import type { ValidatedPasswordCollector } from './collector.types.js';
import { Validator } from './client.types.js';
/**
 * @function returnPasswordPolicyValidator - Creates a validator function that checks a candidate
 * value against the `passwordPolicy` embedded on a `ValidatedPasswordCollector`. Rules mirror the
 * native SDKs: length bounds, minimum unique characters, maximum repeated character occurrences,
 * and per-charset minimums. Returns `[]` when no policy is present on the collector.
 * @param {ValidatedPasswordCollector} collector - The collector whose output may carry a passwordPolicy.
 * @returns {Validator<ValidatedPasswordCollector>} - A validator that returns human-readable error strings.
 */
export declare function returnPasswordPolicyValidator(collector: ValidatedPasswordCollector): Validator<ValidatedPasswordCollector>;
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