declare class Waiter<T> {
    constructor();
    wait(ttlMs?: number): {
        id: number;
        promise: Promise<T>;
    };
    emit(id: number, result: T): void;
    emitError(id: number, error: Error): void;
    clear(): void;
    waitForAll(ttlMS?: number): Promise<void>;
    private pool_;
    private allStoppedCallback_?;
    private stopTimeoutTimer_?;
    private id_;
}
export { Waiter };
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