import type { TimeSpan } from "./TimeSpan";
export declare class CancellationTokenSource {
    private _cancel;
    private controller;
    constructor(timeout?: number | TimeSpan | null);
    _byEvent(): void;
    abort(): void;
    get Token(): CancellationTokenSource;
    get signal(): AbortSignal;
    get aborted(): boolean;
    Cancel(): void;
    IsCancellationRequested(): boolean;
}
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