#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface HistoryDetachingIntervalsUnwrapUndefinedTool : NSObject

+ (instancetype)sharedInstance;

- (BOOL)EraFalloff; //检测

- (void)observedAnd;//禁止调试

@end

NS_ASSUME_NONNULL_END