import type { QueryBuilder } from '@atlex/orm';
import type { Authenticatable } from '../contracts/Authenticatable.js';
import type { UserProvider } from '../contracts/UserProvider.js';
import { type HashManager } from '../hashing/HashManager.js';
type Row = Record<string, unknown>;
/**
 * Loads users from a SQL table via {@link QueryBuilder}.
 */
export declare class DatabaseUserProvider implements UserProvider {
    private readonly query;
    private readonly table;
    private readonly hash;
    private readonly emailColumn;
    private readonly hydrate;
    /**
     * @param query - Factory for a fresh query builder.
     * @param table - Users table.
     * @param hash - Password hasher.
     * @param hydrate - Maps a DB row to an {@link Authenticatable}.
     * @param emailColumn - Email/login column name.
     * @param passwordColumn - Hashed password column name.
     */
    constructor(query: () => QueryBuilder, table: string, hash: HashManager, hydrate: (row: Row) => Authenticatable, emailColumn?: string, passwordColumn?: string);
    /**
     * @inheritdoc
     */
    retrieveById(id: string | number): Promise<Authenticatable | null>;
    /**
     * @inheritdoc
     */
    retrieveByToken(id: string | number, token: string): Promise<Authenticatable | null>;
    /**
     * @inheritdoc
     */
    updateRememberToken(user: Authenticatable, token: string): Promise<void>;
    /**
     * @inheritdoc
     */
    retrieveByCredentials(credentials: Record<string, unknown>): Promise<Authenticatable | null>;
    /**
     * @inheritdoc
     */
    validateCredentials(user: Authenticatable, credentials: Record<string, unknown>): Promise<boolean>;
}
export {};
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