初始化提交

WebDriverAgentLib/Utilities/FBTVNavigationTracker-Private.h

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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.
+ */
+
+#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