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      1 // RUN: %clang_cc1 -fsyntax-only -verify %s
      2 
      3 typedef signed char BOOL;
      4 typedef unsigned int NSUInteger;
      5 typedef struct _NSZone NSZone;
      6 @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
      7 @protocol NSObject  - (BOOL)isEqual:(id)object; @end
      8 @protocol NSCopying  - (id)copyWithZone:(NSZone *)zone; @end // expected-note {{method 'copyWithZone:' declared here}}
      9 @protocol NSMutableCopying  - (id)mutableCopyWithZone:(NSZone *)zone; @end
     10 @protocol NSCoding  - (void)encodeWithCoder:(NSCoder *)aCoder; @end
     11 @interface NSObject <NSObject> {} @end
     12 typedef struct {} NSFastEnumerationState;
     13 @protocol NSFastEnumeration  - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len; @end
     14 @interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>  - (NSUInteger)count; @end
     15 @interface NSMutableDictionary : NSDictionary  - (void)removeObjectForKey:(id)aKey; @end // expected-note {{receiver is instance of class declared here}}
     16 extern NSString * const NSTaskDidTerminateNotification;
     17 
     18 @interface XCPropertyExpansionContext : NSObject <NSCopying> {
     19   NSMutableDictionary * _propNamesToPropValuesCache;
     20 } @end
     21 
     22 @protocol XCPropertyValues <NSObject, NSCopying>
     23 - (NSString *)evaluateAsStringInContext:(XCPropertyExpansionContext *)context withNestingState:(const void *)state;
     24 @end
     25 
     26 @implementation XCPropertyExpansionContext // expected-warning {{method 'copyWithZone:' in protocol 'NSCopying' not implemented}}
     27 - (NSString *)expandedValueForProperty:(NSString *)property {
     28   id <XCPropertyValues> cachedValueNode = [_propNamesToPropValuesCache objectForKey:property]; // expected-warning {{method '-objectForKey:' not found (return type defaults to 'id')}}
     29   if (cachedValueNode == ((void *)0)) { }
     30   NSString * expandedValue = [cachedValueNode evaluateAsStringInContext:self withNestingState:((void *)0)];
     31   return expandedValue;
     32 }
     33 @end
     34