code: public ImageRegionCreateSummary createImageRegions(UUID projectId, CreateImageRegionsOptionalParameter createImageRegionsOptionalParameter) {
          return createImageRegionsWithServiceResponseAsync(projectId, createImageRegionsOptionalParameter).toBlocking().single().body();
      }
docs: Create a set of image regions.
  This API accepts a batch of image regions, and optionally tags, to update existing images with region information.
  There is a limit of 64 entries in the batch.
  
  @param projectId The project id
  @param createImageRegionsOptionalParameter the object representing the optional parameters to be set before calling this API
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the ImageRegionCreateSummary object if successful.