import { type ArrayOrValue } from './../array/array';
import { type Maybe } from '../value/maybe.type';
/**
 * Creates a Maybe Set with the input.
 *
 * If the input is an array or value, they are returned as a set. Otherwise, returns null/undefined.
 *
 * @param input
 * @returns
 */
export declare function maybeSet<T>(input: Maybe<ArrayOrValue<T>>): Maybe<Set<T>>;