@class NSString; @interface NSRecursiveLock : NSObject <NSLocking> { struct { struct _opaque_pthread_mutex_t { long long __sig; char __opaque[56]; } m; struct _opaque_pthread_t *t; unsigned long long cnt; struct *cd; NSString *n; } _priv; } @property (copy) NSString *name; + (id)allocWithZone:(struct _NSZone { } *)a0; - (id)init; - (void)dealloc; - (void)lock; - (BOOL)lockBeforeDate:(id)a0; - (void)unlock; - (id)description; - (BOOL)tryLock; - (BOOL)isLocking; @end