def get_face(large_face_list_id, persisted_face_id, custom_headers:nil)
      response = get_face_async(large_face_list_id, persisted_face_id, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def get_face(large_face_list_id, persisted_face_id, custom_headers:nil)
      response = get_face_async(large_face_list_id, persisted_face_id, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Retrieve information about a persisted face (specified by persistedFaceId and
 its belonging largeFaceListId).

 @param large_face_list_id [String] Id referencing a particular large face
 list.
 @param persisted_face_id Id referencing a particular persistedFaceId of an
 existing face.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [PersistedFace] operation results.