5 #ifndef FLUTTER_FLUTTERBINARYMESSENGER_H_
6 #define FLUTTER_FLUTTERBINARYMESSENGER_H_
8 #import <Foundation/Foundation.h>
54 setMessageHandlerOnChannel:(NSString*)channel
66 - (void)sendOnChannel:(NSString*)channel message:(NSData* _Nullable)message;
76 - (void)sendOnChannel:(NSString*)channel
77 message:(NSData* _Nullable)message
105 #endif // FLUTTER_FLUTTERBINARYMESSENGER_H_