/** * 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 NS_ASSUME_NONNULL_BEGIN @interface FBScreen : NSObject /** The scale factor of the main device's screen */ + (double)scale; @end NS_ASSUME_NONNULL_END