/// <reference types="node" />
import type { CancelableAbortSignal } from './CancelableAbortController';
import type { CancelablePromise } from './CancelablePromise';
export type PromiseStatus = 'canceled' | 'pending' | 'resolved' | 'rejected';
export type ResolveCallback<TResult> = (value?: TResult | PromiseLike<TResult>) => void;
export type RejectCallback = (reason?: unknown) => void;
export type CancelCallback = (reason?: unknown) => void;
/** Parameters for event subscriptions with optional AbortSignal. */
export type SubscriptionParams = {
    signal?: CancelableAbortSignal | AbortSignal;
};
export type Subscription = () => void;
export type CancelablePromiseUtils<TResult = unknown> = {
    /** Cancel the promise with an optional reason */
    cancel: (reason?: unknown) => CancelablePromise<TResult>;
    /** Subscribe to cancellation events */
    onCancel: (callback: CancelCallback) => Subscription;
    onProgress: (callback: OnProgressCallback) => Subscription;
    reportProgress: (percentage: number, metadata?: unknown) => void;
    status: () => PromiseStatus;
    isCanceled: () => boolean;
    isPending: () => boolean;
};
export type CancelablePromiseCallback<TResult = unknown> = (resolve: ResolveCallback<TResult>, reject: RejectCallback, utils: CancelablePromiseUtils<TResult>) => void;
export type OnProgressCallback = (progress: number, metadata?: unknown) => void;