code: function checkAvailability( obj ) {
  			for ( var k = 1, len = arguments.length; k < len; k++) {
  				for ( var m in arguments[k]) {
  					if (obj.hasOwnProperty(m)) {
  						throw obj.getClass() + ": has " + m + " at more than one places";
  					}
  				}
  			}
  		}
docs: Check if same property already available in object for static and Const;