import type { Authenticatable } from './Authenticatable.js';
/**
 * Retrieves and validates users for guards.
 */
export interface UserProvider {
    /**
     * @param id - Primary key.
     * @returns User or null.
     */
    retrieveById(id: string | number): Promise<Authenticatable | null>;
    /**
     * @param id - Primary key.
     * @param token - Plain remember token.
     * @returns User or null.
     */
    retrieveByToken(id: string | number, token: string): Promise<Authenticatable | null>;
    /**
     * @param user - User whose remember token should be updated.
     * @param token - New hashed/plain token depending on provider implementation.
     */
    updateRememberToken(user: Authenticatable, token: string): Promise<void>;
    /**
     * @param credentials - Lookup fields (e.g. email).
     * @returns Matching user or null.
     */
    retrieveByCredentials(credentials: Record<string, unknown>): Promise<Authenticatable | null>;
    /**
     * @param user - Candidate user.
     * @param credentials - Credential bag including plaintext password.
     * @returns True when password matches.
     */
    validateCredentials(user: Authenticatable, credentials: Record<string, unknown>): Promise<boolean>;
}
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