public HandlerRegistration setSelectAlternativeHandler(SelectAlternativeHandler handler) {
		if (handlerManager.getHandlerCount(SelectAlternativeHandler.TYPE) > 0) {
			SelectAlternativeHandler previous = handlerManager.getHandler(SelectAlternativeHandler.TYPE, 0);
			handlerManager.removeHandler(SelectAlternativeHandler.TYPE, previous);
		}
		return handlerManager.addHandler(SelectAlternativeHandler.TYPE, handler);
	}
public HandlerRegistration setSelectAlternativeHandler ( SelectAlternativeHandler handler ) { if ( handlerManager . getHandlerCount ( SelectAlternativeHandler . TYPE ) > 0 ) { SelectAlternativeHandler previous = handlerManager . getHandler ( SelectAlternativeHandler . TYPE , 0 ) ; handlerManager . removeHandler ( SelectAlternativeHandler . TYPE , previous ) ; } return handlerManager . addHandler ( SelectAlternativeHandler . TYPE , handler ) ; }
Set the select alternative handler.
<p/>
There can only be one handler, the default displays the alternatives in a window on the map widget.

@param handler select alternative handler
@return handler registration.