Forces the receiver to perform layout for the specified text container, if it has not already done so.
- iOS 7.0+
- macOS 10.5+
- Mac Catalyst 13.0+
- tvOS 9.0+
The text container for which layout is performed.
The layout manager reserves the right to perform layout for larger ranges. If noncontiguous layout is disabled, then the affected range is always effectively extended to start at the beginning of the text.