import { type Brand, type NonEmptyString } from 'ts-type-forge';
import { type Type, type TypeOf } from '../../../type.mjs';
export type Iso8601 = Brand<NonEmptyString, 'Iso8601'>;
/**
 * @link https://github.com/validatorjs/validator.js/tree/v13.1.17?tab=readme-ov-file#validators
 * @link https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString
 * @link https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-date-time-string-format
 */
export declare const iso8601: (options?: ISO8601ValidatorOption) => Type<Iso8601>;
declare const ISO8601ValidatorOption: Readonly<{
    typeName: string;
    defaultValue: Readonly<{
        defaultValue: string;
        strict: boolean;
        strictSeparator: boolean;
    }>;
    is: (a: unknown) => a is Readonly<{
        defaultValue: string;
        strict: boolean;
        strictSeparator: boolean;
    }>;
    assertIs: (a: unknown) => asserts a is Readonly<{
        defaultValue: string;
        strict: boolean;
        strictSeparator: boolean;
    }>;
    cast: (a: unknown) => Readonly<{
        defaultValue: string;
        strict: boolean;
        strictSeparator: boolean;
    }>;
    fill: (a: unknown) => Readonly<{
        defaultValue: string;
        strict: boolean;
        strictSeparator: boolean;
    }>;
    prune: <B extends Readonly<{
        defaultValue: string;
        strict: boolean;
        strictSeparator: boolean;
    }>>(a: B) => Readonly<{
        defaultValue: string;
        strict: boolean;
        strictSeparator: boolean;
    }>;
    validate: (a: unknown) => import("ts-data-forge").Result<Readonly<{
        defaultValue: string;
        strict: boolean;
        strictSeparator: boolean;
    }>, readonly Readonly<{
        path: readonly string[];
        actualValue: unknown;
        expectedType: string;
        typeName: string;
        details?: import("../../../entry-point.mjs").ValidationErrorDetails | undefined;
    }>[]>;
    optional?: true;
}>;
type ISO8601ValidatorOption = TypeOf<typeof ISO8601ValidatorOption>;
export {};
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