Some target frameworks declared in the dependencies group of the nuspec and the lib/ref folder do not have exact matches in the other location. Consult the list of actions below:

- Add lib or ref assemblies for the netstandard2.0 target framework

The type 'T' cannot be used as type parameter 'T' in the generic type or method 'CsvSerializer.Serialize<T>(IEnumerable<T>, bool, char, IFormatProvider?)'. Nullability of type argument 'T' doesn't match 'notnull' constraint.

Some target frameworks declared in the dependencies group of the nuspec and the lib/ref folder do not have exact matches in the other location. Consult the list of actions below:

- Add lib or ref assemblies for the netstandard2.0 target framework