interface Clone {
    <T>(x: T): T;
}
/**
 * Creates a deep copy of the value which may contain (nested) `Array`s and
 * `Object`s, `Number`s, `String`s, `Boolean`s and `Date`s. `Function`s are not
 * copied, but assigned by their reference.
 *
 * @param {*} x The value to clone
 * @return {*} A copy of a value.
 * @example
 *
 *      var objects = [{}, {}, {}];
 *      var objectsClone = clone(objects);
 *      objects[0] === objectsClone[0]; //=> false
 */
export declare const clone: Clone;
export default clone;