@interface AVMIDIControlChangeEvent : AVMIDIChannelEvent @property (readonly) long long messageType; @property (readonly) unsigned int value; - (id)initWithMessage:(struct MIDIChannelMessage { unsigned char x0; unsigned char x1; unsigned char x2; unsigned char x3; } *)a0; - (id)initWithChannel:(unsigned int)a0 messageType:(long long)a1 value:(unsigned int)a2; @end