code: public ApiResponse<TagsEnvelope> getTagCategoriesWithHttpInfo() throws ApiException {
          com.squareup.okhttp.Call call = getTagCategoriesValidateBeforeCall(null, null);
          Type localVarReturnType = new TypeToken<TagsEnvelope>(){}.getType();
          return apiClient.execute(call, localVarReturnType);
      }
docs: Get all categories
  Get all tags marked as categories
  @return ApiResponse&lt;TagsEnvelope&gt;
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body