import type { LTUserRecord } from '../../types';
/**
 * Verify a user's password. Returns the full user record (with roles)
 * on success, or null if the external_id doesn't exist, the user has
 * no password set, or the password doesn't match.
 */
export declare function verifyPassword(externalId: string, password: string): Promise<LTUserRecord | null>;
