@class NSString, MFDAMessageStore, MFError, NSData; @interface _MFDAMessageHeaderFetchConsumer : NSObject <MFDASyncResponseConsumer> @property (readonly, nonatomic) BOOL succeeded; @property (retain, nonatomic) MFError *error; @property (retain, nonatomic) NSData *data; @property (retain, nonatomic) MFDAMessageStore *store; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void).cxx_destruct; - (void)handleResponse:(id)a0 error:(id)a1; - (BOOL)wantsData; @end