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- /**
- * Copyright (c) 2018-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. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- */
- #import <Foundation/Foundation.h>
- #if TARGET_OS_TV
- @interface FBTVNavigationItem ()
- @property (nonatomic, readonly) NSString *uid;
- @property (nonatomic, readonly) NSMutableSet<NSNumber *>* directions;
- + (instancetype)itemWithUid:(NSString *) uid;
- @end
- @interface FBTVNavigationTracker ()
- - (FBTVDirection)horizontalDirectionWithItem:(FBTVNavigationItem *)item andDelta:(CGFloat)delta;
- - (FBTVDirection)verticalDirectionWithItem:(FBTVNavigationItem *)item andDelta:(CGFloat)delta;
- @end
- #endif
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