private boolean handleTabCompletion(@Nonnull KeyEvent event) {
		return tabCompleter != null && tabCompleter.requestCompletion(event);
	}
Handle tab completion <i>(completion also works with enter key)</i>

@param event
		Key event where {@link KeyCode#TAB} or {@link KeyCode#ENTER} was pressed.

@return {@code true} when a completion was made.
recaf-ui/src/main/java/software/coley/recaf/ui/control/richtext/Editor.java