System/Library/PrivateFrameworks/ActionKit.framework

WFAddNewCalendarAction.h

NSObject
>
WFAction

@interface WFAddNewCalendarAction : WFAction

- (void)runAsynchronouslyWithInput:(id)a0;
- (void)finishWithCalendar:(id)a0 error:(id)a1;
- (id)preferredSourceWithStore:(id)a0;

@end