NMSettingsConnection @connection: @error: @user_data: @connection: @error: @user_data: @connection: @secrets: @error: @user_data: @connection: @callback: @user_data: @Returns: @connection: @callback: @user_data: @Returns: @connection: @setting_name: @hints: @request_new: @callback: @user_data: @Returns: @connection: