import type { TaskStatus, PollOptions } from '../core/types.js';
/**
 * Poll a status function until completion or timeout
 */
export declare function poll<T extends TaskStatus>(getStatus: () => Promise<T>, options?: PollOptions): Promise<T>;
/**
 * Sleep for a given number of milliseconds
 */
export declare function sleep(ms: number): Promise<void>;
/**
 * Create a polling controller that can be cancelled
 */
export declare function createPollingController(): {
    cancel: () => void;
    isCancelled: () => boolean;
    poll: <T extends TaskStatus>(getStatus: () => Promise<T>, options?: PollOptions) => Promise<T>;
};