class Foo {
  /**
   * Creates a new instance of Foo
   *
   * @constructor
   */
  constructor() {
    /** @type {string} */
    this.foo = 'bar';
  }

  /**
   * Set the given property in the class.
   *
   * @param {string} property property to set
   * @param {*} value new value
   */
  manipulate(property, value) {
    this[property] = value;
  }
}