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//
// TestStateMachineTarget.h
// SmartDeviceLink-iOS
//
// Created by Joel Fischer on 6/29/16.
// Copyright © 2016 smartdevicelink. All rights reserved.
//
#import <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN
typedef NSString TestStateMachineTransitionType;
extern TestStateMachineTransitionType *const SDLStateMachineTransitionTypeWillLeave;
extern TestStateMachineTransitionType *const SDLStateMachineTransitionTypeWillTransition;
extern TestStateMachineTransitionType *const SDLStateMachineTransitionTypeDidTransition;
extern TestStateMachineTransitionType *const SDLStateMachineTransitionTypeDidEnter;
/**
* Callback block that fires whenever one of the TestStateMachineTarget class' state transition methods is called.
*
* @param type The type of the transition. One of 'willLeave', 'willTransition', 'didTransition', or 'didEnter'
* @param oldState The old state, if available
* @param newState The new state, if available
*/
typedef void (^TestStateMachineCallback)(NSString *type, NSString *__nullable oldState, NSString *__nullable newState);
@interface TestStateMachineTarget : NSObject
@property (copy, nonatomic) TestStateMachineCallback callback;
@end
NS_ASSUME_NONNULL_END
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