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#ifndef NULLABILITY_H
#define NULLABILITY_H
@import Foundation;
_Nullable id getId1(void);
extern _Nullable id global_id;
@interface SomeClass
- (nonnull id)methodA:(nullable SomeClass *)obj;
- (nonnull id)methodB:(nullable int (^)(int, int))block;
- (nullable id)methodC;
@property (nullable) id property;
- (id)methodD __attribute__((returns_nonnull));
- (void)methodE:(SomeClass *) __attribute__((nonnull)) obj;
- (void)methodF:(SomeClass *)obj second:(SomeClass *)obj2 __attribute__((nonnull));
- (void)methodG:(SomeClass *)obj second:(SomeClass *)obj2 __attribute__((nonnull(1)));
-(nonnull NSString *)stringMethod;
-(nullable NSArray *)optArrayMethod;
+(nonnull instancetype)someClassWithInt:(int)x;
+(nullable SomeClass*)someClassWithDouble:(double)x;
-(nonnull instancetype)returnMe;
@property (null_resettable) NSString *defaultedProperty;
@property (nonnull) NSString *funnyProperty;
-(nullable NSString *)funnyProperty;
-(void)setFunnyProperty:(null_unspecified NSString *)value;
@end
#define NON_NULL_MACRO(...) __attribute__ ((nonnull(__VA_ARGS__)))
void compare_classes(SomeClass *sc1, SomeClass *sc2, SomeClass *sc3) NON_NULL_MACRO(1,2);
#endif
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