/**
 * Hash
 * bcrypt-based password hashing utility.
 *
 * Uses bcryptjs to avoid native module issues in edge runtimes.
 */
export declare const Hash: Readonly<{
    isValidHash(hash: string): boolean;
    hash(plaintext: string): Promise<string>;
    hashWithRounds(plaintext: string, rounds: number): Promise<string>;
    verify(plaintext: string, hashed: string): Promise<boolean>;
}>;
export default Hash;
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