def list_custom_prebuilt_entities(app_id, version_id, custom_headers:nil)
      response = list_custom_prebuilt_entities_async(app_id, version_id, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def list_custom_prebuilt_entities(app_id, version_id, custom_headers:nil)
      response = list_custom_prebuilt_entities_async(app_id, version_id, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Gets all prebuilt entities used in a version of the application.

 @param app_id The application ID.
 @param version_id [String] The version ID.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [Array] operation results.