docs: function( value, noChangeEvent ) {
  				var children = this._.children,
  					item;
  				for ( var i = 0;
  				( i < children.length ) && ( item = children[ i ] ); i++ )
  					item.getElement().$.checked = ( item.getValue() == value );
  				!noChangeEvent && this.fire( 'change', { value: value } );
  			}