SignatureType DefinitionInterface TimelineEditPolicyPropertiesNameSignatureDescriptioncanEditRange?(context: TimelineEditPolicyContext<TimelineInsertEditCommand | TimelineOverwriteEditCommand | TimelineDeleteRangeEditCommand | TimelineLiftRangeEditCommand>): TimelineEditValidationResult | undefinedRange rule for insert, overwrite, delete-range, and lift-range commands.canPlaceClip?(context: TimelineEditPolicyContext<TimelineMoveEditCommand | TimelineInsertEditCommand | TimelineOverwriteEditCommand>): TimelineEditValidationResult | undefinedPlacement rule for move, insert, and overwrite commands.canRippleTrack?(context: TimelineEditPolicyContext<TimelineRippleTrimEditCommand | TimelineDeleteRangeEditCommand>): TimelineEditValidationResult | undefinedRipple rule for ripple trims and range deletes that close gaps.canTrimClip?(context: TimelineEditPolicyContext<TimelineTrimEditCommand | TimelineRippleTrimEditCommand | TimelineRollTrimEditCommand>): TimelineEditValidationResult | undefinedTrim rule for trim, ripple-trim, and roll-trim commands.validateCommand?(context: TimelineEditPolicyContext): TimelineEditValidationResult | undefinedFinal command-level policy gate.