import { type BatchJobState } from '../types/batch.js';
/** How a batch, or any job with a status, is waited on. */
export interface BatchPollOptions<State = BatchJobState> {
    /** The first wait between polls, in milliseconds. */
    intervalMs: number;
    /** The longest wait, once backoff has grown it. */
    maxIntervalMs: number;
    /** Stops waiting. The provider-side batch keeps running. */
    signal: AbortSignal;
    /** Called with each state that is not yet final. */
    onState?: (state: State) => void;
    /** Whether a state is final. Defaults to a batch's terminal statuses. */
    settled?: (state: State) => boolean;
}
/**
 * Polls a batch until it reaches a status it never leaves. A batch measured in hours does not deserve
 * a fixed short interval: the wait grows by half each time up to the maximum, which keeps the poll
 * count sane without delaying a fast batch, which the first few short polls still catch.
 */
export declare function pollUntilSettled<State extends {
    status: string;
} = BatchJobState>(poll: () => Promise<State>, options: BatchPollOptions<State>): Promise<State>;