/** @module array/unshiftArray.ts */
import { Prepend, ValueOf } from '../helper-types';
export declare function unshiftArray<A extends [any, ...any[]], B>(arr: A, item: B): Prepend<A, B>;
export declare function unshiftArray<A extends [any, ...any[]], B>(arr: A): (item: B) => Prepend<A, B>;
export declare function unshiftArray<A extends any[], B>(arr: A, item: B): Array<ValueOf<A> | B>;
export declare function unshiftArray<A extends any[]>(arr: A): <B>(item: B) => Array<ValueOf<A> | B>;