// import Iterator from './Iterator'

/**
 * @see http://download.oracle.com/javase/6/docs/api/java/util/Collection.html
 *
 * @constructor
 * @private
 */
export default class Collection {
  /**
   * Ensures that this collection contains the specified element (optional
   * operation).
   * @param {Object} e
   * @return {boolean}
   */
  add () {}

  /**
   * Appends all of the elements in the specified collection to the end of this
   * list, in the order that they are returned by the specified collection's
   * iterator (optional operation).
   * @param {javascript.util.Collection} c
   * @return {boolean}
   */
  addAll () {}

  /**
   * Returns true if this collection contains no elements.
   * @return {boolean}
   */
  isEmpty () {}

  /**
   * Returns an iterator over the elements in this collection.
   * @return {javascript.util.Iterator}
   */
  iterator () {}

  /**
   * Returns an iterator over the elements in this collection.
   * @return {number}
   */
  size () {}

  /**
   * Returns an array containing all of the elements in this collection.
   * @return {Array}
   */
  toArray () {}

  /**
   * Removes a single instance of the specified element from this collection if it
   * is present. (optional)
   * @param {Object} e
   * @return {boolean}
   */
  remove () {}
}