def get_image_region_proposals(project_id, image_id, custom_headers:nil)
      response = get_image_region_proposals_async(project_id, image_id, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def get_image_region_proposals(project_id, image_id, custom_headers:nil)
      response = get_image_region_proposals_async(project_id, image_id, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Get region proposals for an image. Returns empty array if no proposals are
 found.

 This API will get region proposals for an image along with confidences for
 the region. It returns an empty array if no proposals are found.

 @param project_id The project id.
 @param image_id The image id.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [ImageRegionProposal] operation results.