@class NSArray, NSMutableArray; @interface SKThreadSafeMutableArray : NSObject <NSCopying, NSMutableCopying, NSSecureCoding, NSFastEnumeration> { struct _opaque_pthread_mutex_t { long long __sig; char __opaque[56]; } _storageLock; NSMutableArray *_storage; } @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, weak) NSArray *arrayRepresentation; - (void)forwardInvocation:(id)a0; - (id)init; - (void)removeObjectsInArray:(id)a0; - (id)methodSignatureForSelector:(SEL)a0; - (id)description; - (void).cxx_destruct; - (id)copyWithZone:(struct _NSZone { } *)a0; - (id)initWithNSMutableArray:(id)a0; @end