/**
 * @file Parsers - bool
 * @module kronk/parsers/bool
 */
import type { List, ParseArg } from '@flex-development/kronk';
export default bool;
/**
 * Create a boolean parser.
 *
 * The values `'1'`, `'y'`, and `'true'` are converted to `true` by default. All
 * other values evaluate to `false`.
 *
 * @see {@linkcode List}
 * @see {@linkcode ParseArg}
 * @see {@linkcode bool.choices}
 *
 * @category
 *  parsers
 *
 * @this {void}
 *
 * @param {List<string> | null | undefined} choices
 *  List of choices that should evaluate to `true`
 * @return {ParseArg<boolean>}
 *  Boolean parser
 */
declare function bool(this: void, choices?: List<string> | null | undefined): ParseArg<boolean>;
declare namespace bool {
    var choices: Readonly<Set<"false" | "true" | "0" | "1" | "n" | "y">>;
}