@interface _PFAbstractString : NSString + (id)allocWithZone:(struct _NSZone { } *)a0; + (BOOL)accessInstanceVariablesDirectly; + (Class)classForKeyedUnarchiver; + (id)alloc; - (void)dealloc; - (const char *)cString; - (Class)classForCoder; - (id)description; - (const char *)_fastCStringContents:(BOOL)a0; - (unsigned long long)smallestEncoding; - (unsigned long long)fastestEncoding; - (const unsigned short *)_fastCharacterContents; - (id)mutableCopyWithZone:(struct _NSZone { } *)a0; - (const char *)cStringUsingEncoding:(unsigned long long)a0; @end