code: public ApiResponse<Void> saveEntitiesPostWithHttpInfo(SaveEntitiesRequest request) throws ApiException {
          com.squareup.okhttp.Call call = saveEntitiesPostValidateBeforeCall(request, null, null);
          return apiClient.execute(call);
      }
docs: Bulk Save Managed Entities
  This is used to batch save entities in order to provide optimized throughput.
  @param request Save Entities Request (required)
  @return ApiResponse&lt;Void&gt;
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body