import { Queue, RunFunction } from './queue.js';
interface TimeoutOptions {
    /**
    Per-operation timeout in milliseconds. Operations fulfill once `timeout` elapses if they haven't already.
    */
    timeout?: number;
    /**
    Whether or not a timeout is considered an exception.

    @default false
    */
    throwOnTimeout?: boolean;
}
export interface Options<QueueType extends Queue<RunFunction, QueueOptions>, QueueOptions extends QueueAddOptions> extends TimeoutOptions {
    /**
    Concurrency limit.

    Minimum: `1`.

    @default Infinity
    */
    readonly concurrency?: number;
    /**
    Whether queue tasks within concurrency limit, are auto-executed as soon as they're added.

    @default true
    */
    readonly autoStart?: boolean;
    /**
    Class with a `enqueue` and `dequeue` method, and a `size` getter. See the [Custom QueueClass](https://github.com/sindresorhus/p-queue#custom-queueclass) section.
    */
    readonly queueClass?: new () => QueueType;
    /**
    The max number of runs in the given interval of time.

    Minimum: `1`.

    @default Infinity
    */
    readonly intervalCap?: number;
    /**
    The length of time in milliseconds before the interval count resets. Must be finite.

    Minimum: `0`.

    @default 0
    */
    readonly interval?: number;
    /**
    Whether the task must finish in the given interval or will be carried over into the next interval count.

    @default false
    */
    readonly carryoverConcurrencyCount?: boolean;
}
export interface QueueAddOptions extends TaskOptions, TimeoutOptions {
    /**
    Priority of operation. Operations with greater priority will be scheduled first.

    @default 0
    */
    readonly priority?: number;
}
export interface TaskOptions {
    /**
    [`AbortSignal`](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal) for cancellation of the operation. When aborted, it will be removed from the queue and the `queue.add()` call will reject with an `AbortError`. If the operation is already running, the signal will need to be handled by the operation itself.

    @example
    ```
    import PQueue, {AbortError} from 'p-queue';
    import got, {CancelError} from 'got';

    const queue = new PQueue();

    const controller = new AbortController();

    try {
        await queue.add(({signal}) => {
            const request = got('https://sindresorhus.com');

            signal.addEventListener('abort', () => {
                request.cancel();
            });

            try {
                return await request;
            } catch (error) {
                if (!(error instanceof CancelError)) {
                    throw error;
                }
            }
        }, {signal: controller.signal});
    } catch (error) {
        if (!(error instanceof AbortError)) {
            throw error;
        }
    }
    ```
    */
    readonly signal?: AbortSignal;
}
export {};