code: public ApiResponse<PostValidateImportResponse> postValidateImportWithHttpInfo() throws ApiException {
          com.squareup.okhttp.Call call = postValidateImportValidateBeforeCall(null, null);
          Type localVarReturnType = new TypeToken<PostValidateImportResponse>(){}.getType();
          return apiClient.execute(call, localVarReturnType);
      }
docs: Post Validate Import.
  post validate import
  @return ApiResponse&lt;PostValidateImportResponse&gt;
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body