export declare class AbortError extends Error {
}
export declare class TimeoutError extends Error {
}
export declare type AbortableOption = {
    timeout?: number;
    signal?: AbortSignal;
    alwaysPendingWhenAborted?: boolean;
};
export declare function abortableAsync<T, P extends any[], R>(fn: (this: T, ...p: P) => Promise<R>, opt?: AbortableOption): (this: T, ...args: P) => Promise<R>;