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define([], function() {
  /** Used for built-in method references. */  var objectProto = Object.prototype;
  /**   * Checks if `value` is likely a prototype object.   *   * @private   * @param {*} value The value to check.   * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.   */  function isPrototype(value) {    var Ctor = value && value.constructor,        proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
    return value === proto;  }
  return isPrototype;});