1. @DomName('Selection.modify')
  2. @DocsEditable()
  3. @Experimental()
void modify(
String alter,
String direction,
String granularity
)

Not documented.

Source

@DomName('Selection.modify')
@DocsEditable()
@Experimental() // non-standard
void modify(String alter, String direction, String granularity) => _blink.BlinkSelection.instance.modify_Callback_3_(unwrap_jso(this), alter, direction, granularity);