export interface PollOptions {
    maxAttempts?: number;
    intervalMs?: number;
    onPoll?: (attempt: number) => void;
}
export interface PollResult<T> {
    success: boolean;
    data?: T;
    error?: string;
    attempts: number;
}
/**
 * Poll a function until it returns a truthy result or max attempts reached
 */
export declare function poll<T>(fn: () => Promise<T | null>, isComplete: (result: T | null) => boolean, options?: PollOptions): Promise<PollResult<T>>;
/**
 * Sleep for a given number of milliseconds
 */
export declare function sleep(ms: number): Promise<void>;
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