/** * Copyright (c) 2015-present, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. */ #import "FBWebServerParams.h" @implementation FBWebServerParams + (instancetype)sharedInstance { static FBWebServerParams *instance; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ instance = [[self alloc] init]; }); return instance; } @end