@interface __NSPlaceholderDictionary : NSMutableDictionary + (id)allocWithZone:(struct _NSZone { } *)a0; - (id)retain; - (id)initWithDictionary:(id)a0 copyItems:(BOOL)a1; - (id)init; - (id)initWithObjects:(const id *)a0 forKeys:(const id *)a1 count:(unsigned long long)a2; - (void)dealloc; - (unsigned long long)retainCount; - (id)initWithCapacity:(unsigned long long)a0; - (id)initWithContentsOfFile:(id)a0; - (id)keyEnumerator; - (id)initWithContentsOfURL:(id)a0; - (void)setObject:(id)a0 forKey:(id)a1; - (unsigned long long)count; - (void)removeObjectForKey:(id)a0; - (id)objectForKey:(id)a0; - (oneway void)release; @end