System/Library/PrivateFrameworks/ActionKit.framework
WFAppendUtilities.h
@interface WFAppendUtilities : NSObject
+ (id)fileByAppendingText:(id)a0 toFile:(id)a1 options:(unsigned long long)a2;
@end
System/Library/PrivateFrameworks/ActionKit.framework
@interface WFAppendUtilities : NSObject
+ (id)fileByAppendingText:(id)a0 toFile:(id)a1 options:(unsigned long long)a2;
@end