HandlesAriaRequired (vaadin-all 8.27.7 API)

All Known Implementing Classes:

VAbstractPopupCalendar, VAbstractTextualDate, VCheckBox, VComboBox, VPopupCalendar, VPopupTimeCalendar
```
public interface HandlesAriaRequired
```
Some Widgets need to handle the required handling for WAI-ARIA themselfs, as this attribute needs to be set to the input element itself. In such a case, the Widget needs to implement this interface.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`setAriaRequired(boolean required)`	Called to set the element, typically an input element, as required.

- Method Detail
  - setAriaRequired
```
void setAriaRequired(boolean required)
```
    Called to set the element, typically an input element, as required.
    
    Parameters:
    
    required - boolean true when the element needs to be set as required