text: /*
                         * This header is generated by classdump-dyld 1.5
                         * on Tuesday, November 10, 2020 at 10:06:46 PM Mountain Standard Time
                         * Operating System: Version 14.2 (Build 18K57)
                         * Image Source: /System/Library/Frameworks/Foundation.framework/Foundation
                         * classdump-dyld is licensed under GPLv3, Copyright © 2013-2016 by Elias Limneos. Updated by Kevin Bradley.
                         */
  
  
  @interface __NSOperationInternalObserver : NSObject
  +(void)_observeValueForKeyPath:(id)arg1 ofObject:(id)arg2 changeKind:(unsigned long long)arg3 oldValue:(id)arg4 newValue:(id)arg5 indexes:(id)arg6 context:(void*)arg7 ;
  @end
  
  