import { CancellationTokenSource } from "./CancellationTokenSource";
export declare class TaskCompletionSource<TResult> {
    Status: string;
    Task: Promise<TResult>;
    private res;
    private rej;
    SetCanceled(cancellationToken?: CancellationTokenSource): void;
    SetException(error: string | Error): void;
    SetResult(result: TResult): void;
    TrySetCanceled(cancellationToken?: CancellationTokenSource): boolean;
    TrySetException(error: string | Error): boolean;
    TrySetResult(result: TResult): boolean;
    constructor(state?: string);
}
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