diff --git a/src/__tests__/codegen.test.ts b/src/__tests__/codegen.test.ts
index 8e1401a..8e07add 100644
--- a/src/__tests__/codegen.test.ts
+++ b/src/__tests__/codegen.test.ts
@@ -37,12 +37,13 @@ describe('codegen', () => {
               "file": "ct.mjs",
             },
             {
-              "code": "type PluginCtMapType = {
+              "code": "/* eslint-disable */
+      type PluginCtMapType = {
         'foo.100': '#fff';
         'foo.200': {"base":"#000","lg":"#111"};
         'bar.100': 'red';
         'bar.200': 'blue';};
-          export const ct: <T extends keyof PluginCtMapType>(alias: T) => PluginCtMapType[T];",
+          export declare const ct: <T extends keyof PluginCtMapType>(alias: T) => PluginCtMapType[T];",
               "file": "ct.d.ts",
             },
           ],
diff --git a/src/codegen.ts b/src/codegen.ts
index 014ba82..c974e46 100644
--- a/src/codegen.ts
+++ b/src/codegen.ts
@@ -34,8 +34,8 @@ export const codegen = (
 
   const ctDtsFile: ArtifactContent = {
     file: `ct.d.${dtsExt}`,
-    code: `type PluginCtMapType = {${serializeMapTypes(map)}};
-    export const ct: <T extends keyof PluginCtMapType>(alias: T) => PluginCtMapType[T];`,
+    code: `/* eslint-disable */\ntype PluginCtMapType = {${serializeMapTypes(map)}};
+    export declare const ct: <T extends keyof PluginCtMapType>(alias: T) => PluginCtMapType[T];`,
   };
 
   cssFn.files.push(ctFile, ctDtsFile);