weft_dsl::enumTimerKindpub enum TimerKind { Every(Expr), After(Expr), Frame, }What sets a timer off.VariantsEveryEvery(Expr)every <seconds>AfterAfter(Expr)after <seconds>FrameFrameevery frameTrait implementationsimpl Clone for TimerKindimpl Debug for TimerKindimpl PartialEq for TimerKindimpl StructuralPartialEq for TimerKind