Associates a text container with the specified range of glyphs.
- iOS 7.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
The text container to set.
The range of glyphs to lay out.
This method is used by the layout mechanism and should be invoked only during typesetting, in almost all cases only by the typesetter. For example, a custom typesetter might invoke it.