CMTimeRange A structure that represents a time range. Declarationstruct CMTimeRange TopicsCreating Time Rangesinit()init(start:duration:)init(start:end:)Inspecting Time RangesstartenddurationisValidisEmptyisIndefiniteFinding ElementscontainsTime(_:)containsTimeRange(_:)Combining Time Rangesintersection(_:)union(_:)ConstantszeroinvalidOperators!=(_:_:) RelationshipsConforms ToBitwiseCopyableCopyableEquatableEscapableHashableSendable