class ActionDispatch::Request::Session

def load!
  if enabled?
    @id_was_initialized = true unless exists?
    id, session = @by.load_session @req
    options[:id] = id
    @delegate.replace(session.stringify_keys)
    @id_was = id unless @id_was_initialized
  end
  @id_was_initialized = true
  @loaded = true
end