text: Demo.DynamicLabelTextInputWidget = function DemoDynamicLabelTextInputWidget( config ) {
  	// Configuration initialization
  	config = $.extend( { getLabelText: $.noop }, config );
  	// Parent constructor
  	Demo.DynamicLabelTextInputWidget.parent.call( this, config );
  	// Properties
  	this.getLabelText = config.getLabelText;
  	// Events
  	this.connect( this, { change: 'onChange' } );
  	// Initialization
  	this.setLabel( this.getLabelText( this.getValue() ) );
  };
  OO.inheritClass( Demo.DynamicLabelTextInputWidget, OO.ui.TextInputWidget );
  
  Demo.DynamicLabelTextInputWidget.prototype.onChange = function ( value ) {
  	this.setLabel( this.getLabelText( value ) );
  };
  