@interface AVCaptureDeviceControlRequest : NSObject @property (readonly, copy, nonatomic) id /* block */ completionBlock; @property (readonly, nonatomic) int requestID; @property (nonatomic) int errorCode; + (id)deviceControlRequestWithCompletionBlock:(id /* block */)a0; - (void)dealloc; - (id)_initWithCompletionBlock:(id /* block */)a0; @end