@interface SGSqliteDatabaseSharedLock : NSObject {
struct _opaque_pthread_mutex_t { long long __sig; char __opaque[56]; } _lock;
}
@property (readonly, nonatomic) long long writeTransactionDepth;
- (id)init;
- (void)dealloc;
- (void)runWithLockAcquired:(id /* block */)a0;
@end