docs: public com.squareup.okhttp.Call getUniverseCategoriesCategoryIdAsync(Integer categoryId, String acceptLanguage,
              String datasource, String ifNoneMatch, String language, final ApiCallback<CategoryResponse> callback)
              throws ApiException {
  
          com.squareup.okhttp.Call call = getUniverseCategoriesCategoryIdValidateBeforeCall(categoryId, acceptLanguage,
                  datasource, ifNoneMatch, language, callback);
          Type localVarReturnType = new TypeToken<CategoryResponse>() {
          }.getType();
          apiClient.executeAsync(call, localVarReturnType, callback);
          return call;
      }