadecimal value 
            * (example: color=0xFFFFCCFF), or from the set: black, brown, green, purple, yellow, blue, gray, orange, red, white. 
            * For more information, see the Google Statis Maps API docs: https://developers.google.com/maps/documentation/maps-static/start#PathStyles 
            * @type {string} 
            * @default "0xDA4D3Aff" (red) 
            * @since 2.13.0 
            */ 
           datasetMapPathColor: "0xDA4D3Aff", 
           /** 
            * The bounding box fill color to use in the Google Static Map images on the dataset landing pages. 
            * If you don't want to fill in the bounding boxes with a color, set this to null or undefined. 
            * Specify the color either as a 24-bit (example: color=0xFFFFCC) or 32-bit hexadecimal value 
            * (example: color=0xFFFFCCFF), or from the set: black, brown, green, purple, yellow, blue, gray, orange, red, white. 
            * For more information, see the Google Statis Maps API docs: https://developers.google.com/maps/documentation/maps-static/start#PathStyles 
            * @type {string} 
            * @default "0xFFFF0033" (light yellow) 
            * @since 2.13.0 
            */ 
           datasetMapFillColor: "0xFFFF0033", 
           /** 
            * The hue/color of the tiles drawn on the map when searching for data. 
            * This should be a three-digit hue degree between 0 and 360. (Try https://hslpicker.com) 
            * This is set on the {@link Map} model when it is initialized. 
            * @type {string} 
            * @default "192" (blue) 
            * @since 2.13.3 
            */ 
           searchMapTileHue: "192", 
           /** 
            * If true, the dataset landing pages will generate Schema.org-compliant JSONLD 
            * and insert it into the page. 
            * @type {boolean} 
            * @default true 
            */ 
           isJSONLDEnabled: true, 
           /** 
            * If true, users can see a "Publish" button in the MetadataView, which makes the metadata 
            * document public and gives it a DOI identifier. 
            * If false, the button will be hidden completely. 
            * @type {boolean} 
            * @default true 
            */ 
           enablePublishDOI: true, 
           /** 
            * A list of users or groups who exclusively will be able to see and use the "Publish" button, 
            * which makes the metadata document public and gives it a DOI identifier. 
            * Anyone not in this list will not be able to see the Publish button. 
            * `enablePublishDOI` must be set to `true` for this to take effect. 
            * @type {string[]} 
            */ 
           enablePublishDOIForSubjects: [], 
           /** 
            * If true, users can change the AccessPolicy for any of their objects. 
            * This is equivalent to setting {@link AppConfig#allowAccessPolicyChangesPortals} and 
            * {@link AppConfig#allowAccessPolicyChangesDatasets} to `true`. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           allowAccessPolicyChanges: true, 
           /** 
            * If true, users can change the AccessPolicy for their portals only. 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           allowAccessPolicyChangesPortals: true, 
           /** 
            * Limit portal Access policy editing to only a defined list of people or groups. 
            * To let everyone edit access policies for their own objects, keep this as an empty array 
            * and make sure {@link AppConfig#allowAccessPolicyChangesPortals} is set to `true` 
            * @type {boolean} 
            * @default [] 
            * @since 2.15.0 
            */ 
           allowAccessPolicyChangesPortalsForSubjects: [], 
           /** 
            * If true, users can change the AccessPolicy for their datasets only. 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           allowAccessPolicyChangesDatasets: true, 
           /** 
            * Limit dataset Access policy editing to only a defined list of people or groups. 
            * To let everyone edit access policies for their own objects, keep this as an empty array 
            * and make sure {@link AppConfig#allowAccessPolicyChangesDatasets} is set to `true` 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           allowAccessPolicyChangesDatasetsForSubjects: [], 
           /** 
       * The default {@link AccessPolicy} set on new objects uploaded to the repository. 
       * Each literal object here gets set directly on an {@link AccessRule} model. 
       * See the {@link AccessRule} list of default attributes for options on what to set here. 
       * @see {@link AccessRule} 
       * @type {object[]} 
       * @since 2.9.0 
       * @default [{ 
                   subject: "public", 
                   read: true 
                 }] 
       * @example 
       * [{ 
       *   subject: "public", 
       *   read: true 
       * }] 
       * // This example would assign public access to all new objects created in MetacatUI. 
       */ 
           defaultAccessPolicy: [ 
             { 
               subject: "public", 
               read: true, 
             }, 
           ], 
           /** 
            * When new data objects are added to a {@link DataPackage}, they can either inherit the {@link AccessPolicy} from the 
            * parent metadata object, or default to the {@link AppConfig#defaultAccessPolicy}. To inherit the {@link AccessPolicy} 
            * from the parent metadata object, set this config to `true`. 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           inheritAccessPolicy: true, 
           /** 
            * The user-facing name for editing the Access Policy. This is displayed as the header of the AccessPolicyView, for example 
            * @type {string} 
            * @since 2.9.0 
            * @default "Sharing options" 
            */ 
           accessPolicyName: "Sharing options", 
           /** 
       * @type {object} 
       * @property {boolean} accessRuleOptions.read  - If true, users will be able to give others read access to their DataONE objects 
       * @property {boolean} accessRuleOptions.write - If true, users will be able to give others write access to their DataONE objects 
       * @property {boolean} accessRuleOptions.changePermission - If true, users will be able to give others changePermission access to their DataONE objects 
       * @since 2.9.0 
       * @default { 
                   read: true, 
                   write: true, 
                   changePermission: true 
                 } 
       * @example 
       * { 
       *   read: true, 
       *   write: true, 
       *   changePermission: false 
       * } 
       * // This example would enable users to edit the read and write access to files, 
       * // but not change ownership, in the Access Policy View. 
       */ 
           accessRuleOptions: { 
             read: true, 
             write: true, 
             changePermission: true, 
           }, 
           /** 
            * @type {object} 
            * @property {boolean} accessRuleOptionNames.read  - The user-facing name of the "read" access in Access Rules 
            * @property {boolean} accessRuleOptionNames.write - The user-facing name of the "write" access in Access Rules 
            * @property {boolean} accessRuleOptionNames.changePermission - The user-facing name of the "changePermission" access in Access Rules 
            * @since 2.9.0 
            * @example 
            *  { 
            *    read: "Can view", 
            *    write: "Can edit", 
            *    changePermission: "Is owner" 
            *  } 
            */ 
           accessRuleOptionNames: { 
             read: "Can view", 
             write: "Can edit", 
             changePermission: "Is owner", 
           }, 
           /** 
            * If false, the rightsHolder of a resource will not be displayed in the AccessPolicyView. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           displayRightsHolderInAccessPolicy: true, 
           /** 
            * If false, users will not be able to change the rightsHolder of a resource in the AccessPolicyView 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           allowChangeRightsHolder: true, 
           /** 
            * A list of group subjects that will be hidden in the AccessPolicy view to 
            * everyone except those in the group. This is useful for preventing users from 
            * removing repository administrative groups from access policies. 
            * @type {string[]} 
            * @since 2.9.0 
            * @example ["CN=data-admin-group,DC=dataone,DC=org"] 
            */ 
           hiddenSubjectsInAccessPolicy: [], 
           /** 
            * The format ID the portal editor serializes a new portal document as 
            * @type {string} 
            * @default "https://purl.dataone.org/portals-1.1.0" 
            * @readonly 
            * @since 2.17.0 
            */ 
           portalEditorSerializationFormat: 
             "https://purl.dataone.org/portals-1.1.0", 
           /** 
            * If true, the public/private toggle will be displayed in the Sharing Options for portals. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           showPortalPublicToggle: true, 
           /** 
            * The public/private toggle will be displayed in the Sharing Options for portals for only 
            * the given users or groups. To display the public/private toggle for everyone, 
            * set `showPortalPublicToggle` to true and keep this array empty. 
            * @type {string[]} 
            * @since 2.9.0 
            */ 
           showPortalPublicToggleForSubjects: [], 
           /** 
            * If true, the public/private toggle will be displayed in the Sharing Options for datasets. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           showDatasetPublicToggle: true, 
           /** 
            * The public/private toggle will be displayed in the Sharing Options for datasets for only 
            * the given users or groups. To display the public/private toggle for everyone, 
            * set `showDatasetPublicToggle` to true and keep this array empty. 
            * @type {string[]} 
            * @since 2.15.0 
            */ 
           showDatasetPublicToggleForSubjects: [], 
           /** 
            * Set to false to hide the display of "My Portals", which shows the user's current portals 
            * @type {boolean} 
            * @default true 
            */ 
           showMyPortals: true, 
           /** 
            * The user-facing term for portals in lower-case and in singular form. 
            * e.g. "portal" 
            * @type {string} 
            * @default "portal" 
            */ 
           portalTermSingular: "portal", 
           /** 
            * The user-facing term for portals in lower-case and in plural form. 
            * e.g. "portals". This allows for portal terms with irregular plurals. 
            * @type {string} 
            * @default "portals" 
            */ 
           portalTermPlural: "portals", 
           /** 
            * A URL of a webpage for people to learn more about portals. If no URL is provided, 
            * links to more info about portals will be omitted. 
            * @since 2.14.0 
            * @type {string} 
            * @example "https://dataone.org/plus" 
            * @default null 
            */ 
           portalInfoURL: null, 
           /** 
            * The URL for a webpage where people can learn more about custom portal search 
            * filters. If no URL is provided, links to more info about portals will be omitted. 
            * @since 2.17.0 
            * @type {string} 
            * @example "https://dataone.org/custom-search" 
            * @default null 
            */ 
           portalSearchFiltersInfoURL: null, 
           /** 
            * Set to false to prevent ANYONE from creating a new portal. 
            * @type {boolean} 
            * @default true 
            */ 
           enableCreatePortals: true, 
           /** 
            * Limits only the following people or groups to create new portals. If this is left as an empty array, 
            * then any logged-in user can create a portal. 
            * @type {string[]} 
            */ 
           limitPortalsToSubjects: [], 
           /** 
            * This message will display when a user tries to create a new Portal in the PortalEditor 
            * when they are not associated with a whitelisted subject in the `limitPortalsToSubjects` list 
            * @type {string} 
            */ 
           portalEditNotAuthCreateMessage: 
             "You have not been authorized to create new portals. Please contact us with any questions.", 
           /** 
            * This message will display when a user tries to access the Portal Editor for a portal 
            * for which they do not have write permission. 
            * @type {string} 
            */ 
           portalEditNotAuthEditMessage: 
             "The portal owner has not granted you permission to edit this portal. Please contact the owner to be given edit permission.", 
           /** 
            * This message will display when a user tries to create a new portal when they have exceeded their DataONE portal quota 
            * @type {string} 
            */ 
           portalEditNoQuotaMessage: 
             "You have already reached the maximum number of portals for your membership level.", 
           /** 
            * This message will display when there is any non-specific error during the save process of the PortalEditor. 
            * @type {string} 
            */ 
           portalEditSaveErrorMsg: 
             "Something went wrong while attempting to save your changes.", 
           /** 
            * The list of fields that should be required in the portal editor. 
            * Set individual properties to `true` to require them in the portal editor. 
            * @type {object} 
            * @property {boolean} label - Default: true 
            * @property {boolean} name - Default: true 
            * @property {boolean} description - Default: false 
            * @property {boolean} sectionTitle - Default: true 
            * @property {boolean} sectionIntroduction - Default: false 
            * @property {boolean} logo - Default: false 
            */ 
           portalEditorRequiredFields: { 
             label: true, 
             name: true, 
             description: false, 
             sectionTitle: true, 
             sectionIntroduction: false, 
             logo: false, 
             //The following fields are not yet supported as required fields in the portal editor 
             //TODO: Add support for requiring the below fields 
             sectionImage: false, 
             acknowledgments: false, 
             acknowledgmentsLogos: false, 
             awards: false, 
             associatedParties: false, 
           }, 
           /** 
            * A list of portals labels that no one should be able to create portals with 
            * @type {string[]} 
            * @readonly 
            * @since 2.11.3 
            */ 
           portalLabelBlockList: [ 
             "Dataone", 
             "urn:node:CN", 
             "CN", 
             "cn", 
             "urn:node:CNUNM1", 
             "CNUNM1", 
             "cn-unm-1", 
             "urn:node:CNUCSB1", 
             "CNUCSB1", 
             "cn-ucsb-1", 
             "urn:node:CNORC1", 
             "CNORC1", 
             "cn-orc-1", 
             "urn:node:KNB", 
             "KNB", 
             "KNB Data Repository", 
             "urn:node:ESA", 
             "ESA", 
             "ESA Data Registry", 
             "urn:node:SANPARKS", 
             "SANPARKS", 
             "SANParks Data Repository", 
             "urn:node:ORNLDAAC", 
             "ORNLDAAC", 
             "ORNL DAAC", 
             "urn:node:LTER", 
             "LTER", 
             "U.S. LTER Network", 
             "urn:node:CDL", 
             "CDL", 
             "UC3 Merritt", 
             "urn:node:PISCO", 
             "PISCO", 
             "PISCO MN", 
             "urn:node:ONEShare", 
             "ONEShare", 
             "ONEShare DataONE Member Node", 
             "urn:node:mnORC1", 
             "mnORC1", 
             "DataONE ORC Dedicated Replica Server", 
             "urn:node:mnUNM1", 
             "mnUNM1", 
             "DataONE UNM Dedicated Replica Server", 
             "urn:node:mnUCSB1", 
             "mnUCSB1", 
             "DataONE UCSB Dedicated Replica Server", 
             "urn:node:TFRI", 
             "TFRI", 
             "TFRI Data Catalog", 
             "urn:node:USANPN", 
             "USANPN", 
             "USA National Phenology Network", 
             "urn:node:SEAD", 
             "SEAD", 
             "SEAD Virtual Archive", 
             "urn:node:GOA", 
             "GOA", 
             "Gulf of Alaska Data Portal", 
             "urn:node:KUBI", 
             "KUBI", 
             "University of Kansas - Biodiversity Institute", 
             "urn:node:LTER_EUROPE", 
             "LTER_EUROPE", 
             "LTER Europe Member Node", 
             "urn:node:DRYAD", 
             "DRYAD", 
             "Dryad Digital Repository", 
             "urn:node:CLOEBIRD", 
             "CLOEBIRD", 
             "Cornell Lab of Ornithology - eBird", 
             "urn:node:EDACGSTORE", 
             "EDACGSTORE", 
             "EDAC Gstore Repository", 
             "urn:node:IOE", 
             "IOE", 
             "Montana IoE Data Repository", 
             "urn:node:US_MPC", 
             "US_MPC", 
             "Minnesota Population Center", 
             "urn:node:EDORA", 
             "EDORA", 
             "Environmental Data for the Oak Ridge Area (EDORA)", 
             "urn:node:RGD", 
             "RGD", 
             "Regional and Global biogeochemical dynamics Data (RGD)", 
             "urn:node:GLEON", 
             "GLEON", 
             "GLEON Data Repository", 
             "urn:node:IARC", 
             "IARC", 
             "IARC Data Archive", 
             "urn:node:NMEPSCOR", 
             "NMEPSCOR", 
             "NM EPSCoR Tier 4 Node", 
             "urn:node:TERN", 
             "TERN", 
             "TERN Australia", 
             "urn:node:NKN", 
             "NKN", 
             "Northwest Knowledge Network", 
             "urn:node:USGS_SDC", 
             "USGS_SDC", 
             "USGS Science Data Catalog", 
             "urn:node:NRDC", 
             "NRDC", 
             "NRDC DataONE member node", 
             "urn:node:NCEI", 
             "NCEI", 
             "NOAA NCEI Environmental Data Archive", 
             "urn:node:PPBIO", 
             "PPBIO", 
             "PPBio", 
             "urn:node:NEON", 
             "NEON", 
             "NEON Member Node", 
             "urn:node:TDAR", 
             "TDAR", 
             "The Digital Archaeological Record", 
             "urn:node:ARCTIC", 
             "ARCTIC", 
             "Arctic Data Center", 
             "urn:node:BCODMO", 
             "BCODMO", 
             "Biological and Chemical Oceanography Data Management Office (BCO-DMO) ", 
             "urn:node:GRIIDC", 
             "GRIIDC", 
             "Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC)", 
             "urn:node:R2R", 
             "R2R", 
             "Rolling Deck to Repository (R2R)", 
             "urn:node:EDI", 
             "EDI", 
             "Environmental Data Initiative", 
             "urn:node:UIC", 
             "UIC", 
             "A Member Node for University of Illinois at Chicago.", 
             "urn:node:RW", 
             "RW", 
             "Research Workspace", 
             "urn:node:FEMC", 
             "FEMC", 
             "Forest Ecosystem Monitoring Cooperative Member Node", 
             "urn:node:OTS_NDC", 
             "OTS_NDC", 
             "Organization for Tropical Studies - Neotropical Data Center", 
             "urn:node:PANGAEA", 
             "PANGAEA", 
             "PANGAEA", 
             "urn:node:ESS_DIVE", 
             "ESS_DIVE", 
             "ESS-DIVE: Deep Insight for Earth Science Data", 
             "urn:node:CAS_CERN", 
             "CAS_CERN", 
             "Chinese Ecosystem Research Network (CERN)", 
             "urn:node:FIGSHARE_CARY", 
             "FIGSHARE_CARY", 
             "Cary Institute of Ecosystem Studies (powered by Figshare)", 
             "urn:node:IEDA_EARTHCHEM", 
             "IEDA_EARTHCHEM", 
             "IEDA EARTHCHEM", 
             "urn:node:IEDA_USAP", 
             "IEDA_USAP", 
             "IEDA USAP", 
             "urn:node:IEDA_MGDL", 
             "IEDA_MGDL", 
             "IEDA MGDL", 
             "urn:node:METAGRIL", 
             "METAGRIL", 
             "metaGRIL", 
             "urn:node:ARM", 
             "ARM", 
             "ARM - Atmospheric Radiation Measurement Research Facility", 
             "urn:node:CA_OPC", 
             "CA_OPC", 
             "OPC", 
             "urn:node:TNC_DANGERMOND", 
             "dangermond", 
             "TNC_DANGERMOND", 
             "dangermondpreserve", 
           ], 
           /** 
            * Limit users to a certain number of portals. This limit will be ignored if {@link AppConfig#enableBookkeeperServices} 
            * is set to true, because the limit will be enforced by Bookkeeper Quotas instead. 
            * @type {number} 
            * @default 100 
            * @since 2.14.0 
            */ 
           portalLimit: 100, 
           /** 
            * The default values to use in portals. Default sections are applied when a portal is new. 
            * Default images are used in new freeform pages in the portal builder. 
            * The default colors are used when colors haven't been saved to the portal document. 
            * Colors can be hex codes, rgb codes, or any other form supported by browsers in CSS 
            * @type {object} 
            * @property {object[]} sections The default sections for a new portal. Each object within the section array can have a title property and a label property 
            * @property {string} label The name of the section that will appear in the tab 
            * @property {string} title A longer title for the section that will appear in the section header 
            * @property {string} newPortalActiveSectionLabel When a user start the portal builder for a brand new portal, the label for the section that the builder should start on. Can be set to "Data", "Metrics", "Settings", or one of the labels from the default sections described above. 
            * @property {string[]} sectionImageIdentifiers A list of image pids to use as default images for new markdown sections 
            * @property {string} primaryColor The color that is used most frequently in the portal view 
            * @property {string} secondaryColor The color that is used second-most frequently in the portal view 
            * @property {string} accentColor The color that is rarely used in portal views as an accent color 
            * @property {string} primaryColorTransparent An rgba() version of the primaryColor that is semi-transparent 
            * @property {string} secondaryColorTransparent An rgba() version of the secondaryColor that is semi-transparent 
            * @property {string} accentColorTransparent An rgba() version of the accentColor that is semi-transparent 
            * @example { 
            *   sections: [ 
            *     { label: "About", 
            *       title: "About our project" 
            *     }, 
            *     { label: "Publications", 
            *       title: "Selected publications by our lab group" 
            *     } 
            *   ], 
            *   newPortalActiveSectionLabel: "About", 
            *   sectionImageIdentifiers: ["urn:uuid:d2f31a83-debf-4d78-bef7-6abe20962581", "urn:uuid:6ad37acd-d0ac-4142-9f42-e5f05ff55564", "urn:uuid:0b6be09f-2e6f-4e7b-a83c-2823495f9608", "urn:uuid:5b4e0347-07ed-4580-b039-6c4df57ed801", "urn:uuid:0cf62da9-a099-440e-9c1e-595a55c0d60d"], 
            *   primaryColor: "#16acc0", 
            *   primaryColorTransparent: "rgba(22, 172, 192, .7)", 
            *   secondaryColor: "#EED268", 
            *   secondaryColorTransparent: "rgba(238, 210, 104, .7)", 
            *   accentColor: "#0f5058", 
            *   accentColorTransparent: "rgba(15, 80, 88, .7)" 
            *  } 
            * @since 2.14.0 
            */ 
           portalDefaults: {}, 
           /** 
            * Add an API service URL that retrieves projects data. This is an optional 
            * configuration in case the memberNode have a third-party service that provides 
            * their projects information. 
            * 
            * If the configuration is not set, set the default projects list in the views using it. 
            * 
            * @type {string} 
            * @private 
            * @since 2.20.0 #TODO Update version here. 
            */ 
           projectsApiUrl: undefined, 
           /** 
            * Enable or disable the use of Fluid Earth Viewer visualizations in portals. 
            * This config option is marked as `private` since this is an experimental feature. 
            * @type {boolean} 
            * @private 
            * @since 2.13.4 
            */ 
           enableFeverVisualizations: false, 
           /** 
            * The relative path to the location where the Fluid Earth Viewer (FEVer) is deployed. This should be 
            * deployed at the same origin as MetacatUI, since your web server configuration and many browsers 
            * may block iframes from different origins. 
            * This config option is marked as `private` since this is an experimental feature. 
            * @type {string} 
            * @private 
            * @since 2.13.4 
            */ 
           feverPath: "/fever", 
           /** 
            * The full URL to the location where the Fluid Earth Viewer (FEVer) is deployed. 
            * This URL is constructed during {@link AppModel#initialize} using the {@link AppConfig#baseUrl} 
            * and {@link AppConfig#feverPath}. 
            * This config option is marked as `private` since this is an experimental feature. 
            * @type {string} 
            * @readonly 
            * @private 
            * @since 2.13.4 
            */ 
           feverUrl: "", 
           /** 
            * A list of trusted content sources from which MetacatUI can safely 
            * embed external content. This property is used to define URLs or URL 
            * patterns that are considered secure for embedding content in 
            * iframes, especially when rendering user-generated Markdown content. 
            * 
            * Each source in the list can include wildcards (`*`) to match any 
            * subdomain or path. For example, `"https://*.dataone.org/*"` matches 
            * any subdomain of `dataone.org` over HTTPS, and `"*arcticdata.io*"` 
            * matches any URL containing `arcticdata.io`. 
            * 
            * Set to an empty array or a falsy value to disable all embedded content. 
            * 
            * @type {string[]} 
            * @since 0.0.0 
            */ 
           trustedContentSources: [], 
           /** If true, then archived content is available in the search index. 
            * Set to false if this MetacatUI is using a Metacat version before 2.10.0 
            * @type {boolean} 
            * @default true 
            */ 
           archivedContentIsIndexed: true, 
           /** 
            * The metadata fields to hide when a user is creating a collection definition using 
            * the Query Builder View displayed in the portal builder on the data page, or 
            * anywhere else the EditCollectionView is displayed. Strings listed here should 
            * exactly match the 'name' for each field provided by the DataONE search index API 
            * (i.e. should match the Solr field). 
            * @example ["sem_annotated_by", "mediaType"] 
            * @type {string[]} 
            */ 
           collectionQueryExcludeFields: [ 
             "sem_annotated_by", 
             "sem_annotates", 
             "sem_comment", 
             "pubDate", 
             "namedLocation", 
             "contactOrganization", 
             "investigator", 
             "originator", 
             "originatorText", 
             "serviceInput", 
             "authorGivenName", 
             "authorSurName", 
             "topic", 
             "webUrl", 
             "_root_", 
             "collectionQuery", 
             "geohash_1", 
             "geohash_2", 
             "geohash_3", 
             "geohash_4", 
             "geohash_5", 
             "geohash_6", 
             "geohash_7", 
             "geohash_8", 
             "geohash_9", 
             "label", 
             "LTERSite", 
             "_version_", 
             "checksumAlgorithm", 
             "keywords", 
             "parameterText", 
             "project", 
             "topicText", 
             "dataUrl", 
             "fileID", 
             "isDocumentedBy", 
             "logo", 
             "obsoletes", 
             "origin", 
             "funding", 
             "formatType", 
             "obsoletedBy", 
             "presentationCat", 
             "mediaType", 
             "mediaTypeProperty", 
             "relatedOrganizations", 
             "noBoundingBox", 
             "decade", 
             "hasPart", 
             "sensorText", 
             "sourceText", 
             "termText", 
             "titlestr", 
             "site", 
             "id", 
             "updateDate", 
             "edition", 
             "gcmdKeyword", 
             "isSpatial", 
             "keyConcept", 
             "ogcUrl", 
             "parameter", 
             "sensor", 
             "source", 
             "term", 
             "investigatorText", 
             "sku", 
             "_text_", 
             // Fields that have been made into a special combination field 
             "beginDate", 
             "endDate", 
             "awardNumber", 
             // Provenance fields (keep only "prov_hasSources" and "prov_hasDerivations"), 
             // since they are the only ones indexed on metadata objects 
             "prov_wasGeneratedBy", 
             "prov_generated", 
             "prov_generatedByExecution", 
             "prov_generatedByProgram", 
             "prov_generatedByUser", 
             "prov_instanceOfClass", 
             "prov_used", 
             "prov_usedByExecution", 
             "prov_usedByProgram", 
             "prov_usedByUser", 
             "prov_wasDerivedFrom", 
             "prov_wasExecutedByExecution", 
             "prov_wasExecutedByUser", 
             "prov_wasInformedBy", 
           ], 
           /** 
            * A special field is one that does not exist in the query service index (i.e. 
            * Solr). It can be a combination of fields that are presented to the user as a 
            * single field, but which are added to the model as multiple fields. It can also be 
            * a duplicate of a field that does exist, but presented with a different label (and 
            * even with different {@link operatorOptions operator options} or 
            * {@link valueSelectUImap value input} if needed). 
            * 
            * @typedef {Object} SpecialField 
            * @property {string} name - A unique ID to represent this field. It must not match 
            * the name of any other query fields. 
            * @property {string[]} fields - The list of real query fields that this abstracted 
            * field should represent. The query fields listed must exactly match the names of 
            * the query fields that are retrieved from the query service. 
            * @property {string} label - A user-facing label to display. 
            * @property {string} description - A description for this field. 
            * @property {string} category - The name of the category under which to place this 
            * field. It must match one of the category names for an existing query field set in 
            * {@link QueryField#categoriesMap}. 
            * @property {string[]} [values] - An optional list of filter values. If set, this 
            * is used to determine whether a pre-existing Query Rule should be displayed as one 
            * of these special fields, or as a field from the query API. Setting values means 
            * that the values set on the Query Rule model must exactly match the values set. 
            * 
            * @since 2.15.0 
            */ 
           /** 
            * A list of additional fields which are not retrieved from the query API (i.e. are 
            * not Solr fields), but which should be added to the list of options the user can 
            * select from when building a query in the EditCollectionView. This can be used to 
            * add abstracted fields which are a combination of multiple query fields, or to add 
            * a duplicate field that has a different label. 
            * 
            * @type {SpecialField[]} 
            * 
            * @since 2.15.0 
            */ 
           collectionQuerySpecialFields: [ 
             { 
               name: "documents-special-field", 
               fields: ["documents"], 
               label: "Contains Data Files", 
               description: 
                 "Limit results to packages that include data files. Without" + 
                 " this rule, results may include packages with metadata but no data.", 
               category: "General", 
               values: ["*"], 
             }, 
             { 
               name: "year-data-collection", 
               fields: ["beginDate", "endDate"], 
               label: "Year of Data Collection", 
               description: 
                 "The temporal range of content described by the metadata", 
               category: "Dates", 
             }, 
             { 
               name: "funding-text-award-number", 
               fields: ["fundingText", "awardNumber"], 
               label: "Award Number", 
               description: 
                 "The award number for funding associated with a dataset or the " + 
                 "description of funding source", 
               category: "Awards & funding", 
             }, 
           ], 
           /** 
            * The names of the query fields that use an object identifier as a value. Filter 
            * models that use one of these fields are handled specially when building query 
            * strings - they are OR'ed at the end of queries. They are also given an "OR" 
            * operator and fieldsOperator attribute when parsed. 
            * @type {string[]} 
            * 
            * @since 2.17.0 
            */ 
           queryIdentifierFields: ["id", "identifier", "seriesId", "isPartOf"], 
           /** 
            * The name of the query fields that specify latitude. Filter models that these 
            * fields are handled specially, since they must be a float value and have a 
            * pre-determined minRange and maxRange (-90 to 90). 
            */ 
           queryLatitudeFields: ["northBoundCoord", "southBoundCoord"], 
           /** 
            * The name of the query fields that specify longitude. Filter models that these 
            * fields are handled specially, since they must be a float value and have a 
            * pre-determined minRange and maxRange (-180 to 180). 
            */ 
           queryLongitudeFields: ["eastBoundCoord", "westBoundCoord"], 
           /** 
            * The names of the query fields that may require special treatment in the 
            * UI. For example, upgrade the view for a Filter from a FilterView to 
            * a SemanticFilterView or to block certain UIBuilders in FilterEditorView 
            *  that don't make sense for a semantic field. 
            * 
            * @type {string[]} 
            * @since 2.22.0 
            */ 
           querySemanticFields: ["sem_annotation"], 
           /** 
            * The isPartOf filter is added to all new portals built in the Portal 
            * Builder automatically. It is required for dataset owners to include 
            * their dataset in a specific portal collection. By default, this filter 
            * is hidden. Set to false to make this filter visible. 
            * @type {boolean} 
            */ 
           hideIsPartOfFilter: true, 
           /** 
            * The default {@link FilterGroup}s to use in the data catalog search ({@link CatalogSearchView}). 
            * This is an array of literal objects that will be directly set on the {@link FilterGroup} models. Refer to the {@link FilterGroup#defaults} for 
            * options. 
            * @type {FilterGroup#defaults[]} 
            */ 
           defaultFilterGroups: [ 
             { 
               label: "", 
               filters: [ 
                 { 
                   fields: ["attribute"], 
                   label: "Data attribute", 
                   placeholder: "density, length, etc.", 
                   icon: "table", 
                   description: 
                     "Measurement type, e.g. density, temperature, species", 
                 }, 
                 { 
                   fields: ["sem_annotation"], 
                   label: "Annotation", 
                   placeholder: "Search for class...", 
                   icon: "tag", 
                   description: "Semantic annotations", 
                 }, 
                 { 
                   filterType: "ToggleFilter", 
                   fields: ["documents"], 
                   label: "Contains Data Files", 
                   placeholder: "Only results with data", 
                   trueLabel: "Required", 
                   falseLabel: null, 
                   trueValue: "*", 
                   matchSubstring: false, 
                   icon: "table", 
                   description: 
                     "Checking this option will only return packages that include data files. Leaving this unchecked may return packages that only include metadata.", 
                 }, 
                 { 
                   fields: ["originText"], 
                   label: "Creator", 
                   placeholder: "Name", 
                   icon: "user", 
                   description: 
                     "The name of the creator or originator of a dataset", 
                 }, 
                 { 
                   filterType: "DateFilter", 
                   fields: ["datePublished", "dateUploaded"], 
                   label: "Publish Year", 
                   rangeMin: 1800, 
                   icon: "calendar", 
                   description: 
                     "Only show results that were published within the year range", 
                 }, 
                 { 
                   filterType: "DateFilter", 
                   fields: ["beginDate"], 
                   label: "Year of data coverage", 
                   rangeMin: 1800, 
                   icon: "calendar", 
                   description: 
                     "Only show results with data collected within the year range", 
                 }, 
                 { 
                   fields: [ 
                     "identifier", 
                     "documents", 
                     "resourceMap", 
                     "seriesId", 
                   ], 
                   label: "Identifier", 
                   placeholder: "DOI or ID", 
                   icon: "bullseye", 
                   description: 
                     "Find datasets if you have all or part of its DOI or ID", 
                   operator: "OR", 
                   fieldsOperator: "OR", 
                 }, 
                 { 
                   fields: [ 
                     "kingdom", 
                     "phylum", 
                     "class", 
                     "order", 
                     "family", 
                     "genus", 
                     "species", 
                   ], 
                   label: "Taxon", 
                   placeholder: "Class, family, etc.", 
                   icon: "sitemap", 
                   description: "Find data about any taxonomic rank", 
                   matchSubstring: true, 
                   fieldsOperator: "OR", 
                 }, 
                 { 
                   fields: ["siteText"], 
                   label: "Location", 
                   placeholder: "Geographic region", 
                   icon: "globe", 
                   description: 
                     "The geographic region or study site, as described by the submitter", 
                 }, 
               ], 
             }, 
           ], 
           /** 
            * The document fields to return when conducting a search. This is the list of fields returned by the main catalog search view. 
            * @type {string[]} 
            * @since 2.22.0 
            * @example ["id", "title", "obsoletedBy"] 
            */ 
           defaultSearchFields: [ 
             "id", 
             "seriesId", 
             "title", 
             "origin", 
             "pubDate", 
             "dateUploaded", 
             "abstract", 
             "resourceMap", 
             "beginDate", 
             "endDate", 
             "read_count_i", 
             "geohash_9", 
             "datasource", 
             "isPublic", 
             "project", 
             "documents", 
             "label", 
             "logo", 
             "formatId", 
             "northBoundCoord", 
             "southBoundCoord", 
             "eastBoundCoord", 
             "westBoundCoord", 
           ], 
           /** 
            * Semantic annotation configuration 
            * Include your Bioportal api key to show ontology information for metadata annotations 
            * see: http://bioportal.bioontology.org/account 
            * @type {string} 
            */ 
           bioportalAPIKey: "", 
           /** 
            * The Bioportal REST API URL, which is set dynamically only if a bioportalAPIKey is configured 
            * @type {string} 
            * @deprecated since 2.31.0 
            */ 
           bioportalSearchUrl: "https://data.bioontology.org/search", 
           /** 
            * The Bioportal REST API URL, which is used for looking up ontology information 
            * @see {@link https://data.bioontology.org/documentation} 
            * @type {string} 
            * @default "https://data.bioontology.org" 
            * @since 2.31.0 
            */ 
           bioportalApiBaseUrl: "https://data.bioontology.org", 
           /** 
            * This attribute stores cache of ontology information that is looked up in Bioportal, so that duplicate REST calls don't need to be made. 
            * @type {object} 
            */ 
           bioportalLookupCache: {}, 
           /** 
            * Set this option to true to display the annotation icon in search result rows when a dataset has an annotation 
            * @type {boolean} 
            */ 
           showAnnotationIndicator: false, 
           /** 
            * The list of Bioportal ontologies that are available for searching & 
            * labeling data in the repository. These are the ontologies that will 
            * be displayed in the bioontology browser, and the ontologies that a 
            * user can search within when querying data with the sem_annotation 
            * field. Set a subTree property to limit the ontology to a particular 
            * class. For the full list of possible ontologies, see the Bioportal 
            * website: https://bioportal.bioontology.org/ontologies 
            * @type {Array.<{label: string, ontology: string, subTree: string, icon: string}>} 
            * @since 2.31.0 
            */ 
           bioportalOntologies: [ 
             { 
               label: "The Ecosystem Ontology", 
               ontology: "ECSO", 
               icon: "leaf", 
             }, 
             { 
               label: "Sensitive Data", 
               ontology: "SENSO", 
               icon: "lock", 
             }, 
             { 
               label: "Salmon", 
               ontology: "SALMON", 
               icon: "anchor", 
             }, 
             { 
               label: "Arctic Report Card", 
               ontology: "ARCRC", 
               icon: "asterisk", 
             }, 
             { 
               label: "ADC Academic Disciplines", 
               ontology: "ADCAD", 
               icon: "briefcase", 
             }, 
             { 
               label: "MOSAiC", 
               ontology: "MOSAIC", 
               icon: "barcode", 
             }, 
             { 
               label: "NCBI Organismal Classification", 
               ontology: "NCBITAXON", 
             }, 
             { 
               label: "The State of Alaska's Salmon and People", 
               ontology: "SASAP", 
               icon: "group", 
             }, 
             { 
               label: "Chemical Entities of Biological Interest", 
               ontology: "CHEBI", 
               icon: "beaker", 
             }, 
             { 
               label: "Scientific Workflow Provenance", 
               ontology: "ProvONE", 
               icon: "code", 
             }, 
             { 
               label: "Extensible Observation Ontology", 
               ontology: "OBOE", 
             }, 
           ], 
           /** 
            * A list of unsupported User-Agent regular expressions for browsers that will not work well with MetacatUI. 
            * A warning message will display on the page for anyone using one of these browsers. 
            * @type {RegExp[]} 
            * @since 2.10.0 
            * @default [/(?:\b(MS)?IE\s+|\bTrident\/7\.0;.*\s+rv:)(\d+)/] 
            * @example [/(?:\b(MS)?IE\s+|\bTrident\/7\.0;.*\s+rv:)(\d+)/] 
            */ 
           unsupportedBrowsers: [ 
             /(?:\b(MS)?IE\s+|\bTrident\/7\.0;.*\s+rv:)(\d+)/, 
           ], 
           /** 
            * A list of alternate repositories to use for fetching and saving DataONEObjects. 
            * In the AppConfig, this is an array of {@link NodeModel#members} attributes, in JSON form. 
            * These are the same attributes retireved from the Node Info document, via the d1/mn/v2/node API. 
            * The only required attributes are name, identifier, and baseURL. 
            * @type {object[]} 
            * @example [{ 
            *    name: "Metacat MN", 
            *    identifier: "urn:node:METACAT", 
            *    baseURL: "https://my-metacat.org/metacat/d1/mn" 
            *  }] 
            * 
            * @since 2.14.0 
            */ 
           alternateRepositories: [], 
           /** 
            * The node identifier of the alternate repository that is used for fetching and saving DataONEObjects. 
            * this attribute is dynamically set by MetacatUI to keep track of the currently active alt repo. 
            * To specify a repository that should be active by default, set {@link AppConfig#defaultAlternateRepositoryId} 
            * @type {string} 
            * @example "urn:node:METACAT" 
            * @since 2.14.0 
            * @readonly 
            */ 
           activeAlternateRepositoryId: null, 
           /** 
            * The node identifier of the alternate repository that should be used for fetching and saving DataONEObjects. 
            * Since there can be multiple alternate repositories configured, this attribute can be used to specify which 
            * one is actively in use. 
            * @type {string} 
            * @example "urn:node:METACAT" 
            * @since 2.14.0 
            */ 
           defaultAlternateRepositoryId: null, 
           /** 
            * Enable or disable the DataONE Bookkeeper services. If enabled, Portal Views will use the DataONE Plus 
            * paid features for active subscriptions. If disabled, the Portal Views will assume 
            * all portals are in inactive/free, and will only render free features. 
            * @type {boolean} 
            * @since 2.14.0 
            */ 
           enableBookkeeperServices: false, 
           /** 
            * The base URL for the DataONE Bookkeeper services, which manage the DataONE membership plans, such as 
            * Hosted Repositories and Plus. 
            * See https://github.com/DataONEorg/bookkeeper for more info on this service. 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperBaseUrl: "https://api.test.dataone.org:30443/bookkeeper/v1", 
           /** 
            * The URL for the DataONE Bookkeeper Quota API, e.g. listQuotas(), getQuota(), createQuota(), etc. 
            * This full URL is contructed using {@link AppModel#bookkeeperBaseUrl} when the AppModel is initialized. 
            * @readonly 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperQuotasUrl: null, 
           /** 
            * The URL for the DataONE Bookkeeper Usages API, e.g. listUsages(), getUsage(), createUsage(), etc. 
            * This full URL is contructed using {@link AppModel#bookkeeperBaseUrl} when the AppModel is initialized. 
            * @readonly 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperUsagesUrl: null, 
           /** 
            * The URL for the DataONE Bookkeeper Subscriptions API, e.g. listSubscriptions(), fetchSubscription(), createSubscription(), etc. 
            * This full URL is contructed using {@link AppModel#bookkeeperBaseUrl} when the AppModel is initialized. 
            * @readonly 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperSubscriptionsUrl: null, 
           /** 
            * The URL for the DataONE Bookkeeper Customers API, e.g. listCustomers(), getCustomer(), createCustomer(), etc. 
            * This full URL is contructed using {@link AppModel#bookkeeperBaseUrl} when the AppModel is initialized. 
            * @readonly 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperCustomersUrl: null, 
           /** 
            * The name of the DataONE Plus membership plan, which is used in messaging throughout the UI. 
            * This is only used if the enableBookkeeperServices setting is set to true. 
            * @type {string} 
            * @default "DataONE Plus" 
            */ 
           dataonePlusName: "DataONE Plus", 
           //These two DataONE Plus Preview attributes are for a special DataONE Plus tag of MetacatUI 
           // and won't be released in an offical MetacatUI version, since they will be replaced by bookkeeper 
           dataonePlusPreviewMode: false, 
           dataonePlusPreviewPortals: [], 
           /* 
            * List of Repositories that are DataONE Hosted Repos. 
            * DataONE Hosted Repo features are displayed only for these members. 
            * @type {string[]} 
            * @readonly 
            * @since 2.13.0 
            * ------------------------------------ 
            * This config will not be displayed in the JSDoc documentation since it is 
            * temporary and only useful for internal DataONE purposes. This functionality will be replaced 
            * with the DataONE Bookkeeper service, eventually. 
            */ 
           dataoneHostedRepos: [ 
             "urn:node:KNB", 
             "urn:node:ARCTIC", 
             "urn:node:CA_OPC", 
             "urn:node:ESS_DIVE", 
             "urn:node:CERP_SFWMD", 
           ], 
           /** 
            * The length of random portal label generated during preview/trial mode of DataONE Plus 
            * @readonly 
            * @type {number} 
            * @default 7 
            * @since 2.14.0 
            */ 
           randomLabelNumericLength: 7, 
           /** 
            * If enabled (by setting to true), Cesium maps will be used in the interface. 
            * If a {@link AppConfig#cesiumToken} is not provided, Cesium features will be disabled. 
            * @type {boolean} 
            * @default false 
            * @since 2.18.0 
            */ 
           enableCesium: true, 
           /** 
            * Your Access Token for the Cesium API, which can be retrieved from 
            * {@link https://cesium.com/ion/tokens}. 
            * @type {string} 
            * @since 2.18.0 
            * @example eyJhbGciOiJIUzI1R5cCI6IkpXVCJ9.eyJqdGkiOiJmYzUwYjI0ZC0yN2Y4LTRiZjItOdCI6MTYwODIyNDg5MH0.KwCI2-4cHjFYXrR6-mUrwkhh1UdNARK7NxFLpFftjeg 
            */ 
           cesiumToken: "", 
           /** 
            * Your Access Token for the Bing Maps Imagery API, which can be retrieved from 
            * https://www.bingmapsportal.com/. Required if any Cesium layers use imagery 
            * directly from Bing. 
            * @type {string} 
            * @since 2.18.0 
            * @example AtZjkdlajkl_jklcCAO_1JYafsvAjU1nkd9jdD6CDnHyamndlasdt5CB7xs 
            */ 
           bingMapsKey: "", 
           /** 
            * Enable or disable showing the MeasurementTypeView in the Editor's 
            * attribute modal dialog. The {@link AppModel#bioportalAPIKey} must be set to a valid Bioportal 
            * API key for the ontology tree widget to work. 
            * @type {boolean} 
            * @since 2.17.0 
            * @default false 
            */ 
           enableMeasurementTypeView: false, 
           /** 
            * As of 2.22.0, the {@link DataCatalogView} is being soft-deprecated and replaced with the new {@link CatalogSearchView}. 
            * To give MetacatUI operators time to transition to the new {@link CatalogSearchView}, this configuration option can be 
            * enabled (by setting to `true`) and will tell MetacatUI to use the legacy {@link DataCatalogView}. It is highly suggested 
            * that MetacatUI operators switch to supporting the new {@link CatalogSearchView} as soon as possible as the legacy {@link DataCatalogView} 
            * will be fully deprecated and removed in the future. 
            * @since 2.22.0 
            * @type {boolean} 
            * @default false 
            */ 
           useDeprecatedDataCatalogView: true, 
           /** 
            * The following configuration options are deprecated or experimental and should only be changed by advanced users 
            */ 
           /** 
            * The URL for the DataONE log service. This service has been replaced with the DataONE metrics service 
            * (which has not been publicly released), so this configuration will be deprecated in the future. 
            * This URL is constructed dynamically upon AppModel intialization. 
            * @type {string} 
            * @deprecated 
            */ 
           d1LogServiceUrl: null, 
           /** 
            * This configuration option is deprecated. This is only used by the {@link DataCatalogView} and {@link DataCatalogViewWithFilters}, 
            * both of which have been replaced by the {@link CatalogSearchView}. The search mode is now controlled directly on the {@link CatalogSearchView} 
            * instead of controlled at the global level here. 
            * @deprecated 
            */ 
           searchMode: MetacatUI.mapKey ? "map" : "list", 
           /** 
            * This Bioportal REST API URL is used by the experimental and unsupported AnnotatorView to get multiple ontology class info at once. 
            * @deprecated 
            */ 
           //bioportalBatchUrl: "https://data.bioontology.org/batch" 
           /** 
            * The packageFormat is the identifier for the version of bagit used when downloading data packages. The format should 
            * not contain any additional characters after, for example a backslash. 
            * For hierarchical dowloads, use application%2Fbagit-1.0 
            * @type {string} 
            * @default "application%2Fbagit-1.0" 
            * @example application%2Fbagit-097 
            */ 
           packageFormat: "application%2Fbagit-1.0", 
         }, 
         MetacatUI.AppConfig, 
       ), 
       defaultView: "data", 
       initialize: function () { 
         //If no base URL is specified, then user the DataONE CN base URL 
         if (!this.get("baseUrl")) { 
           this.set("baseUrl", this.get("d1CNBaseUrl")); 
           this.set("d1Service", this.get("d1CNService")); 
         } 
         //Set the DataONE MN API URLs 
         this.set(this.getDataONEMNAPIs()); 
         //Determine if this instance of MetacatUI is pointing to a CN, rather than a MN 
         this.set("isCN", this.get("d1Service").indexOf("cn/v2") > 0); 
         this.set( 
           "metacatServiceUrl", 
           this.get("baseUrl") + this.get("context") + "/metacat", 
         ); 
         // Metadata quality report services 
         this.set("mdqSuitesServiceUrl", this.get("mdqBaseUrl") + "/suites/"); 
         this.set("mdqRunsServiceUrl", this.get("mdqBaseUrl") + "/runs/"); 
         //DataONE CN API 
         if (this.get("d1CNBaseUrl")) { 
           //Add a forward slash to the end of the base URL if there isn't one 
           var d1CNBaseUrl = this.get("d1CNBaseUrl"); 
           if (d1CNBaseUrl.charAt(d1CNBaseUrl.length - 1) == "/") { 
             d1CNBaseUrl = d1CNBaseUrl.substring(0, d1CNBaseUrl.length - 1); 
             this.set("d1CNBaseUrl", d1CNBaseUrl); 
           } 
           //Account services 
           if (typeof this.get("accountsUrl") != "undefined") { 
             this.set( 
               "accountsUrl", 
               d1CNBaseUrl + this.get("d1CNService") + "/accounts/", 
             ); 
             if (typeof this.get("pendingMapsUrl") != "undefined") 
               this.set( 
                 "pendingMapsUrl", 
                 this.get("accountsUrl") + "pendingmap/", 
               ); 
             if (typeof this.get("accountsMapsUrl") != "undefined") 
               this.set("accountsMapsUrl", this.get("accountsUrl") + "map/"); 
             if (typeof this.get("groupsUrl") != "undefined") 
               this.set( 
                 "groupsUrl", 
                 d1CNBaseUrl + this.get("d1CNService") + "/groups/", 
               ); 
           } 
           if (typeof this.get("d1LogServiceUrl") != "undefined") 
             this.set( 
               "d1LogServiceUrl", 
               d1CNBaseUrl + this.get("d1CNService") + "/query/logsolr/?", 
             ); 
           this.set( 
             "nodeServiceUrl", 
             d1CNBaseUrl + this.get("d1CNService") + "/node/", 
           ); 
           this.set( 
             "resolveServiceUrl", 
             d1CNBaseUrl + this.get("d1CNService") + "/resolve/", 
           ); 
           this.set( 
             "reserveServiceUrl", 
             d1CNBaseUrl + this.get("d1CNService") + "/reserve", 
           ); 
           //Token URLs 
           if (typeof this.get("tokenUrl") != "undefined") { 
             this.set("tokenUrl", d1CNBaseUrl + "/portal/" + "token"); 
             this.set( 
               "checkTokenUrl", 
               d1CNBaseUrl + this.get("d1CNService") + "/diag/subject", 
             ); 
             //The sign-in and out URLs - allow these to be turned off by removing them in the defaults above (hence the check for undefined) 
             if ( 
               this.get("enableCILogonSignIn") || 
               typeof this.get("signInUrl") !== "undefined" 
             ) 
               this.set( 
                 "signInUrl", 
                 d1CNBaseUrl + "/portal/" + "startRequest?target=", 
               ); 
             if (typeof this.get("signInUrlOrcid") !== "undefined") 
               this.set( 
                 "signInUrlOrcid", 
                 d1CNBaseUrl + "/portal/" + "oauth?action=start&target=", 
               ); 
             if (this.get("enableLdapSignIn") && !this.get("signInUrlLdap")) { 
               this.set( 
                 "signInUrlLdap", 
                 d1CNBaseUrl + "/portal/" + "ldap?target=", 
               ); 
             } 
             if (this.get("orcidBaseUrl")) 
               this.set( 
                 "orcidSearchUrl", 
                 this.get("orcidBaseUrl") + "/v1.1/search/orcid-bio?q=", 
               ); 
             if ( 
               typeof this.get("signInUrl") !== "undefined" || 
               typeof this.get("signInUrlOrcid") !== "undefined" 
             ) 
               this.set("signOutUrl", d1CNBaseUrl + "/portal/" + "logout"); 
           } 
           // Object format list 
           if (typeof this.get("formatsUrl") != "undefined") { 
             this.set( 
               "formatsServiceUrl", 
               d1CNBaseUrl + this.get("d1CNService") + this.get("formatsUrl"), 
             ); 
           } 
           //ORCID search 
           if (typeof this.get("orcidBaseUrl") != "undefined") 
             this.set( 
               "orcidSearchUrl", 
               this.get("orcidBaseUrl") + "/search/orcid-bio?q=", 
             ); 
         } 
         // Metadata quality report services 
         this.set("mdqSuitesServiceUrl", this.get("mdqBaseUrl") + "/suites/"); 
         this.set("mdqRunsServiceUrl", this.get("mdqBaseUrl") + "/runs/"); 
         this.set("mdqScoresServiceUrl", this.get("mdqBaseUrl") + "/scores/"); 
         //Construct the DataONE Bookkeeper service API URLs 
         if (this.get("enableBookkeeperServices")) { 
           this.set( 
             "bookkeeperSubscriptionsUrl", 
             this.get("bookkeeperBaseUrl") + "/subscriptions", 
           ); 
           this.set( 
             "bookkeeperCustomersUrl", 
             this.get("bookkeeperBaseUrl") + "/customers", 
           ); 
           this.set( 
             "bookkeeperQuotasUrl", 
             this.get("bookkeeperBaseUrl") + "/quotas", 
           ); 
           this.set( 
             "bookkeeperUsagesUrl", 
             this.get("bookkeeperBaseUrl") + "/usages", 
           ); 
         } 
         //Construct the Fluid Earth Fever URL 
         if ( 
           this.get("enableFeverVisualizations") && 
           this.get("feverPath") && 
           !this.get("feverUrl") 
         ) { 
           this.set("feverUrl", this.get("baseUrl") + this.get("feverPath")); 
         } 
         this.on("change:pid", this.changePid); 
         //For backward-compatbility, set the theme and themeTitle variables using the 
         // attributes set on this model, which are taken from the AppConfig 
         MetacatUI.theme = this.get("theme"); 
         MetacatUI.themeTitle = this.get("repositoryName"); 
         //Set up the alternative repositories 
         _.map( 
           this.get("alternateRepositories"), 
           function (repo) { 
             repo = _.extend(repo, this.getDataONEMNAPIs(repo.baseURL)); 
           }, 
           this, 
         ); 
       }, 
       /** 
        * Constructs the DataONE API URLs for the given baseUrl 
        * @param {string} [baseUrl] - The baseUrl to use in the URLs. If not specified, it uses the AppModel attributes. 
        * @returns {object} 
        */ 
       getDataONEMNAPIs: function (baseUrl) { 
         var urls = {}; 
         //Get the baseUrl from this model if one isn't given 
         if (typeof baseUrl == "undefined") { 
           var baseUrl = this.get("baseUrl"); 
         } 
         //Remove a forward slash to the end of the base URL if there is one 
         if (baseUrl.charAt(baseUrl.length - 1) == "/") { 
           baseUrl = baseUrl.substring(0, baseUrl.length - 1); 
         } 
         //If the baseUrl doesn't have the full DataONE MN API structure, then construct it 
         if (baseUrl.indexOf("/d1/mn") == -1) { 
           //Get the Dataone API fragment, which is either "/d1/mn/v2" or "/cn/v2" 
           var d1Service = this.get("d1Service"); 
           if (typeof d1Service != "string" || !d1Service.length) { 
             d1Service = "/d1/mn/v2"; 
           } else if (d1Service.charAt(0) != "/") { 
             d1Service = "/" + d1Service; 
           } 
           //Get the Metacat context, and make sure it starts with a forward slash 
           var context = this.get("context"); 
           if (typeof context != "string" || !context.length) { 
             context = ""; 
           } else if (context.charAt(0) != "/") { 
             context = "/" + context; 
           } 
           //Construct the base URL 
           baseUrl = baseUrl + context + d1Service; 
         } 
         //Otherwise, just make sure the API version is appended to the base URL 
         else if (baseUrl.substring(baseUrl.length - 3) != "/v2") { 
           d1Service = "/d1/mn"; 
           baseUrl = baseUrl + "/v2"; 
         } 
         // these are pretty standard, but can be customized if needed 
         urls.viewServiceUrl = baseUrl + "/views/metacatui/"; 
         urls.publishServiceUrl = baseUrl + "/publish/"; 
         urls.authServiceUrl = baseUrl + "/isAuthorized/"; 
         urls.queryServiceUrl = baseUrl + "/query/solr/?"; 
         urls.metaServiceUrl = baseUrl + "/meta/"; 
         urls.packageServiceUrl = 
           baseUrl + "/packages/" + this.get("packageFormat") + "/"; 
         if (d1Service.indexOf("mn") > 0) { 
           urls.objectServiceUrl = baseUrl + "/object/"; 
         } 
         if (this.get("enableMonitorStatus")) { 
           urls.monitorStatusUrl = baseUrl + "/monitor/status"; 
         } 
         return urls; 
       }, 
       changePid: function (model, name) { 
         this.set("previousPid", model.previous("pid")); 
       }, 
       /** 
        * Gets the currently-active alternative repository that is configured in this AppModel. 
        * @returns {object} 
        */ 
       getActiveAltRepo: function () { 
         //Get the alternative repositories to use for uploading objects 
         var altRepos = this.get("alternateRepositories"), 
           activeAltRepo; 
         //Get the active alt repo 
         if (altRepos.length && this.get("activeAlternateRepositoryId")) { 
           activeAltRepo = _.findWhere(altRepos, { 
             identifier: this.get("activeAlternateRepositoryId"), 
           }); 
           return activeAltRepo || null; 
         } else { 
           return null; 
         } 
       }, 
       /** 
        * Gets the default alternate repository and sets it as the active alternate repository. 
        * If a default alt repo ({@link AppConfig#defaultAlternateRepositoryId}) isn't configured, 
        * the first alt repo in the {@link AppConfig#alternateRepositories} list is used. 
        * @fires AppModel#change:activeAlternateRepositoryId 
        */ 
       setActiveAltRepo: function () { 
         //Get the alternative repositories to use for uploading objects 
         var altRepos = this.get("alternateRepositories"), 
           defaultAltRepo; 
         if (!altRepos.length) { 
           return; 
         } 
         //If a default alt repo is configured, set that as the active alt repo 
         if (this.get("defaultAlternateRepositoryId")) { 
           defaultAltRepo = _.findWhere(altRepos, { 
             identifier: this.get("defaultAlternateRepositoryId"), 
           }); 
           if (defaultAltRepo) { 
             this.set("activeAlternateRepositoryId", defaultAltRepo.identifier); 
           } 
         } 
         //Otherwise, use the first alt repo in the list 
         if (!defaultAltRepo) { 
           this.set("activeAlternateRepositoryId", altRepos[0].identifier); 
         } 
       }, 
       /** 
        * Get the config options for the Taxa Quick Add feature. IF a SID is 
        * configured, this will fetch the taxa from the repository. Otherwise, 
        * it will return the object set on the quickAddTaxa attribute. 
        */ 
       getQuickAddTaxa: function () { 
         var taxa = this.get("quickAddTaxa"); 
         if (typeof taxa === "object") return taxa; 
         if (typeof taxa !== "string") return null; 
         // Otherwise, fetch the DataONE Object 
         fetch(this.get("objectServiceUrl") + encodeURIComponent(taxa), { 
           method: "get", 
           headers: { 
             "Content-Type": "application/json", 
           }, 
         }) 
           .then((response) => response.json()) 
           .then((data) => { 
             this.set("quickAddTaxa", data); 
           }) 
           .catch((error) => { 
             console.log("Error fetching taxa", error); 
           }); 
       }, 
       /** 
        * Given a string of CSS and an associated unique ID, check whether that CSS file 
        * was already added to the document head, and add it if not. Prevents adding the 
        * CSS file multiple times if the view is loaded more than once. The first time each 
        * CSS path is added, we need to save a record of the event. It doesn't work to just 
        * search the document head for the style element to determine if the CSS has 
        * already been added, because views may be initialized too quickly, before the 
        * previous instance has had a chance to add the stylesheet element. 
        * @param {string} css A string containing CSS styles 
        * @param {string} id A unique ID for the CSS styles which has not been used 
        * anywhere else in the app. 
        */ 
       addCSS: function (css, id) { 
         try { 
           if (!MetacatUI.loadedCSS) { 
             MetacatUI.loadedCSS = []; 
           } 
           if (!MetacatUI.loadedCSS.includes(id)) { 
             MetacatUI.loadedCSS.push(id); 
             var style = document.createElement("style"); 
             style.id = id; 
             style.appendChild(document.createTextNode(css)); 
             document.querySelector("head").appendChild(style); 
           } 
         } catch (error) { 
           console.log( 
             "There was an error adding CSS to the app" + 
               ". Error details: " + 
               error, 
           ); 
         } 
       }, 
       /** 
        * Remove CSS from the app that was added using the {@link AppModel#addCSS} 
        * function. 
        * @param {string} id A unique ID for the CSS styles which has not been used 
        * anywhere else in the app. The same ID used to add the CSS with 
        * {@link AppModel#addCSS} 
        */ 
       removeCSS: function (id) { 
         try { 
           if (!MetacatUI.loadedCSS) { 
             MetacatUI.loadedCSS = []; 
           } 
           if (MetacatUI.loadedCSS.includes(id)) { 
             MetacatUI.loadedCSS = MetacatUI.loadedCSS.filter((e) => e !== id); 
             var sheet = document.querySelector("head #" + id); 
             if (sheet) { 
               sheet.remove(); 
             } 
           } 
         } catch (error) { 
           console.log( 
             "There was an error removing CSS from the app" + 
               ". Error details: " + 
               error, 
           ); 
         } 
       }, 
       /** 
        * Reset the web document's title to the default 
        * @since 2.25.0 
        */ 
       resetTitle: function () { 
         this.set("title", this.defaults.title); 
       }, 
       /** 
        * Reset the web document's description to the default 
        * @since 2.25.0 
        */ 
       resetDescription: function () { 
         this.set("description", this.defaults.description); 
       }, 
       /** 
        * Remove all DOI prefixes from a DOI string, including https, http, doi.org, 
        * dx.doi.org, and doi:. 
        * @param {string} str - The DOI string to remove prefixes from. 
        * @returns {string} - The DOI string without any prefixes. 
        * @since 2.26.0 
        */ 
       removeAllDOIPrefixes: function (str) { 
         if (!str) return ""; 
         // Remove https and http prefixes 
         str = str.replace(/^(https?:\/\/)?/, ""); 
         // Remove domain prefixes, like doi.org and dx.doi.org 
         str = str.replace(/^(doi\.org\/|dx\.doi\.org\/)/, ""); 
         // Remove doi: prefix 
         str = str.replace(/^doi:/, ""); 
         return str; 
       }, 
       /** 
        * Check if a string is a valid DOI. 
        * @param {string} doi - The string to check. 
        * @returns {boolean} - True if the string is a valid DOI, false otherwise. 
        * @since 2.26.0 
        */ 
       isDOI: function (str) { 
         try { 
           if (!str) return false; 
           str = this.removeAllDOIPrefixes(str); 
           const doiRegex = /^10\.[0-9]{4,}(?:[.][0-9]+)*\/[^\s"<>]+$/; 
           return doiRegex.test(str); 
         } catch (e) { 
           console.error("Error checking if string is a DOI", e); 
           return false; 
         } 
       }, 
       /** 
        * Get the URL for the online location of the object being cited when it 
        * has a DOI. If the DOI is not passed to the function, or if the string 
        * is not a DOI, then an empty string is returned. 
        * @param {string} str - The DOI string, handles both DOI and DOI URL, 
        * with or without prefixes 
        * @returns {string} - The DOI URL 
        * @since 2.23.0 
        */ 
       DOItoURL: function (str) { 
         if (!str) return ""; 
         str = this.removeAllDOIPrefixes(str); 
         if (!this.isDOI(str)) return ""; 
         return "https://doi.org/" + str; 
       }, 
       /** 
        * Get the DOI from a DOI URL. The URL can be http or https, can include the 
        * "doi:" prefix or not, and can use "dx.doi.org" or "doi.org" as the 
        * domain. If a string is not passed to the function, or if the string is 
        * not for a DOI URL, then an empty string is returned. 
        * @param {string} url - The DOI URL 
        * @returns {string} - The DOI string, including the "doi:" prefix 
        * @since 2.26.0 
        */ 
       URLtoDOI: function (url) { 
         if (!url) return ""; 
         const doiURLRegex = 
           /https?:\/\/(dx\.)?doi\.org\/(doi:)?(10\.[0-9]{4,}(?:[.][0-9]+)*\/[^\s"<>]+)/; 
         const doiURLMatch = url.match(doiURLRegex); 
         if (doiURLMatch) return "doi:" + doiURLMatch[3]; 
         return ""; 
       }, 
     }, 
   ); 
   return AppModel; 
 }); 
   var AppModel = Backbone.Model.extend( 
     /** @lends AppModel.prototype */ { 
       defaults: _.extend( 
         /** @lends AppConfig.prototype */ { 
           //TODO: These attributes are stored in the AppModel, but shouldn't be set in the AppConfig, 
           //so we need to add docs for them in a separate place 
           headerType: "default", 
           searchHistory: [], 
           page: 0, 
           previousPid: null, 
           lastPid: null, 
           anchorId: null, 
           profileUsername: null, 
           /** 
            * The theme name to use 
            * @type {string} 
            * @default "default" 
            */ 
           theme: "default", 
           /** 
            * The default page title. 
            * @type {string} 
            */ 
           title: MetacatUI.themeTitle || "Metacat Data Catalog", 
           /** 
            * The default page description. 
            * @type {string} 
            * @since 2.25.0 
            */ 
           description: 
             "A research data catalog and repository that provides access to scientific data, metadata, and more.", 
           /** 
            * The name of this repository. This is used throughout the interface in different 
            * messages and page content. 
            * @type {string} 
            * @default "Metacat Data Catalog" 
            * @since 2.11.2 
            */ 
           repositoryName: MetacatUI.themeTitle || "Metacat Data Catalog", 
           /** 
            * The e-mail address that people should contact when they need help with 
            * submitting datasets, resolving error messages, etc. 
            * @type {string} 
            * @default [email protected] 
            */ 
           emailContact: "[email protected]", 
           /** 
            * Your Google Maps API key, which is used to display interactive maps on the search 
            * views and static maps on dataset landing pages. 
            * If a Google Maps API key is not specified, the maps will be omitted from the interface. 
            * The Google Maps API key also controls the showViewfinder feature on a Map 
            * and should have the Geocoding API and Places API enabled in order to 
            * function properly. 
            * Sign up for Google Maps services at https://console.developers.google.com/ 
            * @type {string} 
            * @example "AIzaSyCYyHnbIokUEpMx5M61ButwgNGX8fIHUs" 
            * @default null 
            */ 
           mapKey: null, 
           /** 
            * Your Google Analytics API key, which is used to send page view and custom events 
            * to the Google Analytics service. 
            * This service is optional in MetacatUI. 
            * Sign up for Google Analytics services at https://analytics.google.com/analytics/web/ 
            * @type {string} 
            * @example "UA-74622301-1" 
            * @default null 
            */ 
           googleAnalyticsKey: null, 
           /** 
            * The map to use in the catalog search (both DataCatalogViewWithFilters and 
            * DataCatalog). This can be set to either "google" (the default), or "cesium". To 
            * use Google maps, the {@link AppConfig#googleAnalyticsKey} must be set. To use 
            * Cesium maps, the {@link AppConfig#enableCesium} property must be set to true, and 
            * the {@link AppConfig#cesiumToken} must be set. DEPRECATION NOTE: This configuration 
            * is deprecated along with the {@link DataCatalogView} and {@link DataCatalogViewWithFilters} 
            * views and Google Maps. The {@link CatalogSearchView} will replace these as the primary search view and will only 
            * support Cesium, not Google Maps. 
            * @type {string} 
            * @example "cesium" 
            * @default "google" 
            * @deprecated 
            */ 
           dataCatalogMap: "google", 
           /** 
            * Set this option to true to display the filtering button for data package table 
            * @type {boolean} 
            * @since 2.28.0 
            */ 
           dataPackageFiltering: false, 
           /** 
            * Set this option to true to display the sorting button for data package table 
            * @type {boolean} 
            * @since 2.28.0 
            */ 
           dataPackageSorting: false, 
           /** 
            * The default options for the Cesium map used in the {@link CatalogSearchView} for searching the data 
            * catalog. Add custom layers, a default home position (for example, zoom into your area of research), 
            * and enable/disable map widgets. See {@link MapConfig} for the full suite of options. Keep the `CesiumGeohash` 
            * layer here in order to show the search results in the map as geohash boxes. Use any satellite imagery 
            * layer of your choice, such as a self-hosted imagery layer or hosted on Cesium Ion. 
            * @type {MapConfig} 
            * @since 2.22.0 
            */ 
           catalogSearchMapOptions: { 
             showLayerList: false, 
             clickFeatureAction: "zoom", 
           }, 
           /** 
            * The node identifier for this repository. This is set dynamically by retrieving the 
            * DataONE Coordinating Node document and finding this repository in the Node list. 
            * (see https://cn.dataone.org/cn/v2/node). 
            * If this repository is not registered with DataONE, then set this node id by copying 
            * the node id from your node info at https://your-repo-site.com/metacat/d1/mn/v2/node 
            * @type {string} 
            * @example "urn:node:METACAT" 
            * @default null 
            */ 
           nodeId: null, 
           /** 
            * If true, this MetacatUI instance is pointing to a CN rather than a MN. 
            * This attribute is set during the AppModel initialization, based on the other configured attributes. 
            * @readonly 
            * @type {boolean} 
            */ 
           isCN: false, 
           /** 
            * Enable or disable the user profiles. If enabled, users will see a "My profile" link 
            * and can view their datasets, metrics on those datasets, their groups, etc. 
            * @type {boolean} 
            * @default true 
            */ 
           enableUserProfiles: true, 
           /** 
            * Enable or disable the user settings view. If enabled, users will see a list of 
            * changeable settings - name, email, groups, portals, etc. 
            * @type {boolean} 
            * @default true 
            */ 
           enableUserProfileSettings: true, 
           /** 
            * The maximum dataset .zip file size, in bytes, that a user can download. 
            * Datasets whose total size are larger than this maximum will show a disabled 
            * "Download All" button, and users will be directed to download files individually. 
            * This is useful for preventing the Metacat package service from getting overloaded. 
            * @type {number} 
            * @default 100000000000 
            */ 
           maxDownloadSize: 100000000000, 
           /** 
            * Add a message that will display during a certain time period. This is useful when 
            * displaying a warning message about planned outages/maintenance, or alert users to other 
            * important information. 
            * If this attribute is left blank, no message will display, even if there is a start and end time specified. 
            * If there are is no start or end time specified, this message will display until you remove it here. 
            * 
            * @type {string} 
            * @default null 
            * @since 2.11.4 
            */ 
           temporaryMessage: null, 
           /** 
            * If there is a temporaryMessage specified, it will display after this start time. 
            * Remember that Dates are in GMT time! 
            * @type {Date} 
            * @example new Date(1594818000000) 
            * @default null 
            * @since 2.11.4 
            */ 
           temporaryMessageStartTime: null, 
           /** 
            * If there is a temporaryMessage specified, it will display before this end time. 
            * Remember that Dates are in GMT time! 
            * @type {Date} 
            * @example new Date(1594818000000) 
            * @default null 
            * @since 2.11.4 
            */ 
           temporaryMessageEndTime: null, 
           /** 
            * Additional HTML classes to give the temporary message element. Use these to style the message. 
            * @type {string} 
            * @default "warning" 
            * @since 2.11.4 
            */ 
           temporaryMessageClasses: "warning", 
           /** 
            * A jQuery selector for the element that the temporary message will be displayed in. 
            * @type {string} 
            * @default "#Navbar" 
            * @since 2.11.4 
            */ 
           temporaryMessageContainer: "#Navbar", 
           /** 
            * If true, the temporary message will include a "Need help? Email us at..." email link 
            * at the end of the message. The email address will be set to {@link AppConfig#emailContact} 
            * @type {boolean} 
            * @default true 
            * @since 2.13.3 
            */ 
           temporaryMessageIncludeEmail: true, 
           /** 
            * Show or hide the source repository logo in the search result rows 
            * @type {boolean} 
            * @default false 
            */ 
           displayRepoLogosInSearchResults: false, 
           /** 
            * Show or hide the Download button in the search result rows 
            * @type {boolean} 
            * @default false 
            */ 
           displayDownloadButtonInSearchResults: false, 
           /** 
            * If set to false, some parts of the app will send POST HTTP requests to the 
            * Solr search index via the `/query/solr` DataONE API. 
            * Set this configuration to true if using Metacat 2.10.2 or earlier 
            * @type {boolean} 
            */ 
           disableQueryPOSTs: false, 
           /** If set to true, some parts of the app will use the Solr Join Query syntax 
            * when sending queries to the `/query/solr` DataONE API. 
            * If this is not enabled, then some parts of the UI may not work if a query has too 
            * many characters or has too many boolean clauses. This impacts the "Metrics" tabs of portals/collections, 
            * at least. 
            * The Solr Join Query Parser as added in Solr 4.0.0-ALPHA (I believe!): https://archive.apache.org/dist/lucene/solr/4.0.0/changes/Changes.html#4.0.0-alpha.new_features 
            * About the Solr Join Query Parser: https://lucene.apache.org/solr/guide/8_5/other-parsers.html#join-query-parser 
            * WARNING: At some point, MetacatUI will deprecate this configuration and will REQUIRE Solr Join Queries 
            * @type {boolean} 
            */ 
           enableSolrJoins: false, 
           /** 
            * The search filters that will be displayed in the search views. Add or remove 
            * filter names from this array to show or hide them. See "example" to see all the 
            * filter options. 
            * @type {string[]} 
            * @default ["all", "attribute", "documents", "creator", "dataYear", "pubYear", "id", "taxon", "spatial", "isPrivate"] 
            * @example ["all", "annotation", "attribute", "dataSource", "documents", "creator", "dataYear", "pubYear", "id", "taxon", "spatial"] 
            */ 
           defaultSearchFilters: [ 
             "all", 
             "attribute", 
             "documents", 
             "creator", 
             "dataYear", 
             "pubYear", 
             "id", 
             "taxon", 
             "spatial", 
             "isPrivate", 
             "projectText", 
           ], 
           /** 
            * Enable to show Whole Tale features 
            * @type {Boolean} 
            * @default false 
            */ 
           showWholeTaleFeatures: false, 
           /** 
            * The WholeTale environments that are exposed on the dataset landing pages 
            * @type {string[]} 
            * @default ["RStudio", "Jupyter Notebook"] 
            */ 
           taleEnvironments: ["RStudio", "Jupyter Notebook"], 
           /** 
            * The Whole Tale endpoint 
            * @type {string} 
            * @default 'https://girder.wholetale.org/api/v1/integration/dataone' 
            */ 
           dashboardUrl: 
             "https://girder.wholetale.org/api/v1/integration/dataone", 
           /** 
        * A list of all the required fields in the EML Editor. 
        * Any field set to `true` will prevent the user from saving the Editor until a value has been given 
        * Any EML field not supported in this list cannot be required. 
        * @type {object} 
        * @property {boolean} abstract - Default: true 
        * @property {boolean} alternateIdentifier - Default: false 
        * @property {boolean} dataSensitivity Default: false 
        * @property {boolean} funding - Default: false 
        * @property {boolean} generalTaxonomicCoverage - Default: false 
        * @property {boolean} taxonCoverage - Default: false. If true, at least one taxonomic rank and value will be required. 
        * @property {boolean} geoCoverage - Default: false. If true, at least one geographic coverage description and point/bounding box will be required. 
        * @property {boolean} intellectualRights - Default: true 
        * @property {boolean} keywordSets - Default: false. If true, at least one keyword will be required. 
        * @property {boolean} methods - Default: false. If true, at least one method step will be required. 
        * @property {boolean} samplingDescription - Default: false 
        * @property {boolean} studyExtentDescription - Default: false 
        * @property {boolean} temporalCoverage - Default: false. If true, at least a beginDate will be required. 
        * @property {boolean} title - Default: true. EML documents always require a title. Only set this to false if you are extending MetacatUI to ensure a title another way. 
        * @default { 
                      abstract: true, 
                      alternateIdentifier: false, 
                      funding: false, 
                      dataSensitivity: false, 
                      generalTaxonomicCoverage: false, 
                      taxonCoverage: false, 
                      geoCoverage: false, 
                      intellectualRights: true, 
                      keywordSets: false, 
                      methods: false, 
                      samplingDescription: false, 
                      studyExtentDescription: false, 
                      temporalCoverage: false, 
                      title: true 
                    } 
         * @example 
         *  { 
         *    abstract: true, 
         *    alternateIdentifier: false, 
         *    funding: false, 
         *    dataSensitivity: true, 
         *    generalTaxonomicCoverage: false, 
         *    taxonCoverage: false, 
         *    geoCoverage: false, 
         *    intellectualRights: true, 
         *    keywordSets: false, 
         *    methods: false, 
         *    samplingDescription: false, 
         *    studyExtentDescription: false, 
         *    temporalCoverage: false, 
         *    title: true, 
         *    contact: true, 
         *    principalInvestigator: true 
         *  } 
        */ 
           emlEditorRequiredFields: { 
             abstract: true, 
             alternateIdentifier: false, 
             dataSensitivity: false, 
             funding: false, 
             generalTaxonomicCoverage: false, 
             taxonCoverage: false, 
             geoCoverage: false, 
             intellectualRights: true, 
             keywordSets: false, 
             methods: false, 
             samplingDescription: false, 
             studyExtentDescription: false, 
             temporalCoverage: false, 
             title: true, 
             creator: true, 
             contact: true, 
           }, 
           /** 
            * A list of required fields for each EMLParty (People) in the dataset editor. 
            * This is a literal object where the keys are the EML Party type (e.g. creator, principalInvestigator) {@link see EMLParty.partytypes} 
            * and the values are arrays of field names. 
            * By default, EMLPartys are *always* required to have an individual's name, position name, or organization name. 
            * @type {object} 
            * @since 2.21.0 
            * @example 
            *   { 
            *      contact: ["email"], 
            *      creator: ["email", "address", "phone"] 
            *      principalInvestigator: ["organizationName"] 
            *   } 
            * @default 
            *  { 
            *  } 
            */ 
           emlEditorRequiredFields_EMLParty: {}, 
           /** 
       * An array of science metadata format IDs that are editable in MetacatUI. 
       * Metadata documents with these format IDs will have an Edit button and will be 
       * editable in the Editor Views. 
       * This should only be changed if you have extended MetacatUI to edit a new format, 
       * or if you want to disable editing of a specific format ID. 
       * @type {string[]} 
       * @default [ 
         "eml://ecoinformatics.org/eml-2.1.1", 
         "https://eml.ecoinformatics.org/eml-2.2.0" 
       ] 
       * @example 
       *  [ 
       *    "eml://ecoinformatics.org/eml-2.1.1", 
       *    "https://eml.ecoinformatics.org/eml-2.2.0" 
       *  ] 
       * @readonly 
       */ 
           editableFormats: [ 
             "eml://ecoinformatics.org/eml-2.1.1", 
             "https://eml.ecoinformatics.org/eml-2.2.0", 
           ], 
           /** 
            * The format ID the dataset editor serializes new EML as 
            * @type {string} 
            * @default "https://eml.ecoinformatics.org/eml-2.2.0" 
            * @readonly 
            * @since 2.13.0 
            */ 
           editorSerializationFormat: "https://eml.ecoinformatics.org/eml-2.2.0", 
           /** 
            * The XML schema location the dataset editor will use when creating new EML. This should 
            * correspond with {@link AppConfig#editorSerializationFormat} 
            * @type {string} 
            * @default "https://eml.ecoinformatics.org/eml-2.2.0 https://eml.ecoinformatics.org/eml-2.2.0/eml.xsd" 
            * @readonly 
            * @since 2.13.0 
            */ 
           editorSchemaLocation: 
             "https://eml.ecoinformatics.org/eml-2.2.0 https://eml.ecoinformatics.org/eml-2.2.0/eml.xsd", 
           /** 
            * The text to use for the eml system attribute. The system attribute 
            * indicates the data management system within which an identifier is in 
            * scope and therefore unique. This is typically a URL (Uniform Resource 
            * Locator) that indicates a data management system.  All identifiers that 
            * share a system must be unique. In other words, if the same identifier 
            * is used in two locations with identical systems, then by definition the 
            * objects at which they point are in fact the same object. 
            * @type {string} 
            * @since 2.26.0 
            * @link https://eml.ecoinformatics.org/schema/eml-resource_xsd#SystemType 
            * @link https://eml.ecoinformatics.org/schema/eml_xsd 
            */ 
           emlSystem: "knb", 
           /** 
            * This error message is displayed when the Editor encounters an error saving 
            * @type {string} 
            */ 
           editorSaveErrorMsg: "Not all of your changes could be submitted.", 
           /** 
            * This error message is displayed when the Editor encounters an error saving, and a plain-text draft is saved instead 
            * @type {string} 
            */ 
           editorSaveErrorMsgWithDraft: 
             "Not all of your changes could be submitted, but a draft " + 
             "has been saved which can be accessed by our support team. Please contact us.", 
           /** 
            * The text of the Save button in the dataset editor. 
            * @type {string} 
            * @default "Save dataset" 
            * @since 2.13.3 
            */ 
           editorSaveButtonText: "Save dataset", 
           /** 
       * A list of keyword thesauri options for the user to choose from in the EML Editor. 
       * A "None" option will also always display. 
       * @type {object[]} 
       * @property {string} label - A readable and short label for the keyword thesaurus that is displayed in the UI 
       * @property {string} thesaurus - The exact keyword thesaurus name that will be saved in the EML 
       * @since 2.10.0 
       * @default [{ 
                   label: "GCMD", 
                   thesaurus: "NASA Global Change Master Directory (GCMD)" 
                 }] 
       * @example 
       *  [{ 
       *    label: "GCMD", 
       *    thesaurus: "NASA Global Change Master Directory (GCMD)" 
       *  }] 
       */ 
           emlKeywordThesauri: [ 
             { 
               label: "GCMD", 
               thesaurus: "NASA Global Change Master Directory (GCMD)", 
             }, 
           ], 
           /** 
            * If true, questions related to Data Sensitivity will be shown in the EML Editor. 
            * @type {boolean} 
            * @default true 
            * @since 2.19.0 
            */ 
           enableDataSensitivityInEditor: true, 
           /** 
            * The URL of a webpage that shows more information about Data Sensitivity and DataTags. This will be used 
            * for links in help text throughout the app, such as next to Data Sensitivity questions in the dataset editor. 
            * 
            * @type {string} 
            * @default "http://datatags.org" 
            * @since 2.19.0 
            */ 
           dataSensitivityInfoURL: "http://datatags.org", 
           /** 
       * In the editor, sometimes it is useful to have guided questions for the Methods section 
       * in addition to the generic numbered method steps. These custom methods are defined here 
       * as an array of literal objects that define each custom Methods question. Custom methods 
       * are serialized to the EML as regular method steps, but with an unchangeable title, defined here, 
       * in order to identify them. 
       * 
       * @typedef {object} CustomEMLMethod 
       * @property {string[]} titleOptions One or more titles that may exist in an EML Method Step that identify that Method Step as a custom method type. THe first title in the array is serialized to the EML XML. 
       * @property {string} id A unique identifier for this custom method type. 
       * @property {boolean} required If true, this custom method will be a required field for submission in the EML editor. 
       * @example [{ 
                     "titleOptions": ["Ethical Research Procedures"], 
                     "id": "ethical-research-procedures", 
                     "required": false 
                   }] 
       * @since 2.19.0 
       */ 
           /** 
            * In the editor, sometimes it is useful to have guided questions for the Methods section 
            * in addition to the generic numbered method steps. These custom methods are defined here 
            * as an array of literal objects that define each custom Methods question. Custom methods 
            * are serialized to the EML as regular method steps, but with an unchangeable title, defined here, 
            * in order to identify them. 
            * @type {CustomEMLMethod} 
            * @since 2.19.0 
            */ 
           customEMLMethods: [], 
           /** 
            * Configuration options for a drop down list of taxa. 
            * @typedef {object} AppConfig#quickAddTaxaList 
            * @type {Object} 
            * @property {string} label - The label for the dropdown menu 
            * @property {string} placeholder - The placeholder text for the input field 
            * @property {EMLTaxonCoverage#taxonomicClassification[]} taxa - The list of taxa to show in the dropdown menu 
            * @example 
            * { 
            *  label: "Primates", 
            *  placeholder: "Select one or more primates", 
            *  taxa: [ 
            *    { 
            *     commonName: "Bonobo", 
            *     taxonRankName: "Species", 
            *     taxonRankValue: "Pan paniscus", 
            *     taxonId: { 
            *        provider: "ncbi", 
            *        value: "9597" 
            *     } 
            *   }, 
            *   { 
            *     commonName: "Chimpanzee", 
            *     ... 
            *   }, 
            *   ... 
            * } 
            * @since 2.24.0 
            */ 
           /** 
            * A list of taxa to show in the Taxa Quick Add section of the EML editor. 
            * This can be used to expedite entry of taxa that are common in the 
            * repository's domain. The quickAddTaxa is a list of objects, each 
            * defining a separate dropdown interface. This way, common taxa can 
            * be grouped together. 
            * Alternative, provide a SID for a JSON data object that is stored in the 
            * repository. The JSON must be in the same format as required for this 
            * configuration option. 
            * @since 2.24.0 
            * @type {AppConfig#quickAddTaxaList[] | string} 
            * @example 
            * [ 
            *   { 
            *     label: "Bats" 
            *     placeholder: "Select one or more bats", 
            *     taxa: [ ... ] 
            *   }, 
            *   { 
            *     label: "Birds" 
            *     placeholder: "Select one or more birds", 
            *     taxa: [ ... ] 
            *   } 
            * ] 
            */ 
           quickAddTaxa: [], 
           /** 
            * The base URL for the repository. This only needs to be changed if the repository 
            * is hosted at a different origin than the MetacatUI origin. This URL is used to contruct all 
            * of the DataONE REST API URLs. If you are testing MetacatUI against a development repository 
            * at an external location, this is where you would set that external repository URL. 
            * @type {string} 
            * @default window.location.origin || (window.location.protocol + "//" + window.location.host) 
            */ 
           baseUrl: 
             window.location.origin || 
             window.location.protocol + "//" + window.location.host, 
           /** 
            * The directory that metacat is installed in at the `baseUrl`. For example, if you 
            * have metacat installed in the tomcat webapps directory as `metacat`, then this should be set 
            * to "/metacat". Or if you renamed the metacat webapp to `catalog`, then it should be `/catalog`. 
            * @type {string} 
            * @default "/metacat" 
            */ 
           context: MetacatUI.AppConfig.metacatContext || "/metacat", 
           /** 
            * The URL fragment for the DataONE Member Node (MN) API. 
            * @type {string} 
            * @default '/d1/mn/v2' 
            */ 
           d1Service: "/d1/mn/v2", 
           /** 
            * The base URL of the DataONE Coordinating Node (CN). CHange this if you 
            * are testing a deployment in a development environment. 
            * @type {string} 
            * @default "https://cn.dataone.org" 
            * @example "https://cn-stage.test.dataone.org" 
            */ 
           d1CNBaseUrl: "https://cn.dataone.org", 
           /** 
            * The URL fragment for the DataONE Coordinating Node (CN) API. 
            * @type {string} 
            * @default '/cn/v2' 
            */ 
           d1CNService: "/cn/v2", 
           /** 
            * The URL for the DataONE Search MetacatUI. This only needs to be changed 
            * if you want to point to a development environment. 
            * @type {string} 
            * @default "https://search.dataone.org" 
            * @readonly 
            * @since 2.13.0 
            */ 
           dataoneSearchUrl: "https://search.dataone.org", 
           /** 
            * The URL for the DataONE listNodes() API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNCore.listNodes) 
            * @type {string} 
            */ 
           nodeServiceUrl: null, 
           /** 
            * The URL for the DataONE View API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#module-MNView) 
            * @type {string} 
            */ 
           viewServiceUrl: null, 
           /** 
            * The URL for the DataONE getPackage() API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNPackage.getPackage) 
            * 
            * @type {string} 
            */ 
           packageServiceUrl: null, 
           /** 
            * The URL for the Metacat Publish service. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * @type {string} 
            */ 
           publishServiceUrl: null, 
           /** 
            * The URL for the DataONE isAuthorized() API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNAuthorization.isAuthorized) 
            * @type {string} 
            */ 
           authServiceUrl: null, 
           /** 
            * The URL for the DataONE query API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNQuery.query) 
            * @type {string} 
            */ 
           queryServiceUrl: null, 
           /** 
            * The URL for the DataONE reserveIdentifier() API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNCore.reserveIdentifier) 
            * @type {string} 
            */ 
           reserveServiceUrl: null, 
           /** 
            * The URL for the DataONE system metadata API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNRead.getSystemMetadata 
            * and https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNStorage.updateSystemMetadata) 
            * @type {string} 
            */ 
           metaServiceUrl: null, 
           /** 
            * The URL for the DataONE system metadata API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNRead.getSystemMetadata 
            * and https://releases.dataone.org/online/api-documentation-v2.0/apis/MN_APIs.html#MNStorage.updateSystemMetadata) 
            * @type {string} 
            */ 
           objectServiceUrl: null, 
           /** 
            * The URL for the DataONE Formats API. This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNCore.listFormats) 
            * @type {string} 
            */ 
           formatsServiceUrl: null, 
           /** 
            * The URL fragment for the DataONE Formats API. This is combined with the AppConfig#formatsServiceUrl 
            * @type {string} 
            * @default "/formats" 
            */ 
           formatsUrl: "/formats", 
           /** 
            * If true, parts of the UI (most notably, "funding" field in the dataset editor) 
            * may look up NSF Award information 
            * @type {boolean} 
            * @default false 
            */ 
           useNSFAwardAPI: false, 
           /** 
            * The URL for the NSF Award API, which can be used by the {@link LookupModel} 
            * to look up award information for the dataset editor or other views. The 
            * URL must point to a proxy that can make requests to the NSF Award API, 
            * since it does not support CORS. 
            * @type {string} 
            * @default "/research.gov/awardapi-service/v1/awards.json" 
            */ 
           grantsUrl: "/research.gov/awardapi-service/v1/awards.json", 
           /** 
            * The base URL for the ORCID REST services 
            * @type {string} 
            * @default "https:/orcid.org" 
            */ 
           orcidBaseUrl: "https:/orcid.org", 
           /** 
            * The URL for the ORCID search API, which can be used to search for information 
            * about people using their ORCID, email, name, etc. 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           orcidSearchUrl: null, 
           /** 
            * The URL for the Metacat API. The Metacat API has been deprecated and is kept here 
            * for compatability with Metacat repositories that are using the old x509 certificate 
            * authentication mechanism. This is deprecated since authentication is now done via 
            * the DataONE Portal service using auth tokens. (Using the {@link AppConfig#tokenUrl}) 
            * This URL is contructed dynamically when the AppModel is initialized. 
            * Only override this if you are an advanced user and have a reason to! 
            * @type {string} 
            */ 
           metacatServiceUrl: null, 
           /** 
            * If false, the /monitor/status (the service that returns the status of various DataONE services) will not be used. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           enableMonitorStatus: true, 
           /** 
            * The URL for the service that returns the status of various DataONE services. 
            * The only supported status so far is the search index queue -- the number of 
            * objects that are waiting to be indexed in the Solr search index. 
            * This URL is contructed dynamically when the 
            * AppModel is initialized. Only override this if you are an advanced user and have a reason to! 
            * @type {string} 
            * @since 2.9.0 
            */ 
           monitorStatusUrl: "", 
           /** 
            * If true, users will see a page with sign-in troubleshooting tips 
            * @type {boolean} 
            * @default true 
            * @since 2.13.3 
            */ 
           showSignInHelp: true, 
           /** 
            * If true, users can sign in using CILogon as the identity provider. 
            * ORCID is the only recommended identity provider. CILogon may be deprecated 
            * in the future. 
            * @type {boolean} 
            * @default false 
            */ 
           enableCILogonSignIn: false, 
           /** 
            * The URL for the DataONE Sign In API using CILogon as the identity provider 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           signInUrl: null, 
           /** 
            * The URL for the DataONE Sign Out API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           signOutUrl: null, 
           /** 
            * The URL for the DataONE Sign In API using ORCID as the identity provider 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           signInUrlOrcid: null, 
           /** 
            * Enable DataONE LDAP authentication. If true, users can sign in from an LDAP account that is in the DataONE CN LDAP directory. 
            * This is not recommended, as DataONE is moving towards supporting only ORCID logins for users. 
            * This LDAP authentication is separate from the File-based authentication for the Metacat Admin interface. 
            * @type {boolean} 
            * @default false 
            * @since 2.11.0 
            */ 
           enableLdapSignIn: false, 
           /** 
            * The URL for the DataONE Sign In API using LDAP as the identity provider 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           signInUrlLdap: null, 
           /** 
            * The URL for the DataONE Token API using ORCID as the identity provider 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * @type {string} 
            */ 
           tokenUrl: null, 
           /** 
            * The URL for the DataONE echoCredentials() API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNDiagnostic.echoCredentials) 
            * @type {string} 
            */ 
           checkTokenUrl: null, 
           /** 
            * The URL for the DataONE Identity API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#module-CNIdentity) 
            * @type {string} 
            */ 
           accountsUrl: null, 
           /** 
            * The URL for the DataONE Pending Maps API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNIdentity.getPendingMapIdentity) 
            * @type {string} 
            */ 
           pendingMapsUrl: null, 
           /** 
            * The URL for the DataONE mapIdentity() API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNIdentity.mapIdentity) 
            * @type {string} 
            */ 
           accountsMapsUrl: null, 
           /** 
            * The URL for the DataONE Groups API 
            * This URL is constructed dynamically once the {@link AppModel} is initialized. 
            * (see https://releases.dataone.org/online/api-documentation-v2.0/apis/CN_APIs.html#CNIdentity.createGroup) 
            * @type {string} 
            */ 
           groupsUrl: null, 
           /** 
            * The URL for the DataONE metadata assessment service 
            * @type {string} 
            * @default "https://api.dataone.org/quality" 
            */ 
           mdqBaseUrl: "https://api.dataone.org/quality", 
           /** 
            * Metadata Assessment Suite IDs for the dataset assessment reports. 
            * @type {string[]} 
            * @default ["FAIR-suite-0.4.0"] 
            */ 
           mdqSuiteIds: ["FAIR-suite-0.4.0"], 
           /** 
            * Metadata Assessment Suite labels for the dataset assessment reports 
            * @type {string[]} 
            * @default ["FAIR Suite v0.4.0"] 
            */ 
           mdqSuiteLabels: ["FAIR Suite v0.4.0"], 
           /** 
            * Metadata Assessment Suite IDs for the aggregated assessment charts 
            * @type {string[]} 
            * @default ["FAIR-suite-0.4.0"] 
            */ 
           mdqAggregatedSuiteIds: ["FAIR-suite-0.4.0"], 
           /** 
            * Metadata Assessment Suite labels for the aggregated assessment charts 
            * @type {string[]} 
            * @default ["FAIR Suite v0.4.0"] 
            */ 
           mdqAggregatedSuiteLabels: ["FAIR Suite v0.4.0"], 
           /** 
            * The metadata formats for which to display metadata assessment reports 
            * @type {string[]} 
            * @default ["eml*", "https://eml*", "*isotc211*"] 
            */ 
           mdqFormatIds: ["eml*", "https://eml*", "*isotc211*"], 
           /** 
            * Metrics endpoint url 
            * @type {string} 
            */ 
           metricsUrl: "https://logproc-stage-ucsb-1.test.dataone.org/metrics", 
           /** 
            * Forwards collection Query to Metrics Service if enabled 
            * @type {boolean} 
            * @default true 
            */ 
           metricsForwardCollectionQuery: true, 
           /** 
            * DataONE Citation reporting endpoint url 
            * @type {string} 
            */ 
           dataoneCitationsUrl: 
             "https://logproc-stage-ucsb-1.test.dataone.org/citations", 
           /** 
            * Hide or show the report Citation button in the dataset landing page. 
            * @type {boolean} 
            * @default true 
            */ 
           hideReportCitationButton: false, 
           /** 
            * Hide or show the aggregated citations chart in the StatsView. 
            * These charts are only available for DataONE Plus members or Hosted Repositories. 
            * (see https://dataone.org) 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           hideSummaryCitationsChart: true, 
           /** 
            * Hide or show the aggregated downloads chart in the StatsView 
            * These charts are only available for DataONE Plus members or Hosted Repositories. 
            * (see https://dataone.org) 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           hideSummaryDownloadsChart: true, 
           /** 
            * Hide or show the aggregated metadata assessment chart in the StatsView 
            * These charts are only available for DataONE Plus members or Hosted Repositories. 
            * (see https://dataone.org) 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           hideSummaryMetadataAssessment: true, 
           /** 
            * Hide or show the aggregated views chart in the StatsView 
            * These charts are only available for DataONE Plus members or Hosted Repositories. 
            * (see https://dataone.org) 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           hideSummaryViewsChart: true, 
           /** 
            * Metrics flag for the Dataset Landing Page 
            * Enable this flag to enable metrics display 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetMetrics: true, 
           /** 
            * If true, displays the dataset metrics tooltips on the metrics buttons. 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetMetricsTooltip: true, 
           /** 
            * If true, displays the datasets metric modal windows on the dataset landing page 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayMetricModals: true, 
           /** 
            * If true, displays the dataset citation metrics on the dataset landing page 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetCitationMetric: true, 
           /** 
            * If true, displays the dataset download metrics on the dataset landing page 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetDownloadMetric: true, 
           /** 
            * If true, displays the dataset view metrics on the dataset landing page 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetViewMetric: true, 
           /** 
            * If true, displays the citation registration tool on the dataset landing page 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           displayRegisterCitationTool: true, 
           /** 
            * If true, displays the "Edit" button on the dataset landing page 
            * @type {boolean} 
            * @default true 
            */ 
           displayDatasetEditButton: true, 
           /** 
            * If true, displays the metadata assessment metrics on the dataset landing page 
            * @type {boolean} 
            * @default false 
            */ 
           displayDatasetQualityMetric: false, 
           /** 
            * If true, displays the WholeTale "Analyze" button on the dataset landing page 
            * @type {boolean} 
            * @default false 
            */ 
           displayDatasetAnalyzeButton: false, 
           /** 
            * If true, displays various buttons on the dataset landing page for dataset owners 
            * @type {boolean} 
            * @default false 
            */ 
           displayDatasetControls: true, 
           /** Hide metrics display for SolrResult models that match the given properties. 
            *  Properties can be functions, which are given the SolrResult model value as a parameter. 
            * Turn off all dataset metrics displays using the {@link AppConfig#displayDatasetMetrics} 
            * @type {object} 
            * @example 
            * { 
            *   formatId: "eml://ecoinformatics.org/eml-2.1.1", 
            *   isPublic: true, 
            *   dateUploaded: function(date){ 
            *     return new Date(date) < new Date('1995-12-17T03:24:00'); 
            *   } 
            * } 
            * // This example would hide metrics for any objects that are: 
            * //  EML 2.1.1 OR public OR were uploaded before 12/17/1995. 
            */ 
           hideMetricsWhen: null, 
           /** 
            * The bounding box path color to use in the Google Static Map images on the dataset landing pages. 
            * Specify the color either as a 24-bit (example: color=0xFFFFCC) or 32-bit hexadecimal value 
            * (example: color=0xFFFFCCFF), or from the set: black, brown, green, purple, yellow, blue, gray, orange, red, white. 
            * For more information, see the Google Statis Maps API docs: https://developers.google.com/maps/documentation/maps-static/start#PathStyles 
            * @type {string} 
            * @default "0xDA4D3Aff" (red) 
            * @since 2.13.0 
            */ 
           datasetMapPathColor: "0xDA4D3Aff", 
           /** 
            * The bounding box fill color to use in the Google Static Map images on the dataset landing pages. 
            * If you don't want to fill in the bounding boxes with a color, set this to null or undefined. 
            * Specify the color either as a 24-bit (example: color=0xFFFFCC) or 32-bit hexadecimal value 
            * (example: color=0xFFFFCCFF), or from the set: black, brown, green, purple, yellow, blue, gray, orange, red, white. 
            * For more information, see the Google Statis Maps API docs: https://developers.google.com/maps/documentation/maps-static/start#PathStyles 
            * @type {string} 
            * @default "0xFFFF0033" (light yellow) 
            * @since 2.13.0 
            */ 
           datasetMapFillColor: "0xFFFF0033", 
           /** 
            * The hue/color of the tiles drawn on the map when searching for data. 
            * This should be a three-digit hue degree between 0 and 360. (Try https://hslpicker.com) 
            * This is set on the {@link Map} model when it is initialized. 
            * @type {string} 
            * @default "192" (blue) 
            * @since 2.13.3 
            */ 
           searchMapTileHue: "192", 
           /** 
            * If true, the dataset landing pages will generate Schema.org-compliant JSONLD 
            * and insert it into the page. 
            * @type {boolean} 
            * @default true 
            */ 
           isJSONLDEnabled: true, 
           /** 
            * If true, users can see a "Publish" button in the MetadataView, which makes the metadata 
            * document public and gives it a DOI identifier. 
            * If false, the button will be hidden completely. 
            * @type {boolean} 
            * @default true 
            */ 
           enablePublishDOI: true, 
           /** 
            * A list of users or groups who exclusively will be able to see and use the "Publish" button, 
            * which makes the metadata document public and gives it a DOI identifier. 
            * Anyone not in this list will not be able to see the Publish button. 
            * `enablePublishDOI` must be set to `true` for this to take effect. 
            * @type {string[]} 
            */ 
           enablePublishDOIForSubjects: [], 
           /** 
            * If true, users can change the AccessPolicy for any of their objects. 
            * This is equivalent to setting {@link AppConfig#allowAccessPolicyChangesPortals} and 
            * {@link AppConfig#allowAccessPolicyChangesDatasets} to `true`. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           allowAccessPolicyChanges: true, 
           /** 
            * If true, users can change the AccessPolicy for their portals only. 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           allowAccessPolicyChangesPortals: true, 
           /** 
            * Limit portal Access policy editing to only a defined list of people or groups. 
            * To let everyone edit access policies for their own objects, keep this as an empty array 
            * and make sure {@link AppConfig#allowAccessPolicyChangesPortals} is set to `true` 
            * @type {boolean} 
            * @default [] 
            * @since 2.15.0 
            */ 
           allowAccessPolicyChangesPortalsForSubjects: [], 
           /** 
            * If true, users can change the AccessPolicy for their datasets only. 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           allowAccessPolicyChangesDatasets: true, 
           /** 
            * Limit dataset Access policy editing to only a defined list of people or groups. 
            * To let everyone edit access policies for their own objects, keep this as an empty array 
            * and make sure {@link AppConfig#allowAccessPolicyChangesDatasets} is set to `true` 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           allowAccessPolicyChangesDatasetsForSubjects: [], 
           /** 
       * The default {@link AccessPolicy} set on new objects uploaded to the repository. 
       * Each literal object here gets set directly on an {@link AccessRule} model. 
       * See the {@link AccessRule} list of default attributes for options on what to set here. 
       * @see {@link AccessRule} 
       * @type {object[]} 
       * @since 2.9.0 
       * @default [{ 
                   subject: "public", 
                   read: true 
                 }] 
       * @example 
       * [{ 
       *   subject: "public", 
       *   read: true 
       * }] 
       * // This example would assign public access to all new objects created in MetacatUI. 
       */ 
           defaultAccessPolicy: [ 
             { 
               subject: "public", 
               read: true, 
             }, 
           ], 
           /** 
            * When new data objects are added to a {@link DataPackage}, they can either inherit the {@link AccessPolicy} from the 
            * parent metadata object, or default to the {@link AppConfig#defaultAccessPolicy}. To inherit the {@link AccessPolicy} 
            * from the parent metadata object, set this config to `true`. 
            * @type {boolean} 
            * @default true 
            * @since 2.15.0 
            */ 
           inheritAccessPolicy: true, 
           /** 
            * The user-facing name for editing the Access Policy. This is displayed as the header of the AccessPolicyView, for example 
            * @type {string} 
            * @since 2.9.0 
            * @default "Sharing options" 
            */ 
           accessPolicyName: "Sharing options", 
           /** 
       * @type {object} 
       * @property {boolean} accessRuleOptions.read  - If true, users will be able to give others read access to their DataONE objects 
       * @property {boolean} accessRuleOptions.write - If true, users will be able to give others write access to their DataONE objects 
       * @property {boolean} accessRuleOptions.changePermission - If true, users will be able to give others changePermission access to their DataONE objects 
       * @since 2.9.0 
       * @default { 
                   read: true, 
                   write: true, 
                   changePermission: true 
                 } 
       * @example 
       * { 
       *   read: true, 
       *   write: true, 
       *   changePermission: false 
       * } 
       * // This example would enable users to edit the read and write access to files, 
       * // but not change ownership, in the Access Policy View. 
       */ 
           accessRuleOptions: { 
             read: true, 
             write: true, 
             changePermission: true, 
           }, 
           /** 
            * @type {object} 
            * @property {boolean} accessRuleOptionNames.read  - The user-facing name of the "read" access in Access Rules 
            * @property {boolean} accessRuleOptionNames.write - The user-facing name of the "write" access in Access Rules 
            * @property {boolean} accessRuleOptionNames.changePermission - The user-facing name of the "changePermission" access in Access Rules 
            * @since 2.9.0 
            * @example 
            *  { 
            *    read: "Can view", 
            *    write: "Can edit", 
            *    changePermission: "Is owner" 
            *  } 
            */ 
           accessRuleOptionNames: { 
             read: "Can view", 
             write: "Can edit", 
             changePermission: "Is owner", 
           }, 
           /** 
            * If false, the rightsHolder of a resource will not be displayed in the AccessPolicyView. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           displayRightsHolderInAccessPolicy: true, 
           /** 
            * If false, users will not be able to change the rightsHolder of a resource in the AccessPolicyView 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           allowChangeRightsHolder: true, 
           /** 
            * A list of group subjects that will be hidden in the AccessPolicy view to 
            * everyone except those in the group. This is useful for preventing users from 
            * removing repository administrative groups from access policies. 
            * @type {string[]} 
            * @since 2.9.0 
            * @example ["CN=data-admin-group,DC=dataone,DC=org"] 
            */ 
           hiddenSubjectsInAccessPolicy: [], 
           /** 
            * The format ID the portal editor serializes a new portal document as 
            * @type {string} 
            * @default "https://purl.dataone.org/portals-1.1.0" 
            * @readonly 
            * @since 2.17.0 
            */ 
           portalEditorSerializationFormat: 
             "https://purl.dataone.org/portals-1.1.0", 
           /** 
            * If true, the public/private toggle will be displayed in the Sharing Options for portals. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           showPortalPublicToggle: true, 
           /** 
            * The public/private toggle will be displayed in the Sharing Options for portals for only 
            * the given users or groups. To display the public/private toggle for everyone, 
            * set `showPortalPublicToggle` to true and keep this array empty. 
            * @type {string[]} 
            * @since 2.9.0 
            */ 
           showPortalPublicToggleForSubjects: [], 
           /** 
            * If true, the public/private toggle will be displayed in the Sharing Options for datasets. 
            * @type {boolean} 
            * @default true 
            * @since 2.9.0 
            */ 
           showDatasetPublicToggle: true, 
           /** 
            * The public/private toggle will be displayed in the Sharing Options for datasets for only 
            * the given users or groups. To display the public/private toggle for everyone, 
            * set `showDatasetPublicToggle` to true and keep this array empty. 
            * @type {string[]} 
            * @since 2.15.0 
            */ 
           showDatasetPublicToggleForSubjects: [], 
           /** 
            * Set to false to hide the display of "My Portals", which shows the user's current portals 
            * @type {boolean} 
            * @default true 
            */ 
           showMyPortals: true, 
           /** 
            * The user-facing term for portals in lower-case and in singular form. 
            * e.g. "portal" 
            * @type {string} 
            * @default "portal" 
            */ 
           portalTermSingular: "portal", 
           /** 
            * The user-facing term for portals in lower-case and in plural form. 
            * e.g. "portals". This allows for portal terms with irregular plurals. 
            * @type {string} 
            * @default "portals" 
            */ 
           portalTermPlural: "portals", 
           /** 
            * A URL of a webpage for people to learn more about portals. If no URL is provided, 
            * links to more info about portals will be omitted. 
            * @since 2.14.0 
            * @type {string} 
            * @example "https://dataone.org/plus" 
            * @default null 
            */ 
           portalInfoURL: null, 
           /** 
            * The URL for a webpage where people can learn more about custom portal search 
            * filters. If no URL is provided, links to more info about portals will be omitted. 
            * @since 2.17.0 
            * @type {string} 
            * @example "https://dataone.org/custom-search" 
            * @default null 
            */ 
           portalSearchFiltersInfoURL: null, 
           /** 
            * Set to false to prevent ANYONE from creating a new portal. 
            * @type {boolean} 
            * @default true 
            */ 
           enableCreatePortals: true, 
           /** 
            * Limits only the following people or groups to create new portals. If this is left as an empty array, 
            * then any logged-in user can create a portal. 
            * @type {string[]} 
            */ 
           limitPortalsToSubjects: [], 
           /** 
            * This message will display when a user tries to create a new Portal in the PortalEditor 
            * when they are not associated with a whitelisted subject in the `limitPortalsToSubjects` list 
            * @type {string} 
            */ 
           portalEditNotAuthCreateMessage: 
             "You have not been authorized to create new portals. Please contact us with any questions.", 
           /** 
            * This message will display when a user tries to access the Portal Editor for a portal 
            * for which they do not have write permission. 
            * @type {string} 
            */ 
           portalEditNotAuthEditMessage: 
             "The portal owner has not granted you permission to edit this portal. Please contact the owner to be given edit permission.", 
           /** 
            * This message will display when a user tries to create a new portal when they have exceeded their DataONE portal quota 
            * @type {string} 
            */ 
           portalEditNoQuotaMessage: 
             "You have already reached the maximum number of portals for your membership level.", 
           /** 
            * This message will display when there is any non-specific error during the save process of the PortalEditor. 
            * @type {string} 
            */ 
           portalEditSaveErrorMsg: 
             "Something went wrong while attempting to save your changes.", 
           /** 
            * The list of fields that should be required in the portal editor. 
            * Set individual properties to `true` to require them in the portal editor. 
            * @type {object} 
            * @property {boolean} label - Default: true 
            * @property {boolean} name - Default: true 
            * @property {boolean} description - Default: false 
            * @property {boolean} sectionTitle - Default: true 
            * @property {boolean} sectionIntroduction - Default: false 
            * @property {boolean} logo - Default: false 
            */ 
           portalEditorRequiredFields: { 
             label: true, 
             name: true, 
             description: false, 
             sectionTitle: true, 
             sectionIntroduction: false, 
             logo: false, 
             //The following fields are not yet supported as required fields in the portal editor 
             //TODO: Add support for requiring the below fields 
             sectionImage: false, 
             acknowledgments: false, 
             acknowledgmentsLogos: false, 
             awards: false, 
             associatedParties: false, 
           }, 
           /** 
            * A list of portals labels that no one should be able to create portals with 
            * @type {string[]} 
            * @readonly 
            * @since 2.11.3 
            */ 
           portalLabelBlockList: [ 
             "Dataone", 
             "urn:node:CN", 
             "CN", 
             "cn", 
             "urn:node:CNUNM1", 
             "CNUNM1", 
             "cn-unm-1", 
             "urn:node:CNUCSB1", 
             "CNUCSB1", 
             "cn-ucsb-1", 
             "urn:node:CNORC1", 
             "CNORC1", 
             "cn-orc-1", 
             "urn:node:KNB", 
             "KNB", 
             "KNB Data Repository", 
             "urn:node:ESA", 
             "ESA", 
             "ESA Data Registry", 
             "urn:node:SANPARKS", 
             "SANPARKS", 
             "SANParks Data Repository", 
             "urn:node:ORNLDAAC", 
             "ORNLDAAC", 
             "ORNL DAAC", 
             "urn:node:LTER", 
             "LTER", 
             "U.S. LTER Network", 
             "urn:node:CDL", 
             "CDL", 
             "UC3 Merritt", 
             "urn:node:PISCO", 
             "PISCO", 
             "PISCO MN", 
             "urn:node:ONEShare", 
             "ONEShare", 
             "ONEShare DataONE Member Node", 
             "urn:node:mnORC1", 
             "mnORC1", 
             "DataONE ORC Dedicated Replica Server", 
             "urn:node:mnUNM1", 
             "mnUNM1", 
             "DataONE UNM Dedicated Replica Server", 
             "urn:node:mnUCSB1", 
             "mnUCSB1", 
             "DataONE UCSB Dedicated Replica Server", 
             "urn:node:TFRI", 
             "TFRI", 
             "TFRI Data Catalog", 
             "urn:node:USANPN", 
             "USANPN", 
             "USA National Phenology Network", 
             "urn:node:SEAD", 
             "SEAD", 
             "SEAD Virtual Archive", 
             "urn:node:GOA", 
             "GOA", 
             "Gulf of Alaska Data Portal", 
             "urn:node:KUBI", 
             "KUBI", 
             "University of Kansas - Biodiversity Institute", 
             "urn:node:LTER_EUROPE", 
             "LTER_EUROPE", 
             "LTER Europe Member Node", 
             "urn:node:DRYAD", 
             "DRYAD", 
             "Dryad Digital Repository", 
             "urn:node:CLOEBIRD", 
             "CLOEBIRD", 
             "Cornell Lab of Ornithology - eBird", 
             "urn:node:EDACGSTORE", 
             "EDACGSTORE", 
             "EDAC Gstore Repository", 
             "urn:node:IOE", 
             "IOE", 
             "Montana IoE Data Repository", 
             "urn:node:US_MPC", 
             "US_MPC", 
             "Minnesota Population Center", 
             "urn:node:EDORA", 
             "EDORA", 
             "Environmental Data for the Oak Ridge Area (EDORA)", 
             "urn:node:RGD", 
             "RGD", 
             "Regional and Global biogeochemical dynamics Data (RGD)", 
             "urn:node:GLEON", 
             "GLEON", 
             "GLEON Data Repository", 
             "urn:node:IARC", 
             "IARC", 
             "IARC Data Archive", 
             "urn:node:NMEPSCOR", 
             "NMEPSCOR", 
             "NM EPSCoR Tier 4 Node", 
             "urn:node:TERN", 
             "TERN", 
             "TERN Australia", 
             "urn:node:NKN", 
             "NKN", 
             "Northwest Knowledge Network", 
             "urn:node:USGS_SDC", 
             "USGS_SDC", 
             "USGS Science Data Catalog", 
             "urn:node:NRDC", 
             "NRDC", 
             "NRDC DataONE member node", 
             "urn:node:NCEI", 
             "NCEI", 
             "NOAA NCEI Environmental Data Archive", 
             "urn:node:PPBIO", 
             "PPBIO", 
             "PPBio", 
             "urn:node:NEON", 
             "NEON", 
             "NEON Member Node", 
             "urn:node:TDAR", 
             "TDAR", 
             "The Digital Archaeological Record", 
             "urn:node:ARCTIC", 
             "ARCTIC", 
             "Arctic Data Center", 
             "urn:node:BCODMO", 
             "BCODMO", 
             "Biological and Chemical Oceanography Data Management Office (BCO-DMO) ", 
             "urn:node:GRIIDC", 
             "GRIIDC", 
             "Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC)", 
             "urn:node:R2R", 
             "R2R", 
             "Rolling Deck to Repository (R2R)", 
             "urn:node:EDI", 
             "EDI", 
             "Environmental Data Initiative", 
             "urn:node:UIC", 
             "UIC", 
             "A Member Node for University of Illinois at Chicago.", 
             "urn:node:RW", 
             "RW", 
             "Research Workspace", 
             "urn:node:FEMC", 
             "FEMC", 
             "Forest Ecosystem Monitoring Cooperative Member Node", 
             "urn:node:OTS_NDC", 
             "OTS_NDC", 
             "Organization for Tropical Studies - Neotropical Data Center", 
             "urn:node:PANGAEA", 
             "PANGAEA", 
             "PANGAEA", 
             "urn:node:ESS_DIVE", 
             "ESS_DIVE", 
             "ESS-DIVE: Deep Insight for Earth Science Data", 
             "urn:node:CAS_CERN", 
             "CAS_CERN", 
             "Chinese Ecosystem Research Network (CERN)", 
             "urn:node:FIGSHARE_CARY", 
             "FIGSHARE_CARY", 
             "Cary Institute of Ecosystem Studies (powered by Figshare)", 
             "urn:node:IEDA_EARTHCHEM", 
             "IEDA_EARTHCHEM", 
             "IEDA EARTHCHEM", 
             "urn:node:IEDA_USAP", 
             "IEDA_USAP", 
             "IEDA USAP", 
             "urn:node:IEDA_MGDL", 
             "IEDA_MGDL", 
             "IEDA MGDL", 
             "urn:node:METAGRIL", 
             "METAGRIL", 
             "metaGRIL", 
             "urn:node:ARM", 
             "ARM", 
             "ARM - Atmospheric Radiation Measurement Research Facility", 
             "urn:node:CA_OPC", 
             "CA_OPC", 
             "OPC", 
             "urn:node:TNC_DANGERMOND", 
             "dangermond", 
             "TNC_DANGERMOND", 
             "dangermondpreserve", 
           ], 
           /** 
            * Limit users to a certain number of portals. This limit will be ignored if {@link AppConfig#enableBookkeeperServices} 
            * is set to true, because the limit will be enforced by Bookkeeper Quotas instead. 
            * @type {number} 
            * @default 100 
            * @since 2.14.0 
            */ 
           portalLimit: 100, 
           /** 
            * The default values to use in portals. Default sections are applied when a portal is new. 
            * Default images are used in new freeform pages in the portal builder. 
            * The default colors are used when colors haven't been saved to the portal document. 
            * Colors can be hex codes, rgb codes, or any other form supported by browsers in CSS 
            * @type {object} 
            * @property {object[]} sections The default sections for a new portal. Each object within the section array can have a title property and a label property 
            * @property {string} label The name of the section that will appear in the tab 
            * @property {string} title A longer title for the section that will appear in the section header 
            * @property {string} newPortalActiveSectionLabel When a user start the portal builder for a brand new portal, the label for the section that the builder should start on. Can be set to "Data", "Metrics", "Settings", or one of the labels from the default sections described above. 
            * @property {string[]} sectionImageIdentifiers A list of image pids to use as default images for new markdown sections 
            * @property {string} primaryColor The color that is used most frequently in the portal view 
            * @property {string} secondaryColor The color that is used second-most frequently in the portal view 
            * @property {string} accentColor The color that is rarely used in portal views as an accent color 
            * @property {string} primaryColorTransparent An rgba() version of the primaryColor that is semi-transparent 
            * @property {string} secondaryColorTransparent An rgba() version of the secondaryColor that is semi-transparent 
            * @property {string} accentColorTransparent An rgba() version of the accentColor that is semi-transparent 
            * @example { 
            *   sections: [ 
            *     { label: "About", 
            *       title: "About our project" 
            *     }, 
            *     { label: "Publications", 
            *       title: "Selected publications by our lab group" 
            *     } 
            *   ], 
            *   newPortalActiveSectionLabel: "About", 
            *   sectionImageIdentifiers: ["urn:uuid:d2f31a83-debf-4d78-bef7-6abe20962581", "urn:uuid:6ad37acd-d0ac-4142-9f42-e5f05ff55564", "urn:uuid:0b6be09f-2e6f-4e7b-a83c-2823495f9608", "urn:uuid:5b4e0347-07ed-4580-b039-6c4df57ed801", "urn:uuid:0cf62da9-a099-440e-9c1e-595a55c0d60d"], 
            *   primaryColor: "#16acc0", 
            *   primaryColorTransparent: "rgba(22, 172, 192, .7)", 
            *   secondaryColor: "#EED268", 
            *   secondaryColorTransparent: "rgba(238, 210, 104, .7)", 
            *   accentColor: "#0f5058", 
            *   accentColorTransparent: "rgba(15, 80, 88, .7)" 
            *  } 
            * @since 2.14.0 
            */ 
           portalDefaults: {}, 
           /** 
            * Add an API service URL that retrieves projects data. This is an optional 
            * configuration in case the memberNode have a third-party service that provides 
            * their projects information. 
            * 
            * If the configuration is not set, set the default projects list in the views using it. 
            * 
            * @type {string} 
            * @private 
            * @since 2.20.0 #TODO Update version here. 
            */ 
           projectsApiUrl: undefined, 
           /** 
            * Enable or disable the use of Fluid Earth Viewer visualizations in portals. 
            * This config option is marked as `private` since this is an experimental feature. 
            * @type {boolean} 
            * @private 
            * @since 2.13.4 
            */ 
           enableFeverVisualizations: false, 
           /** 
            * The relative path to the location where the Fluid Earth Viewer (FEVer) is deployed. This should be 
            * deployed at the same origin as MetacatUI, since your web server configuration and many browsers 
            * may block iframes from different origins. 
            * This config option is marked as `private` since this is an experimental feature. 
            * @type {string} 
            * @private 
            * @since 2.13.4 
            */ 
           feverPath: "/fever", 
           /** 
            * The full URL to the location where the Fluid Earth Viewer (FEVer) is deployed. 
            * This URL is constructed during {@link AppModel#initialize} using the {@link AppConfig#baseUrl} 
            * and {@link AppConfig#feverPath}. 
            * This config option is marked as `private` since this is an experimental feature. 
            * @type {string} 
            * @readonly 
            * @private 
            * @since 2.13.4 
            */ 
           feverUrl: "", 
           /** 
            * A list of trusted content sources from which MetacatUI can safely 
            * embed external content. This property is used to define URLs or URL 
            * patterns that are considered secure for embedding content in 
            * iframes, especially when rendering user-generated Markdown content. 
            * 
            * Each source in the list can include wildcards (`*`) to match any 
            * subdomain or path. For example, `"https://*.dataone.org/*"` matches 
            * any subdomain of `dataone.org` over HTTPS, and `"*arcticdata.io*"` 
            * matches any URL containing `arcticdata.io`. 
            * 
            * Set to an empty array or a falsy value to disable all embedded content. 
            * 
            * @type {string[]} 
            * @since 0.0.0 
            */ 
           trustedContentSources: [], 
           /** If true, then archived content is available in the search index. 
            * Set to false if this MetacatUI is using a Metacat version before 2.10.0 
            * @type {boolean} 
            * @default true 
            */ 
           archivedContentIsIndexed: true, 
           /** 
            * The metadata fields to hide when a user is creating a collection definition using 
            * the Query Builder View displayed in the portal builder on the data page, or 
            * anywhere else the EditCollectionView is displayed. Strings listed here should 
            * exactly match the 'name' for each field provided by the DataONE search index API 
            * (i.e. should match the Solr field). 
            * @example ["sem_annotated_by", "mediaType"] 
            * @type {string[]} 
            */ 
           collectionQueryExcludeFields: [ 
             "sem_annotated_by", 
             "sem_annotates", 
             "sem_comment", 
             "pubDate", 
             "namedLocation", 
             "contactOrganization", 
             "investigator", 
             "originator", 
             "originatorText", 
             "serviceInput", 
             "authorGivenName", 
             "authorSurName", 
             "topic", 
             "webUrl", 
             "_root_", 
             "collectionQuery", 
             "geohash_1", 
             "geohash_2", 
             "geohash_3", 
             "geohash_4", 
             "geohash_5", 
             "geohash_6", 
             "geohash_7", 
             "geohash_8", 
             "geohash_9", 
             "label", 
             "LTERSite", 
             "_version_", 
             "checksumAlgorithm", 
             "keywords", 
             "parameterText", 
             "project", 
             "topicText", 
             "dataUrl", 
             "fileID", 
             "isDocumentedBy", 
             "logo", 
             "obsoletes", 
             "origin", 
             "funding", 
             "formatType", 
             "obsoletedBy", 
             "presentationCat", 
             "mediaType", 
             "mediaTypeProperty", 
             "relatedOrganizations", 
             "noBoundingBox", 
             "decade", 
             "hasPart", 
             "sensorText", 
             "sourceText", 
             "termText", 
             "titlestr", 
             "site", 
             "id", 
             "updateDate", 
             "edition", 
             "gcmdKeyword", 
             "isSpatial", 
             "keyConcept", 
             "ogcUrl", 
             "parameter", 
             "sensor", 
             "source", 
             "term", 
             "investigatorText", 
             "sku", 
             "_text_", 
             // Fields that have been made into a special combination field 
             "beginDate", 
             "endDate", 
             "awardNumber", 
             // Provenance fields (keep only "prov_hasSources" and "prov_hasDerivations"), 
             // since they are the only ones indexed on metadata objects 
             "prov_wasGeneratedBy", 
             "prov_generated", 
             "prov_generatedByExecution", 
             "prov_generatedByProgram", 
             "prov_generatedByUser", 
             "prov_instanceOfClass", 
             "prov_used", 
             "prov_usedByExecution", 
             "prov_usedByProgram", 
             "prov_usedByUser", 
             "prov_wasDerivedFrom", 
             "prov_wasExecutedByExecution", 
             "prov_wasExecutedByUser", 
             "prov_wasInformedBy", 
           ], 
           /** 
            * A special field is one that does not exist in the query service index (i.e. 
            * Solr). It can be a combination of fields that are presented to the user as a 
            * single field, but which are added to the model as multiple fields. It can also be 
            * a duplicate of a field that does exist, but presented with a different label (and 
            * even with different {@link operatorOptions operator options} or 
            * {@link valueSelectUImap value input} if needed). 
            * 
            * @typedef {Object} SpecialField 
            * @property {string} name - A unique ID to represent this field. It must not match 
            * the name of any other query fields. 
            * @property {string[]} fields - The list of real query fields that this abstracted 
            * field should represent. The query fields listed must exactly match the names of 
            * the query fields that are retrieved from the query service. 
            * @property {string} label - A user-facing label to display. 
            * @property {string} description - A description for this field. 
            * @property {string} category - The name of the category under which to place this 
            * field. It must match one of the category names for an existing query field set in 
            * {@link QueryField#categoriesMap}. 
            * @property {string[]} [values] - An optional list of filter values. If set, this 
            * is used to determine whether a pre-existing Query Rule should be displayed as one 
            * of these special fields, or as a field from the query API. Setting values means 
            * that the values set on the Query Rule model must exactly match the values set. 
            * 
            * @since 2.15.0 
            */ 
           /** 
            * A list of additional fields which are not retrieved from the query API (i.e. are 
            * not Solr fields), but which should be added to the list of options the user can 
            * select from when building a query in the EditCollectionView. This can be used to 
            * add abstracted fields which are a combination of multiple query fields, or to add 
            * a duplicate field that has a different label. 
            * 
            * @type {SpecialField[]} 
            * 
            * @since 2.15.0 
            */ 
           collectionQuerySpecialFields: [ 
             { 
               name: "documents-special-field", 
               fields: ["documents"], 
               label: "Contains Data Files", 
               description: 
                 "Limit results to packages that include data files. Without" + 
                 " this rule, results may include packages with metadata but no data.", 
               category: "General", 
               values: ["*"], 
             }, 
             { 
               name: "year-data-collection", 
               fields: ["beginDate", "endDate"], 
               label: "Year of Data Collection", 
               description: 
                 "The temporal range of content described by the metadata", 
               category: "Dates", 
             }, 
             { 
               name: "funding-text-award-number", 
               fields: ["fundingText", "awardNumber"], 
               label: "Award Number", 
               description: 
                 "The award number for funding associated with a dataset or the " + 
                 "description of funding source", 
               category: "Awards & funding", 
             }, 
           ], 
           /** 
            * The names of the query fields that use an object identifier as a value. Filter 
            * models that use one of these fields are handled specially when building query 
            * strings - they are OR'ed at the end of queries. They are also given an "OR" 
            * operator and fieldsOperator attribute when parsed. 
            * @type {string[]} 
            * 
            * @since 2.17.0 
            */ 
           queryIdentifierFields: ["id", "identifier", "seriesId", "isPartOf"], 
           /** 
            * The name of the query fields that specify latitude. Filter models that these 
            * fields are handled specially, since they must be a float value and have a 
            * pre-determined minRange and maxRange (-90 to 90). 
            */ 
           queryLatitudeFields: ["northBoundCoord", "southBoundCoord"], 
           /** 
            * The name of the query fields that specify longitude. Filter models that these 
            * fields are handled specially, since they must be a float value and have a 
            * pre-determined minRange and maxRange (-180 to 180). 
            */ 
           queryLongitudeFields: ["eastBoundCoord", "westBoundCoord"], 
           /** 
            * The names of the query fields that may require special treatment in the 
            * UI. For example, upgrade the view for a Filter from a FilterView to 
            * a SemanticFilterView or to block certain UIBuilders in FilterEditorView 
            *  that don't make sense for a semantic field. 
            * 
            * @type {string[]} 
            * @since 2.22.0 
            */ 
           querySemanticFields: ["sem_annotation"], 
           /** 
            * The isPartOf filter is added to all new portals built in the Portal 
            * Builder automatically. It is required for dataset owners to include 
            * their dataset in a specific portal collection. By default, this filter 
            * is hidden. Set to false to make this filter visible. 
            * @type {boolean} 
            */ 
           hideIsPartOfFilter: true, 
           /** 
            * The default {@link FilterGroup}s to use in the data catalog search ({@link CatalogSearchView}). 
            * This is an array of literal objects that will be directly set on the {@link FilterGroup} models. Refer to the {@link FilterGroup#defaults} for 
            * options. 
            * @type {FilterGroup#defaults[]} 
            */ 
           defaultFilterGroups: [ 
             { 
               label: "", 
               filters: [ 
                 { 
                   fields: ["attribute"], 
                   label: "Data attribute", 
                   placeholder: "density, length, etc.", 
                   icon: "table", 
                   description: 
                     "Measurement type, e.g. density, temperature, species", 
                 }, 
                 { 
                   fields: ["sem_annotation"], 
                   label: "Annotation", 
                   placeholder: "Search for class...", 
                   icon: "tag", 
                   description: "Semantic annotations", 
                 }, 
                 { 
                   filterType: "ToggleFilter", 
                   fields: ["documents"], 
                   label: "Contains Data Files", 
                   placeholder: "Only results with data", 
                   trueLabel: "Required", 
                   falseLabel: null, 
                   trueValue: "*", 
                   matchSubstring: false, 
                   icon: "table", 
                   description: 
                     "Checking this option will only return packages that include data files. Leaving this unchecked may return packages that only include metadata.", 
                 }, 
                 { 
                   fields: ["originText"], 
                   label: "Creator", 
                   placeholder: "Name", 
                   icon: "user", 
                   description: 
                     "The name of the creator or originator of a dataset", 
                 }, 
                 { 
                   filterType: "DateFilter", 
                   fields: ["datePublished", "dateUploaded"], 
                   label: "Publish Year", 
                   rangeMin: 1800, 
                   icon: "calendar", 
                   description: 
                     "Only show results that were published within the year range", 
                 }, 
                 { 
                   filterType: "DateFilter", 
                   fields: ["beginDate"], 
                   label: "Year of data coverage", 
                   rangeMin: 1800, 
                   icon: "calendar", 
                   description: 
                     "Only show results with data collected within the year range", 
                 }, 
                 { 
                   fields: [ 
                     "identifier", 
                     "documents", 
                     "resourceMap", 
                     "seriesId", 
                   ], 
                   label: "Identifier", 
                   placeholder: "DOI or ID", 
                   icon: "bullseye", 
                   description: 
                     "Find datasets if you have all or part of its DOI or ID", 
                   operator: "OR", 
                   fieldsOperator: "OR", 
                 }, 
                 { 
                   fields: [ 
                     "kingdom", 
                     "phylum", 
                     "class", 
                     "order", 
                     "family", 
                     "genus", 
                     "species", 
                   ], 
                   label: "Taxon", 
                   placeholder: "Class, family, etc.", 
                   icon: "sitemap", 
                   description: "Find data about any taxonomic rank", 
                   matchSubstring: true, 
                   fieldsOperator: "OR", 
                 }, 
                 { 
                   fields: ["siteText"], 
                   label: "Location", 
                   placeholder: "Geographic region", 
                   icon: "globe", 
                   description: 
                     "The geographic region or study site, as described by the submitter", 
                 }, 
               ], 
             }, 
           ], 
           /** 
            * The document fields to return when conducting a search. This is the list of fields returned by the main catalog search view. 
            * @type {string[]} 
            * @since 2.22.0 
            * @example ["id", "title", "obsoletedBy"] 
            */ 
           defaultSearchFields: [ 
             "id", 
             "seriesId", 
             "title", 
             "origin", 
             "pubDate", 
             "dateUploaded", 
             "abstract", 
             "resourceMap", 
             "beginDate", 
             "endDate", 
             "read_count_i", 
             "geohash_9", 
             "datasource", 
             "isPublic", 
             "project", 
             "documents", 
             "label", 
             "logo", 
             "formatId", 
             "northBoundCoord", 
             "southBoundCoord", 
             "eastBoundCoord", 
             "westBoundCoord", 
           ], 
           /** 
            * Semantic annotation configuration 
            * Include your Bioportal api key to show ontology information for metadata annotations 
            * see: http://bioportal.bioontology.org/account 
            * @type {string} 
            */ 
           bioportalAPIKey: "", 
           /** 
            * The Bioportal REST API URL, which is set dynamically only if a bioportalAPIKey is configured 
            * @type {string} 
            * @deprecated since 2.31.0 
            */ 
           bioportalSearchUrl: "https://data.bioontology.org/search", 
           /** 
            * The Bioportal REST API URL, which is used for looking up ontology information 
            * @see {@link https://data.bioontology.org/documentation} 
            * @type {string} 
            * @default "https://data.bioontology.org" 
            * @since 2.31.0 
            */ 
           bioportalApiBaseUrl: "https://data.bioontology.org", 
           /** 
            * This attribute stores cache of ontology information that is looked up in Bioportal, so that duplicate REST calls don't need to be made. 
            * @type {object} 
            */ 
           bioportalLookupCache: {}, 
           /** 
            * Set this option to true to display the annotation icon in search result rows when a dataset has an annotation 
            * @type {boolean} 
            */ 
           showAnnotationIndicator: false, 
           /** 
            * The list of Bioportal ontologies that are available for searching & 
            * labeling data in the repository. These are the ontologies that will 
            * be displayed in the bioontology browser, and the ontologies that a 
            * user can search within when querying data with the sem_annotation 
            * field. Set a subTree property to limit the ontology to a particular 
            * class. For the full list of possible ontologies, see the Bioportal 
            * website: https://bioportal.bioontology.org/ontologies 
            * @type {Array.<{label: string, ontology: string, subTree: string, icon: string}>} 
            * @since 2.31.0 
            */ 
           bioportalOntologies: [ 
             { 
               label: "The Ecosystem Ontology", 
               ontology: "ECSO", 
               icon: "leaf", 
             }, 
             { 
               label: "Sensitive Data", 
               ontology: "SENSO", 
               icon: "lock", 
             }, 
             { 
               label: "Salmon", 
               ontology: "SALMON", 
               icon: "anchor", 
             }, 
             { 
               label: "Arctic Report Card", 
               ontology: "ARCRC", 
               icon: "asterisk", 
             }, 
             { 
               label: "ADC Academic Disciplines", 
               ontology: "ADCAD", 
               icon: "briefcase", 
             }, 
             { 
               label: "MOSAiC", 
               ontology: "MOSAIC", 
               icon: "barcode", 
             }, 
             { 
               label: "NCBI Organismal Classification", 
               ontology: "NCBITAXON", 
             }, 
             { 
               label: "The State of Alaska's Salmon and People", 
               ontology: "SASAP", 
               icon: "group", 
             }, 
             { 
               label: "Chemical Entities of Biological Interest", 
               ontology: "CHEBI", 
               icon: "beaker", 
             }, 
             { 
               label: "Scientific Workflow Provenance", 
               ontology: "ProvONE", 
               icon: "code", 
             }, 
             { 
               label: "Extensible Observation Ontology", 
               ontology: "OBOE", 
             }, 
           ], 
           /** 
            * A list of unsupported User-Agent regular expressions for browsers that will not work well with MetacatUI. 
            * A warning message will display on the page for anyone using one of these browsers. 
            * @type {RegExp[]} 
            * @since 2.10.0 
            * @default [/(?:\b(MS)?IE\s+|\bTrident\/7\.0;.*\s+rv:)(\d+)/] 
            * @example [/(?:\b(MS)?IE\s+|\bTrident\/7\.0;.*\s+rv:)(\d+)/] 
            */ 
           unsupportedBrowsers: [ 
             /(?:\b(MS)?IE\s+|\bTrident\/7\.0;.*\s+rv:)(\d+)/, 
           ], 
           /** 
            * A list of alternate repositories to use for fetching and saving DataONEObjects. 
            * In the AppConfig, this is an array of {@link NodeModel#members} attributes, in JSON form. 
            * These are the same attributes retireved from the Node Info document, via the d1/mn/v2/node API. 
            * The only required attributes are name, identifier, and baseURL. 
            * @type {object[]} 
            * @example [{ 
            *    name: "Metacat MN", 
            *    identifier: "urn:node:METACAT", 
            *    baseURL: "https://my-metacat.org/metacat/d1/mn" 
            *  }] 
            * 
            * @since 2.14.0 
            */ 
           alternateRepositories: [], 
           /** 
            * The node identifier of the alternate repository that is used for fetching and saving DataONEObjects. 
            * this attribute is dynamically set by MetacatUI to keep track of the currently active alt repo. 
            * To specify a repository that should be active by default, set {@link AppConfig#defaultAlternateRepositoryId} 
            * @type {string} 
            * @example "urn:node:METACAT" 
            * @since 2.14.0 
            * @readonly 
            */ 
           activeAlternateRepositoryId: null, 
           /** 
            * The node identifier of the alternate repository that should be used for fetching and saving DataONEObjects. 
            * Since there can be multiple alternate repositories configured, this attribute can be used to specify which 
            * one is actively in use. 
            * @type {string} 
            * @example "urn:node:METACAT" 
            * @since 2.14.0 
            */ 
           defaultAlternateRepositoryId: null, 
           /** 
            * Enable or disable the DataONE Bookkeeper services. If enabled, Portal Views will use the DataONE Plus 
            * paid features for active subscriptions. If disabled, the Portal Views will assume 
            * all portals are in inactive/free, and will only render free features. 
            * @type {boolean} 
            * @since 2.14.0 
            */ 
           enableBookkeeperServices: false, 
           /** 
            * The base URL for the DataONE Bookkeeper services, which manage the DataONE membership plans, such as 
            * Hosted Repositories and Plus. 
            * See https://github.com/DataONEorg/bookkeeper for more info on this service. 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperBaseUrl: "https://api.test.dataone.org:30443/bookkeeper/v1", 
           /** 
            * The URL for the DataONE Bookkeeper Quota API, e.g. listQuotas(), getQuota(), createQuota(), etc. 
            * This full URL is contructed using {@link AppModel#bookkeeperBaseUrl} when the AppModel is initialized. 
            * @readonly 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperQuotasUrl: null, 
           /** 
            * The URL for the DataONE Bookkeeper Usages API, e.g. listUsages(), getUsage(), createUsage(), etc. 
            * This full URL is contructed using {@link AppModel#bookkeeperBaseUrl} when the AppModel is initialized. 
            * @readonly 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperUsagesUrl: null, 
           /** 
            * The URL for the DataONE Bookkeeper Subscriptions API, e.g. listSubscriptions(), fetchSubscription(), createSubscription(), etc. 
            * This full URL is contructed using {@link AppModel#bookkeeperBaseUrl} when the AppModel is initialized. 
            * @readonly 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperSubscriptionsUrl: null, 
           /** 
            * The URL for the DataONE Bookkeeper Customers API, e.g. listCustomers(), getCustomer(), createCustomer(), etc. 
            * This full URL is contructed using {@link AppModel#bookkeeperBaseUrl} when the AppModel is initialized. 
            * @readonly 
            * @type {string} 
            * @since 2.14.0 
            */ 
           bookkeeperCustomersUrl: null, 
           /** 
            * The name of the DataONE Plus membership plan, which is used in messaging throughout the UI. 
            * This is only used if the enableBookkeeperServices setting is set to true. 
            * @type {string} 
            * @default "DataONE Plus" 
            */ 
           dataonePlusName: "DataONE Plus", 
           //These two DataONE Plus Preview attributes are for a special DataONE Plus tag of MetacatUI 
           // and won't be released in an offical MetacatUI version, since they will be replaced by bookkeeper 
           dataonePlusPreviewMode: false, 
           dataonePlusPreviewPortals: [], 
           /* 
            * List of Repositories that are DataONE Hosted Repos. 
            * DataONE Hosted Repo features are displayed only for these members. 
            * @type {string[]} 
            * @readonly 
            * @since 2.13.0 
            * ------------------------------------ 
            * This config will not be displayed in the JSDoc documentation since it is 
            * temporary and only useful for internal DataONE purposes. This functionality will be replaced 
            * with the DataONE Bookkeeper service, eventually. 
            */ 
           dataoneHostedRepos: [ 
             "urn:node:KNB", 
             "urn:node:ARCTIC", 
             "urn:node:CA_OPC", 
             "urn:node:ESS_DIVE", 
             "urn:node:CERP_SFWMD", 
           ], 
           /** 
            * The length of random portal label generated during preview/trial mode of DataONE Plus 
            * @readonly 
            * @type {number} 
            * @default 7 
            * @since 2.14.0 
            */ 
           randomLabelNumericLength: 7, 
           /** 
            * If enabled (by setting to true), Cesium maps will be used in the interface. 
            * If a {@link AppConfig#cesiumToken} is not provided, Cesium features will be disabled. 
            * @type {boolean} 
            * @default false 
            * @since 2.18.0 
            */ 
           enableCesium: true, 
           /** 
            * Your Access Token for the Cesium API, which can be retrieved from 
            * {@link https://cesium.com/ion/tokens}. 
            * @type {string} 
            * @since 2.18.0 
            * @example eyJhbGciOiJIUzI1R5cCI6IkpXVCJ9.eyJqdGkiOiJmYzUwYjI0ZC0yN2Y4LTRiZjItOdCI6MTYwODIyNDg5MH0.KwCI2-4cHjFYXrR6-mUrwkhh1UdNARK7NxFLpFftjeg 
            */ 
           cesiumToken: "", 
           /** 
            * Your Access Token for the Bing Maps Imagery API, which can be retrieved from 
            * https://www.bingmapsportal.com/. Required if any Cesium layers use imagery 
            * directly from Bing. 
            * @type {string} 
            * @since 2.18.0 
            * @example AtZjkdlajkl_jklcCAO_1JYafsvAjU1nkd9jdD6CDnHyamndlasdt5CB7xs 
            */ 
           bingMapsKey: "", 
           /** 
            * Enable or disable showing the MeasurementTypeView in the Editor's 
            * attribute modal dialog. The {@link AppModel#bioportalAPIKey} must be set to a valid Bioportal 
            * API key for the ontology tree widget to work. 
            * @type {boolean} 
            * @since 2.17.0 
            * @default false 
            */ 
           enableMeasurementTypeView: false, 
           /** 
            * As of 2.22.0, the {@link DataCatalogView} is being soft-deprecated and replaced with the new {@link CatalogSearchView}. 
            * To give MetacatUI operators time to transition to the new {@link CatalogSearchView}, this configuration option can be 
            * enabled (by setting to `true`) and will tell MetacatUI to use the legacy {@link DataCatalogView}. It is highly suggested 
            * that MetacatUI operators switch to supporting the new {@link CatalogSearchView} as soon as possible as the legacy {@link DataCatalogView} 
            * will be fully deprecated and removed in the future. 
            * @since 2.22.0 
            * @type {boolean} 
            * @default false 
            */ 
           useDeprecatedDataCatalogView: true, 
           /** 
            * The following configuration options are deprecated or experimental and should only be changed by advanced users 
            */ 
           /** 
            * The URL for the DataONE log service. This service has been replaced with the DataONE metrics service 
            * (which has not been publicly released), so this configuration will be deprecated in the future. 
            * This URL is constructed dynamically upon AppModel intialization. 
            * @type {string} 
            * @deprecated 
            */ 
           d1LogServiceUrl: null, 
           /** 
            * This configuration option is deprecated. This is only used by the {@link DataCatalogView} and {@link DataCatalogViewWithFilters}, 
            * both of which have been replaced by the {@link CatalogSearchView}. The search mode is now controlled directly on the {@link CatalogSearchView} 
            * instead of controlled at the global level here. 
            * @deprecated 
            */ 
           searchMode: MetacatUI.mapKey ? "map" : "list", 
           /** 
            * This Bioportal REST API URL is used by the experimental and unsupported AnnotatorView to get multiple ontology class info at once. 
            * @deprecated 
            */ 
           //bioportalBatchUrl: "https://data.bioontology.org/batch" 
           /** 
            * The packageFormat is the identifier for the version of bagit used when downloading data packages. The format should 
            * not contain any additional characters after, for example a backslash. 
            * For hierarchical dowloads, use application%2Fbagit-1.0 
            * @type {string} 
            * @default "application%2Fbagit-1.0" 
            * @example application%2Fbagit-097 
            */ 
           packageFormat: "application%2Fbagit-1.0", 
         }, 
         MetacatUI.AppConfig, 
       ), 
       defaultView: "data", 
       initialize: function () { 
         //If no base URL is specified, then user the DataONE CN base URL 
         if (!this.get("baseUrl")) { 
           this.set("baseUrl", this.get("d1CNBaseUrl")); 
           this.set("d1Service", this.get("d1CNService")); 
         } 
         //Set the DataONE MN API URLs 
         this.set(this.getDataONEMNAPIs()); 
         //Determine if this instance of MetacatUI is pointing to a CN, rather than a MN 
         this.set("isCN", this.get("d1Service").indexOf("cn/v2") > 0); 
         this.set( 
           "metacatServiceUrl", 
           this.get("baseUrl") + this.get("context") + "/metacat", 
         ); 
         // Metadata quality report services 
         this.set("mdqSuitesServiceUrl", this.get("mdqBaseUrl") + "/suites/"); 
         this.set("mdqRunsServiceUrl", this.get("mdqBaseUrl") + "/runs/"); 
         //DataONE CN API 
         if (this.get("d1CNBaseUrl")) { 
           //Add a forward slash to the end of the base URL if there isn't one 
           var d1CNBaseUrl = this.get("d1CNBaseUrl"); 
           if (d1CNBaseUrl.charAt(d1CNBaseUrl.length - 1) == "/") { 
             d1CNBaseUrl = d1CNBaseUrl.substring(0, d1CNBaseUrl.length - 1); 
             this.set("d1CNBaseUrl", d1CNBaseUrl); 
           } 
           //Account services 
           if (typeof this.get("accountsUrl") != "undefined") { 
             this.set( 
               "accountsUrl", 
               d1CNBaseUrl + this.get("d1CNService") + "/accounts/", 
             ); 
             if (typeof this.get("pendingMapsUrl") != "undefined") 
               this.set( 
                 "pendingMapsUrl", 
                 this.get("accountsUrl") + "pendingmap/", 
               ); 
             if (typeof this.get("accountsMapsUrl") != "undefined") 
               this.set("accountsMapsUrl", this.get("accountsUrl") + "map/"); 
             if (typeof this.get("groupsUrl") != "undefined") 
               this.set( 
                 "groupsUrl", 
                 d1CNBaseUrl + this.get("d1CNService") + "/groups/", 
               ); 
           } 
           if (typeof this.get("d1LogServiceUrl") != "undefined") 
             this.set( 
               "d1LogServiceUrl", 
               d1CNBaseUrl + this.get("d1CNService") + "/query/logsolr/?", 
             ); 
           this.set( 
             "nodeServiceUrl", 
             d1CNBaseUrl + this.get("d1CNService") + "/node/", 
           ); 
           this.set( 
             "resolveServiceUrl", 
             d1CNBaseUrl + this.get("d1CNService") + "/resolve/", 
           ); 
           this.set( 
             "reserveServiceUrl", 
             d1CNBaseUrl + this.get("d1CNService") + "/reserve", 
           ); 
           //Token URLs 
           if (typeof this.get("tokenUrl") != "undefined") { 
             this.set("tokenUrl", d1CNBaseUrl + "/portal/" + "token"); 
             this.set( 
               "checkTokenUrl", 
               d1CNBaseUrl + this.get("d1CNService") + "/diag/subject", 
             ); 
             //The sign-in and out URLs - allow these to be turned off by removing them in the defaults above (hence the check for undefined) 
             if ( 
               this.get("enableCILogonSignIn") || 
               typeof this.get("signInUrl") !== "undefined" 
             ) 
               this.set( 
                 "signInUrl", 
                 d1CNBaseUrl + "/portal/" + "startRequest?target=", 
               ); 
             if (typeof this.get("signInUrlOrcid") !== "undefined") 
               this.set( 
                 "signInUrlOrcid", 
                 d1CNBaseUrl + "/portal/" + "oauth?action=start&target=", 
               ); 
             if (this.get("enableLdapSignIn") && !this.get("signInUrlLdap")) { 
               this.set( 
                 "signInUrlLdap", 
                 d1CNBaseUrl + "/portal/" + "ldap?target=", 
               ); 
             } 
             if (this.get("orcidBaseUrl")) 
               this.set( 
                 "orcidSearchUrl", 
                 this.get("orcidBaseUrl") + "/v1.1/search/orcid-bio?q=", 
               ); 
             if ( 
               typeof this.get("signInUrl") !== "undefined" || 
               typeof this.get("signInUrlOrcid") !== "undefined" 
             ) 
               this.set("signOutUrl", d1CNBaseUrl + "/portal/" + "logout"); 
           } 
           // Object format list 
           if (typeof this.get("formatsUrl") != "undefined") { 
             this.set( 
               "formatsServiceUrl", 
               d1CNBaseUrl + this.get("d1CNService") + this.get("formatsUrl"), 
             ); 
           } 
           //ORCID search 
           if (typeof this.get("orcidBaseUrl") != "undefined") 
             this.set( 
               "orcidSearchUrl", 
               this.get("orcidBaseUrl") + "/search/orcid-bio?q=", 
             ); 
         } 
         // Metadata quality report services 
         this.set("mdqSuitesServiceUrl", this.get("mdqBaseUrl") + "/suites/"); 
         this.set("mdqRunsServiceUrl", this.get("mdqBaseUrl") + "/runs/"); 
         this.set("mdqScoresServiceUrl", this.get("mdqBaseUrl") + "/scores/"); 
         //Construct the DataONE Bookkeeper service API URLs 
         if (this.get("enableBookkeeperServices")) { 
           this.set( 
             "bookkeeperSubscriptionsUrl", 
             this.get("bookkeeperBaseUrl") + "/subscriptions", 
           ); 
           this.set( 
             "bookkeeperCustomersUrl", 
             this.get("bookkeeperBaseUrl") + "/customers", 
           ); 
           this.set( 
             "bookkeeperQuotasUrl", 
             this.get("bookkeeperBaseUrl") + "/quotas", 
           ); 
           this.set( 
             "bookkeeperUsagesUrl", 
             this.get("bookkeeperBaseUrl") + "/usages", 
           ); 
         } 
         //Construct the Fluid Earth Fever URL 
         if ( 
           this.get("enableFeverVisualizations") && 
           this.get("feverPath") && 
           !this.get("feverUrl") 
         ) { 
           this.set("feverUrl", this.get("baseUrl") + this.get("feverPath")); 
         } 
         this.on("change:pid", this.changePid); 
         //For backward-compatbility, set the theme and themeTitle variables using the 
         // attributes set on this model, which are taken from the AppConfig 
         MetacatUI.theme = this.get("theme"); 
         MetacatUI.themeTitle = this.get("repositoryName"); 
         //Set up the alternative repositories 
         _.map( 
           this.get("alternateRepositories"), 
           function (repo) { 
             repo = _.extend(repo, this.getDataONEMNAPIs(repo.baseURL)); 
           }, 
           this, 
         ); 
       }, 
       /** 
        * Constructs the DataONE API URLs for the given baseUrl 
        * @param {string} [baseUrl] - The baseUrl to use in the URLs. If not specified, it uses the AppModel attributes. 
        * @returns {object} 
        */ 
       getDataONEMNAPIs: function (baseUrl) { 
         var urls = {}; 
         //Get the baseUrl from this model if one isn't given 
         if (typeof baseUrl == "undefined") { 
           var baseUrl = this.get("baseUrl"); 
         } 
         //Remove a forward slash to the end of the base URL if there is one 
         if (baseUrl.charAt(baseUrl.length - 1) == "/") { 
           baseUrl = baseUrl.substring(0, baseUrl.length - 1); 
         } 
         //If the baseUrl doesn't have the full DataONE MN API structure, then construct it 
         if (baseUrl.indexOf("/d1/mn") == -1) { 
           //Get the Dataone API fragment, which is either "/d1/mn/v2" or "/cn/v2" 
           var d1Service = this.get("d1Service"); 
           if (typeof d1Service != "string" || !d1Service.length) { 
             d1Service = "/d1/mn/v2"; 
           } else if (d1Service.charAt(0) != "/") { 
             d1Service = "/" + d1Service; 
           } 
           //Get the Metacat context, and make sure it starts with a forward slash 
           var context = this.get("context"); 
           if (typeof context != "string" || !context.length) { 
             context = ""; 
           } else if (context.charAt(0) != "/") { 
             context = "/" + context; 
           } 
           //Construct the base URL 
           baseUrl = baseUrl + context + d1Service; 
         } 
         //Otherwise, just make sure the API version is appended to the base URL 
         else if (baseUrl.substring(baseUrl.length - 3) != "/v2") { 
           d1Service = "/d1/mn"; 
           baseUrl = baseUrl + "/v2"; 
         } 
         // these are pretty standard, but can be customized if needed 
         urls.viewServiceUrl = baseUrl + "/views/metacatui/"; 
         urls.publishServiceUrl = baseUrl + "/publish/"; 
         urls.authServiceUrl = baseUrl + "/isAuthorized/"; 
         urls.queryServiceUrl = baseUrl + "/query/solr/?"; 
         urls.metaServiceUrl = baseUrl + "/meta/"; 
         urls.packageServiceUrl = 
           baseUrl + "/packages/" + this.get("packageFormat") + "/"; 
         if (d1Service.indexOf("mn") > 0) { 
           urls.objectServiceUrl = baseUrl + "/object/"; 
         } 
         if (this.get("enableMonitorStatus")) { 
           urls.monitorStatusUrl = baseUrl + "/monitor/status"; 
         } 
         return urls; 
       }, 
       changePid: function (model, name) { 
         this.set("previousPid", model.previous("pid")); 
       }, 
       /** 
        * Gets the currently-active alternative repository that is configured in this AppModel. 
        * @returns {object} 
        */ 
       getActiveAltRepo: function () { 
         //Get the alternative repositories to use for uploading objects 
         var altRepos = this.get("alternateRepositories"), 
           activeAltRepo; 
         //Get the active alt repo 
         if (altRepos.length && this.get("activeAlternateRepositoryId")) { 
           activeAltRepo = _.findWhere(altRepos, { 
             identifier: this.get("activeAlternateRepositoryId"), 
           }); 
           return activeAltRepo || null; 
         } else { 
           return null; 
         } 
       }, 
       /** 
        * Gets the default alternate repository and sets it as the active alternate repository. 
        * If a default alt repo ({@link AppConfig#defaultAlternateRepositoryId}) isn't configured, 
        * the first alt repo in the {@link AppConfig#alternateRepositories} list is used. 
        * @fires AppModel#change:activeAlternateRepositoryId 
        */ 
       setActiveAltRepo: function () { 
         //Get the alternative repositories to use for uploading objects 
         var altRepos = this.get("alternateRepositories"), 
           defaultAltRepo; 
         if (!altRepos.length) { 
           return; 
         } 
         //If a default alt repo is configured, set that as the active alt repo 
         if (this.get("defaultAlternateRepositoryId")) { 
           defaultAltRepo = _.findWhere(altRepos, { 
             identifier: this.get("defaultAlternateRepositoryId"), 
           }); 
           if (defaultAltRepo) { 
             this.set("activeAlternateRepositoryId", defaultAltRepo.identifier); 
           } 
         } 
         //Otherwise, use the first alt repo in the list 
         if (!defaultAltRepo) { 
           this.set("activeAlternateRepositoryId", altRepos[0].identifier); 
         } 
       }, 
       /** 
        * Get the config options for the Taxa Quick Add feature. IF a SID is 
        * configured, this will fetch the taxa from the repository. Otherwise, 
        * it will return the object set on the quickAddTaxa attribute. 
        */ 
       getQuickAddTaxa: function () { 
         var taxa = this.get("quickAddTaxa"); 
         if (typeof taxa === "object") return taxa; 
         if (typeof taxa !== "string") return null; 
         // Otherwise, fetch the DataONE Object 
         fetch(this.get("objectServiceUrl") + encodeURIComponent(taxa), { 
           method: "get", 
           headers: { 
             "Content-Type": "application/json", 
           }, 
         }) 
           .then((response) => response.json()) 
           .then((data) => { 
             this.set("quickAddTaxa", data); 
           }) 
           .catch((error) => { 
             console.log("Error fetching taxa", error); 
           }); 
       }, 
       /** 
        * Given a string of CSS and an associated unique ID, check whether that CSS file 
        * was already added to the document head, and add it if not. Prevents adding the 
        * CSS file multiple times if the view is loaded more than once. The first time each 
        * CSS path is added, we need to save a record of the event. It doesn't work to just 
        * search the document head for the style element to determine if the CSS has 
        * already been added, because views may be initialized too quickly, before the 
        * previous instance has had a chance to add the stylesheet element. 
        * @param {string} css A string containing CSS styles 
        * @param {string} id A unique ID for the CSS styles which has not been used 
        * anywhere else in the app. 
        */ 
       addCSS: function (css, id) { 
         try { 
           if (!MetacatUI.loadedCSS) { 
             MetacatUI.loadedCSS = []; 
           } 
           if (!MetacatUI.loadedCSS.includes(id)) { 
             MetacatUI.loadedCSS.push(id); 
             var style = document.createElement("style"); 
             style.id = id; 
             style.appendChild(document.createTextNode(css)); 
             document.querySelector("head").appendChild(style); 
           } 
         } catch (error) { 
           console.log( 
             "There was an error adding CSS to the app" + 
               ". Error details: " + 
               error, 
           ); 
         } 
       }, 
       /** 
        * Remove CSS from the app that was added using the {@link AppModel#addCSS} 
        * function. 
        * @param {string} id A unique ID for the CSS styles which has not been used 
        * anywhere else in the app. The same ID used to add the CSS with 
        * {@link AppModel#addCSS} 
        */ 
       removeCSS: function (id) { 
         try { 
           if (!MetacatUI.loadedCSS) { 
             MetacatUI.loadedCSS = []; 
           } 
           if (MetacatUI.loadedCSS.includes(id)) { 
             MetacatUI.loadedCSS = MetacatUI.loadedCSS.filter((e) => e !== id); 
             var sheet = document.querySelector("head #" + id); 
             if (sheet) { 
               sheet.remove(); 
             } 
           } 
         } catch (error) { 
           console.log( 
             "There was an error removing CSS from the app" + 
               ". Error details: " + 
               error, 
           ); 
         } 
       }, 
       /** 
        * Reset the web document's title to the default 
        * @since 2.25.0 
        */ 
       resetTitle: function () { 
         this.set("title", this.defaults.title); 
       }, 
       /** 
        * Reset the web document's description to the default 
        * @since 2.25.0 
        */ 
       resetDescription: function () { 
         this.set("description", this.defaults.description); 
       }, 
       /** 
        * Remove all DOI prefixes from a DOI string, including https, http, doi.org, 
        * dx.doi.org, and doi:. 
        * @param {string} str - The DOI string to remove prefixes from. 
        * @returns {string} - The DOI string without any prefixes. 
        * @since 2.26.0 
        */ 
       removeAllDOIPrefixes: function (str) { 
         if (!str) return ""; 
         // Remove https and http prefixes 
         str = str.replace(/^(https?:\/\/)?/, ""); 
         // Remove domain prefixes, like doi.org and dx.doi.org 
         str = str.replace(/^(doi\.org\/|dx\.doi\.org\/)/, ""); 
         // Remove doi: prefix 
         str = str.replace(/^doi:/, ""); 
         return str; 
       }, 
       /** 
        * Check if a string is a valid DOI. 
        * @param {string} doi - The string to check. 
        * @returns {boolean} - True if the string is a valid DOI, false otherwise. 
        * @since 2.26.0 
        */ 
       isDOI: function (str) { 
         try { 
           if (!str) return false; 
           str = this.removeAllDOIPrefixes(str); 
           const doiRegex = /^10\.[0-9]{4,}(?:[.][0-9]+)*\/[^\s"<>]+$/; 
           return doiRegex.test(str); 
         } catch (e) { 
           console.error("Error checking if string is a DOI", e); 
           return false; 
         } 
       }, 
       /** 
        * Get the URL for the online location of the object being cited when it 
        * has a DOI. If the DOI is not passed to the function, or if the string 
        * is not a DOI, then an empty string is returned. 
        * @param {string} str - The DOI string, handles both DOI and DOI URL, 
        * with or without prefixes 
        * @returns {string} - The DOI URL 
        * @since 2.23.0 
        */ 
       DOItoURL: function (str) { 
         if (!str) return ""; 
         str = this.removeAllDOIPrefixes(str); 
         if (!this.isDOI(str)) return ""; 
         return "https://doi.org/" + str; 
       }, 
       /** 
        * Get the DOI from a DOI URL. The URL can be http or https, can include the 
        * "doi:" prefix or not, and can use "dx.doi.org" or "doi.org" as the 
        * domain. If a string is not passed to the function, or if the string is 
        * not for a DOI URL, then an empty string is returned. 
        * @param {string} url - The DOI URL 
        * @returns {string} - The DOI string, including the "doi:" prefix 
        * @since 2.26.0 
        */ 
       URLtoDOI: function (url) { 
         if (!url) return ""; 
         const doiURLRegex = 
           /https?:\/\/(dx\.)?doi\.org\/(doi:)?(10\.[0-9]{4,}(?:[.][0-9]+)*\/[^\s"<>]+)/; 
         const doiURLMatch = url.match(doiURLRegex); 
         if (doiURLMatch) return "doi:" + doiURLMatch[3]; 
         return ""; 
       }, 
     }, 
   ); 
           /** If true, then archived content is available in the search index. 
            * Set to false if this MetacatUI is using a Metacat version before 2.10.0 
            * @type {boolean} 
            * @default true 
            */ 
@@ -1731,6 +1731,24 @@ define(["jquery", "underscore", "backbone"], function ($, _, Backbone) {
            */
           feverUrl: "",
 
+          /**
+           * A list of trusted content sources from which MetacatUI can safely
+           * embed external content. This property is used to define URLs or URL
+           * patterns that are considered secure for embedding content in
+           * iframes, especially when rendering user-generated Markdown content.
+           *
+           * Each source in the list can include wildcards (`*`) to match any
+           * subdomain or path. For example, `"https://*.dataone.org/*"` matches
+           * any subdomain of `dataone.org` over HTTPS, and `"*arcticdata.io*"`
+           * matches any URL containing `arcticdata.io`.
+           *
+           * Set to an empty array or a falsy value to disable all embedded content.
+           *
+           * @type {string[]}
+           * @since 0.0.0
+           */
+          trustedContentSources: [],
+
           /** If true, then archived content is available in the search index.
            * Set to false if this MetacatUI is using a Metacat version before 2.10.0
            * @type {boolean}

src/js/themes/arctic/config.js

 ); 
 MetacatUI.AppConfig = Object.assign( 
   { 
     root: "/catalog", 
     theme: "arctic", 
     baseUrl: "https://arcticdata.io", 
     bioportalAPIKey: "", 
     repositoryName: "Arctic Data Center", 
     emailContact: "[email protected]", 
     nodeId: "urn:node:ARCTIC", 
     //Metadata quality 
     mdqSuiteIds: ["arctic.data.center.suite-1.2.0", "FAIR-suite-0.4.0"], 
     mdqSuiteLabels: [ 
       "Arctic Data Center Conformance Suite v1.2", 
       "FAIR Suite v0.4.0", 
     ], 
     mdqFormatIds: ["eml*", "https://eml*"], 
     displayDatasetQualityMetric: true, 
     //Portals 
     hideSummaryCitationsChart: false, 
     hideSummaryDownloadsChart: false, 
     hideSummaryViewsChart: false, 
     hideSummaryMetadataAssessment: false, 
     enableFeverVisualizations: true, 
     portalInfoURL: "https://arcticdata.io/data-portals/", 
     portalLimit: 999, 
     //Editor 
     useNSFAwardAPI: true, 
     defaultAccessPolicy: [ 
       { 
         subject: "CN=arctic-data-admins,DC=dataone,DC=org", 
         read: true, 
         write: true, 
         changePermission: true, 
       }, 
     ], 
     enablePublishDOI: false, 
     hiddenSubjectsInAccessPolicy: ["CN=arctic-data-admins,DC=dataone,DC=org"], 
     showDatasetPublicToggleForSubjects: [ 
       "CN=arctic-data-admins,DC=dataone,DC=org", 
     ], 
     editorSaveErrorMsgWithDraft: 
       "Not all of your changes could be submitted " + 
       "due to a technical error. But, we sent a draft of your edits to " + 
       "our support team, who will contact " + 
       "you via email as soon as possible about getting your data package submitted. ", 
     emlEditorRequiredFields: { 
       abstract: true, 
       alternateIdentifier: false, 
       dataSensitivity: true, 
       funding: true, 
       generalTaxonomicCoverage: false, 
       geoCoverage: true, 
       intellectualRights: true, 
       keywordSets: false, 
       methods: true, 
       samplingDescription: false, 
       studyExtentDescription: false, 
       taxonCoverage: false, 
       temporalCoverage: true, 
       title: true, 
       contact: true, 
     }, 
     emlEditorRequiredFields_EMLParty: { 
       contact: ["email"], 
     }, 
     allowChangeRightsHolder: false, 
     enableMeasurementTypeView: true, 
     dataSensitivityInfoURL: "/sensitive-data-guidelines", 
     customEMLMethods: [ 
       { 
         titleOptions: ["Ethical Research Practices"], 
         id: "ethicalResearchPractices", 
         required: true, 
       }, 
     ], 
     //Searching 
     enableSolrJoins: true, 
     mapKey: "AIzaSyCYoTkUEpMAiOoWx5M61ButwgNGX8fIHUs", 
     searchMapTileHue: "231", 
     defaultSearchFilters: [ 
       "all", 
       "attribute", 
       "annotation", 
       "creator", 
       "dataYear", 
       "pubYear", 
       "id", 
       "taxon", 
       "spatial", 
       "isPrivate", 
     ], 
     // CesiumMap 
     enableCesium: true, 
     cesiumToken: 
       "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiJiMTE3MTBiYy1iODY1LTQxNjMtODUzNS0yMzM1NGE3M2JhMWIiLCJpZCI6NjkzOTcsImlhdCI6MTY3ODkwMDg5M30.xzIlG_tPIzB9FmYPzPTzOJ49R2J4yIG2y0ittFqdbMc", 
     useDeprecatedDataCatalogView: false, 
     catalogSearchMapOptions: { 
       clickFeatureAction: "zoom", 
       homePosition: { 
         height: 6582600, 
         longitude: 11.918396, 
         latitude: 89.699918, 
         heading: 360, 
         pitch: -90, 
         roll: 0, 
       }, 
       layers: [ 
         { 
           type: "CesiumGeohash", 
           visible: true, 
           colorPalette: { 
             paletteType: "continuous", 
             property: "count", 
             colors: [ 
               { 
                 value: 0, 
                 color: "#FFFFFF00", 
               }, 
               { 
                 value: 1, 
                 color: "#f5b9424d", 
               }, 
               { 
                 value: "max", 
                 color: "#f5a142", 
               }, 
             ], 
           }, 
         }, 
         { 
           type: "OpenStreetMapImageryProvider", 
           label: "Open Street Map", 
           visible: true, 
         }, 
         { 
           type: "IonImageryProvider", 
           label: "Bing Maps", 
           cesiumOptions: { 
             ionAssetId: 3, 
           }, 
           visible: false, 
         }, 
       ], 
     }, 
     defaultFilterGroups: [ 
       { 
         label: "", 
         filters: [ 
           { 
             fields: ["attribute"], 
             label: "Data attribute", 
             placeholder: "density, length, etc.", 
             icon: "table", 
             description: "Measurement type, e.g. density, temperature, species", 
           }, 
           { 
             fields: ["sem_annotation"], 
             label: "Annotation", 
             placeholder: "Search for class...", 
             icon: "tag", 
             description: "Semantic annotations", 
           }, 
           { 
             fields: ["originText"], 
             label: "Creator", 
             placeholder: "Name", 
             icon: "user", 
             description: "The name of the creator or originator of a dataset", 
           }, 
           { 
             filterType: "DateFilter", 
             fields: ["datePublished", "dateUploaded"], 
             label: "Publish year", 
             rangeMin: 1800, 
             icon: "calendar", 
             description: 
               "Only show results that were published within the year range", 
           }, 
           { 
             filterType: "DateFilter", 
             fields: ["beginDate"], 
             label: "Year of data coverage", 
             rangeMin: 1800, 
             icon: "calendar", 
             description: 
               "Only show results with data collected within the year range", 
           }, 
           { 
             fields: ["identifier", "documents", "resourceMap", "seriesId"], 
             label: "Identifier", 
             placeholder: "DOI or ID", 
             icon: "bullseye", 
             description: 
               "Find datasets if you have all or part of its DOI or ID", 
             operator: "OR", 
             fieldsOperator: "OR", 
           }, 
           { 
             fields: [ 
               "kingdom", 
               "phylum", 
               "class", 
               "order", 
               "family", 
               "genus", 
               "species", 
             ], 
             label: "Taxon", 
             placeholder: "Class, family, etc.", 
             icon: "sitemap", 
             description: "Find data about any taxonomic rank", 
             matchSubstring: true, 
             fieldsOperator: "OR", 
           }, 
           { 
             fields: ["siteText"], 
             label: "Location", 
             placeholder: "Geographic region", 
             icon: "globe", 
             description: 
               "The geographic region or study site, as described by the submitter", 
           }, 
           { 
             fields: ["isPublic"], 
             label: "Access", 
             icon: "lock", 
             description: 
               "Check this to only show private datasets. You need to be loggied in to view private datasets.", 
             filterType: "ToggleFilter", 
             placeholder: "Private datasets only", 
             falseLabel: null, 
             trueValue: "true", 
             trueLabel: "Private datasets only", 
             matchSubstring: false, 
             exclude: true, 
           }, 
         ], 
       }, 
     ], 
     //Temp message 
     temporaryMessage: "", 
     temporaryMessageStartTime: null, 
     temporaryMessageEndTime: new Date("2020-06-16T13:30:00"), 
     temporaryMessageClasses: "warning", 
     temporaryMessageContainer: "#Navbar", 
     //MetadataView 
     datasetMapFillColor: "", 
     //Google Analytics 
     googleAnalyticsKey: "G-12EKQM14SH", 
     // iFrames in portals 
     trustedContentSources: [ 
       "https://*arcticdata.io", 
       "https://cosima.nceas.ucsb.edu*", 
     ], 
   }, 
   MetacatUI.AppConfig || {}, 
 ); 
@@ -260,6 +260,12 @@ MetacatUI.AppConfig = Object.assign(
 
     //Google Analytics
     googleAnalyticsKey: "G-12EKQM14SH",
+
+    // iFrames in portals
+    trustedContentSources: [
+      "https://*arcticdata.io",
+      "https://cosima.nceas.ucsb.edu*",
+    ],
   },
   MetacatUI.AppConfig || {},
 );

src/js/themes/dataone/config.js

 ); 
 MetacatUI.AppConfig = Object.assign( 
   { 
     root: "/", 
     title: "DataONE Data Catalog", 
     theme: "dataone", 
     baseUrl: "https://search.dataone.org", 
     mapKey: "AIzaSyB61wRRIFZngUXO81ipq3ljUjsClKcT9mk", 
     repositoryName: "DataONE Data Catalog", 
     emailContact: "[email protected]", 
     nodeId: "urn:node:CN", 
     d1Service: "/cn/v2", 
     metacatContext: "", 
     enableMonitorStatus: false, 
     enableCILogonSignIn: false, 
     showSignInHelp: false, 
     //Temp message 
     temporaryMessageContainer: "#Navbar", 
     //Searching 
     displayRepoLogosInSearchResults: true, 
     disableQueryPOSTs: false, 
     enableSolrJoins: true, 
     defaultSearchFilters: [ 
       "all", 
       "attribute", 
       "annotation", 
       "documents", 
       "dataSource", 
       "creator", 
       "dataYear", 
       "pubYear", 
       "id", 
       "taxon", 
       "spatial", 
       "isPrivate", 
     ], 
     bioportalAPIKey: "", 
     //Submissions 
     contentIsModerated: false, 
     displayDatasetEditButton: false, 
     displayDatasetControls: false, 
     enablePublishDOI: false, 
     allowChangeRightsHolder: false, 
     defaultAccessPolicy: [ 
       { 
         subject: "CN=DataONE-Support,DC=dataone,DC=org", 
         read: true, 
         write: true, 
         changePermission: true, 
       }, 
       { 
         subject: "public", 
         read: true, 
       }, 
     ], 
     hiddenSubjectsInAccessPolicy: ["CN=DataONE-Support,DC=dataone,DC=org"], 
     //Portals 
     hideSummaryCitationsChart: false, 
     hideSummaryDownloadsChart: false, 
     hideSummaryMetadataAssessment: false, 
     hideSummaryViewsChart: false, 
     enableCreatePortals: true, 
     enableBookkeeperServices: true, 
     dataonePlusPreviewMode: true, 
     portalLimit: 5, 
     portalInfoURL: "https://dataone.org/plus", 
     portalSearchFiltersInfoURL: "https://dataone.org/custom-search", 
     portalDefaults: { 
       sections: [{ label: "About", title: "About our project" }], 
       newPortalActiveSectionLabel: "About", 
       sectionImageIdentifiers: [ 
         "urn:uuid:2cf173b9-4d95-4832-b1c0-bcc6b467343a", 
         "urn:uuid:5669b72e-1124-4afa-9b44-3ebd61801753", 
         "urn:uuid:4514ef43-a0a3-4d21-a428-ba38ae706bad", 
         "urn:uuid:241afa07-82a0-4522-abf5-e7614fc8dfb6", 
         "urn:uuid:dbd8645e-9200-431e-8e46-350984730cc2", 
       ], 
       primaryColor: "#16acc0", 
       primaryColorTransparent: "rgba(22, 172, 192, .7)", 
       secondaryColor: "#18556e", 
       secondaryColorTransparent: "rgba(24, 85, 110, .7)", 
       accentColor: "#EED268", 
       accentColorTransparent: "rgba(238, 210, 104, .7)", 
     }, 
     activeAlternateRepositoryId: "urn:node:mnUCSB1", 
     defaultAlternateRepositoryId: "urn:node:mnUCSB1", 
     alternateRepositories: [ 
       { 
         name: "DataONE UCSB Dedicated Replica Server", 
         identifier: "urn:node:mnUCSB1", 
         baseURL: "https://mn-ucsb-1.dataone.org/knb/d1/mn", 
       }, 
       { 
         name: "NSF Arctic Data Center Repository", 
         identifier: "urn:node:ARCTIC", 
         baseURL: "https://arcticdata.io/metacat/d1/mn", 
       }, 
       { 
         name: "KNB", 
         identifier: "urn:node:KNB", 
         baseURL: "https://knb.ecoinformatics.org/knb/d1/mn", 
       }, 
     ], 
     dataonePlusPreviewPortals: [ 
       { 
         seriesId: "urn:uuid:a9fccce6-80f7-4937-b3dc-3cf76280d4f7", 
         datasource: "urn:node:KNB", 
         label: "SASAP", 
       }, 
       { 
         seriesId: "urn:uuid:d6d8fc1f-a4d9-4c44-8305-a8c0c35f387e", 
         datasource: "urn:node:ARCTIC", 
         label: "toolik", 
       }, 
       { 
         seriesId: "urn:uuid:8cdb22c6-cb33-4553-93ca-acb6f5d53ee4", 
         datasource: "urn:node:ARCTIC", 
         label: "dbo", 
       }, 
       { 
         seriesId: "urn:uuid:06a249da-f9c8-4946-8be4-ac80883bbd22", 
         datasource: "urn:node:KNB", 
         label: "ecoblender", 
       }, 
       { 
         seriesId: "urn:uuid:2de4fa60-1a6f-4c59-b393-79f63bbcb62d", 
         datasource: "urn:node:mnUCSB1", 
         label: "dangermond", 
       }, 
       { 
         seriesId: "urn:uuid:138ff35b-f1e7-4b12-88e2-3a57bbaab073", 
         datasource: "urn:node:mnUCSB1", 
         label: "polderdemo", 
       }, 
       { 
         seriesId: "urn:uuid:5f4c470c-fcf8-481e-8ddb-3b08108504b0", 
         datasource: "urn:node:mnUCSB1", 
         label: "9434702", 
       }, 
       { 
         seriesId: "urn:uuid:dfbfc37d-e907-45e8-913f-acb88f1b2e64", 
         datasource: "urn:node:ARCTIC", 
         label: "QGreenland", 
       }, 
     ], 
     googleAnalyticsKey: "G-CR31GM016V", 
     //Dataset landing pages 
     displayDatasetEditButton: false, 
     displayDatasetControls: false, 
     displayDatasetQualityMetric: true, 
     // iFrames in portals 
     trustedContentSources: [ 
       "https://*ecoinformatics.org*", 
       "https://*arcticdata.io", 
       "https://cosima.nceas.ucsb.edu*", 
       "https://sasap-data.shinyapps.io/board_of_fisheries/", 
     ], 
   }, 
   MetacatUI.AppConfig || {}, 
 ); 
@@ -155,6 +155,14 @@ MetacatUI.AppConfig = Object.assign(
     displayDatasetEditButton: false,
     displayDatasetControls: false,
     displayDatasetQualityMetric: true,
+
+    // iFrames in portals
+    trustedContentSources: [
+      "https://*ecoinformatics.org*",
+      "https://*arcticdata.io",
+      "https://cosima.nceas.ucsb.edu*",
+      "https://sasap-data.shinyapps.io/board_of_fisheries/",
+    ],
   },
   MetacatUI.AppConfig || {},
 );

src/js/themes/knb/config.js

 ); 
 MetacatUI.AppConfig = Object.assign( 
   { 
     root: "/", 
     theme: "knb", 
     title: "KNB", 
     baseUrl: "https://knb.ecoinformatics.org", 
     metacatContext: "knb", 
     mapKey: "AIzaSyCFcgRnv0TwBEdAnTsG5rBbD6Hprrv_Yic", 
     googleAnalyticsKey: "G-JK039KFNBC", 
     repositoryName: "KNB", 
     nodeId: "urn:node:KNB", 
     enableLdapSignIn: true, 
     //Editor 
     emlEditorRequiredFields: { 
       abstract: true, 
       alternateIdentifier: false, 
       funding: false, 
       generalTaxonomicCoverage: false, 
       geoCoverage: true, 
       intellectualRights: true, 
       keywordSets: false, 
       methods: false, 
       samplingDescription: false, 
       studyExtentDescription: false, 
       taxonCoverage: false, 
       temporalCoverage: true, 
       title: true, 
     }, 
     emlEditorRequiredFields_EMLParty: { 
       contact: ["email"], 
     }, 
     defaultAccessPolicy: [ 
       { 
         subject: "CN=knb-data-admins,DC=dataone,DC=org", 
         read: true, 
         write: true, 
         changePermission: true, 
       }, 
       { 
         subject: "public", 
         read: true, 
       }, 
     ], 
     hiddenSubjectsInAccessPolicy: ["CN=knb-data-admins,DC=dataone,DC=org"], 
     allowChangeRightsHolder: false, 
     enableMeasurementTypeView: true, 
     //Searching 
     disableQueryPOSTs: false, 
     enableSolrJoins: true, 
     displayRepoLogosInSearchResults: true, 
     defaultSearchFilters: [ 
       "all", 
       "attribute", 
       "annotation", 
       "documents", 
       "creator", 
       "dataYear", 
       "pubYear", 
       "id", 
       "taxon", 
       "spatial", 
       "isPrivate", 
     ], 
     //Temp message 
     temporaryMessage: "", 
     temporaryMessageClasses: "warning auto-height-member", 
     temporaryMessageContainer: "#HeaderContainer", 
     temporaryMessageEndTime: new Date("2020-06-16T13:30:00"), 
     //Metadata assessments 
     displayDatasetQualityMetric: true, 
     mdqSuiteIds: ["FAIR-suite-0.4.0"], 
     mdqSuiteLabels: ["FAIR Suite v0.4.0"], 
     mdqFormatIds: ["eml*", "https://eml*"], 
     //Portals 
     hideSummaryCitationsChart: false, 
     hideSummaryDownloadsChart: false, 
     hideSummaryViewsChart: false, 
     hideSummaryMetadataAssessment: false, 
     limitPortalsToSubjects: ["CN=knb-data-admins,DC=dataone,DC=org"], 
     portalEditNotAuthCreateMessage: 
       "Creating new portals is a feature currently only available to a select group of Beta testers. You should still be able to access your existing portals. Please contact us with any questions at the email address below.", 
     // iFrames in portals 
     trustedContentSources: [ 
       "https://*ecoinformatics.org*", 
       "https://cosima.nceas.ucsb.edu*", 
       "https://sasap-data.shinyapps.io/board_of_fisheries/", 
     ], 
   }, 
   MetacatUI.AppConfig, 
 ); 
@@ -89,6 +89,13 @@ MetacatUI.AppConfig = Object.assign(
     limitPortalsToSubjects: ["CN=knb-data-admins,DC=dataone,DC=org"],
     portalEditNotAuthCreateMessage:
       "Creating new portals is a feature currently only available to a select group of Beta testers. You should still be able to access your existing portals. Please contact us with any questions at the email address below.",
+
+    // iFrames in portals
+    trustedContentSources: [
+      "https://*ecoinformatics.org*",
+      "https://cosima.nceas.ucsb.edu*",
+      "https://sasap-data.shinyapps.io/board_of_fisheries/",
+    ],
   },
   MetacatUI.AppConfig,
 );

src/js/views/MarkdownView.js

@@ -179,6 +179,7 @@ define([
           "footnotes",
           "showdown-citation",
           "showdown-images",
+          "showdown-iframes",
         ];
 
         var numTestsTodo = SDextensions.length;
@@ -219,6 +220,8 @@ define([
           regexCitation = /\[@.+\]/;
         // test for any <h.> tags
         (regexHtags = new RegExp("#\\s")), (regexImages = /!\[.*\]\(\S+\)/);
+        // test for anything that looks like an iframe. Keep it very general.
+        const regexIframes = /<iframe.*?src="(.*?)"(.*?)><\/iframe>/g;
 
         // ================================================================
         // Test for and load each as required each showdown extension
@@ -342,6 +345,15 @@ define([
         } else {
           updateExtensionList("showdown-images", (required = false));
         }
+
+        // --- Test for iframes --- //
+        if (regexIframes.test(markdown)) {
+          require(["showdownIframes"], function (showdownIframes) {
+            updateExtensionList("showdown-iframes", (required = true));
+          });
+        } else {
+          updateExtensionList("showdown-iframes", (required = false));
+        }
       },
 
       /**