import { DefaultKeyValueRepository, juggler } from '@loopback/repository';
import { RevokedToken } from '../models';
export declare class RevokedTokenRepository extends DefaultKeyValueRepository<RevokedToken> {
    private readonly datasource;
    constructor(dataSource: juggler.DataSource);
    /**
     * Atomically marks the key as used if not already present.
     * Returns true if the key was set (first use), false if it already existed (replay).
     * Uses Redis SET NX EX for true atomicity when connector supports it,
     * otherwise falls back to get/set pattern (may have race condition).
     */
    setIfNotExists(key: string, value: RevokedToken, options: {
        ttl: number;
    }): Promise<boolean>;
}