/**
 * @class Ext.draw.sprite.Arrow
 * @extend Ext.draw.sprite.Path
 * @alias sprite.arrow
 *
 * A sprite that represents an arrow.
 *
 *     @example
 *     Ext.create({
 *        xtype: 'draw', 
 *        renderTo: document.body,
 *        width: 600,
 *        height: 400,
 *        sprites: [{
 *            type: 'arrow',
 *            translationX: 100,
 *            translationY: 100,
 *            size: 40,
 *            fillStyle: '#30BDA7'
 *        }]
 *     });
 */