/**
 * Workers-config client for resolving queue URLs from the workers-config API Lambda.
 */
interface WorkersConfig {
    version: string;
    stage: string;
    region: string;
    workers: Record<string, {
        queueUrl: string;
        region: string;
    }>;
}
/**
 * Fetches the workers configuration from the workers-config API.
 * Results are cached for 5 minutes to reduce API calls.
 *
 * @param apiUrl - The URL of the workers-config API endpoint
 * @param apiKey - Optional API key for authentication (sent as x-workers-config-key header)
 * @returns The workers configuration mapping worker IDs to queue URLs
 */
declare function getWorkersConfig(apiUrl: string, apiKey?: string): Promise<WorkersConfig>;
/**
 * Resolves the queue URL for a specific worker ID.
 * Throws an error if the worker ID is not found in the configuration.
 *
 * @param workerId - The ID of the worker
 * @param apiUrl - The URL of the workers-config API endpoint
 * @param apiKey - Optional API key for authentication
 * @returns The queue URL for the worker
 */
declare function resolveQueueUrl(workerId: string, apiUrl: string, apiKey?: string): Promise<string>;
/**
 * Clears the cached workers configuration.
 * Useful for testing or when you need to force a refresh.
 */
declare function clearWorkersConfigCache(): void;

export { type WorkersConfig, clearWorkersConfigCache, getWorkersConfig, resolveQueueUrl };