export interface MapItems<V> {
    [key: string]: V;
    [key: number]: V;
}
export default class Collection {
    /**
     *
     * @param {MapItems<T>} map
     * @param {(value: T, key: K) => U} callback
     * @returns {Array<U>}
     */
    static map<T, U, K>(list: MapItems<T> | T[], callback: (value: T, key: K) => U): U[];
    /**
     *
     * @param {MapItems<T>} map
     * @param {(value: T, key: K) => U} callback
     * @returns {Array<U>}
     */
    static mapObject<T, U, K>(map: MapItems<T>, callback: (value: T, key: K) => U): U[];
    /**
     *
     * @param {MapItems<T>} array
     * @param {(value: T, key: K) => U} callback
     * @returns {Array<U>}
     */
    static mapArray<T, U, K>(array: T[], callback: (value: T, key: K) => U): U[];
    /**
     *
     * @param {MapItems<T> | Array<T>} list
     * @param {(value: T, key: K) => (void | boolean)} callback
     * @returns {boolean}
     */
    static forEach<T, U, K>(list: MapItems<T> | T[], callback: (value: T, key: K) => void | boolean): boolean;
    /**
     *
     * @param {MapItems<T>} map
     * @param {(value: T, key: K) => U} callback
     * @returns {Array<U>}
     */
    static forEachObject<T, U, K>(map: MapItems<T>, callback: (value: T, key: K) => boolean | any): boolean;
    /**
     *
     * @param {Array<T>} map
     * @param {(value: T, key: K) => (void | boolean)} callback
     * @returns {boolean}
     */
    static forEachArray<T, U, K>(array: T[], callback: (value: T, key: K) => void | boolean): boolean;
}