import { Option } from "./option.js";
/**
 * Tuple of 2 options.
 *
 * @param A - Any type
 * @param B - Any type
 */
export type OptionDuo<A, B> = [Option<A>, Option<B>];
/**
 * Type safe function to unzip an option of a tuple of 2 into a tuple of 2 options.
 * @typeParam A - Any type
 * @typeParam B - Any type
 *
 * @param opt - Option to unzip
 * @returns a tuple of 2 options.
 *
 * @example
 * ```ts
 * const opt: Option<[number, string]> = Option.Some([10, 'foo'])
 * const [optA, optB] =unzip(opt)
 * optA.unwrap() === 10 // true
 * optB.unwrap() === 'foo' // true
 * ```
 */
export declare function unzip<A, B>(opt: Option<[A, B]>): OptionDuo<A, B>;