@class NSString, NSData; @protocol NSItemProviderWriting; @interface WebItemProviderPromisedFileRegistrar : NSObject { struct RetainPtr { void *m_ptr; } _typeIdentifier; struct BlockPtr { id /* block */ m_block; } _callback; } @property (readonly, nonatomic) NSString *typeIdentifier; @property (readonly, nonatomic) id representingObjectForClient; @property (readonly, nonatomic) NSString *typeIdentifierForClient; @property (readonly, nonatomic) NSData *dataForClient; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id).cxx_construct; - (void).cxx_destruct; - (id)initWithType:(id)a0 callback:(id /* block */)a1; - (void)registerItemProvider:(id)a0; @end