/**
 * interface for Fighting classes
 */
interface FightingStyle {
	/**
	 * Causes this fighter to headbutt opponent
	 * @return if headbutt was successful
	 * @description Massive blows with the forehead
	 */
	function headbutt(Void):Boolean;
	/**
	 * Causes this fighter to head-butt opponent
	 * @param foot which foot to use to kick with 
	 * @param height height in which the kick is to be targeted
	 * @return if kick was successful
	 */
	function kick(foot:String, height:Number):Boolean;
}