def delete_face(large_face_list_id, persisted_face_id, custom_headers:nil)
      response = delete_face_async(large_face_list_id, persisted_face_id, custom_headers:custom_headers).value!
      nil
    end
def delete_face(large_face_list_id, persisted_face_id, custom_headers:nil)
      response = delete_face_async(large_face_list_id, persisted_face_id, custom_headers:custom_headers).value!
      nil
    end
Delete an existing face from a large face list (given by a persistedFaceId
 and a largeFaceListId). Persisted image related to the face will also be
 deleted.

 @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.