import type { Hasher } from './Hasher.js';
/**
 * bcrypt-based password hasher (pure JS via `bcryptjs`).
 */
export declare class BcryptHasher implements Hasher {
    private readonly rounds;
    /**
     * @param rounds - bcrypt cost factor.
     */
    constructor(rounds: number);
    /**
     * @inheritdoc
     */
    make(value: string): Promise<string>;
    /**
     * @inheritdoc
     */
    check(value: string, hashedValue: string): Promise<boolean>;
    /**
     * @inheritdoc
     */
    needsRehash(hashedValue: string): boolean;
}
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