/**
 * Fetches a specific worker from a Twilio workerRouter workspace.
 *
 * @example
 * // Assuming 'workspace' are already defined:
 *
 * try {
 *   const worker = await fetchWorker('WKxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx');
 *   console.log('worker fetched successfully:', worker);
 * } catch (error) {
 *   console.error('Error fetching worker:', error.message);
 * }
 */
export declare function fetchWorker(workerSid: string): Promise<import("twilio/lib/rest/taskrouter/v1/workspace/worker").WorkerInstance | undefined>;
/**
 * Finds workers in a Twilio TaskRouter workspace that are evaluating specified attributes.
 *
 * @example
 * // Assuming 'workspace' are already defined:
 *
 * const targetWorkersExpression = 'name IN ['Alice','Bob','Connie','David']'
 *
 * try {
 *   const workers = await findWorkerEvaluatingExpression(workspace, targetWorkersExpression, 10);
 *   console.log('Matching workers found:', workers);
 * } catch (error) {
 *   console.error('Error finding workers:', error.message);
 * }
 */
export declare function findWorkerEvaluatingExpression(targetWorkersExpression: string, limit?: number): Promise<import("twilio/lib/rest/taskrouter/v1/workspace/worker").WorkerInstance[] | undefined>;