/**
 * @license
 * Copyright Larry Diamond 2017 All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/larrydiamond/typescriptcollectionsframework/LICENSE
 */
import { ImmutableSet } from "./ImmutableSet";
export interface Set<K> extends ImmutableSet<K> {
    /**
    * Adds the specified element to this set if it is not already present.
    * @param {K} element element to be added to this set
    * @return {boolean} true if this set did not already contain the specified element
    */
    add(element: K): boolean;
}