declare type IDeferred<T> = {
    promise: Promise<T>;
    resolve: (value: T) => void;
    reject: (error: any) => void;
};
export declare const Deferred: <T>() => IDeferred<T>;
export declare class GTORAsyncQueue<T> {
    #private;
    length: number;
    put(value: T): Promise<void>;
    take(): Promise<T>;
    [Symbol.asyncIterator](): {
        next: () => Promise<{
            value: T;
            done: boolean;
        }>;
        throw: () => Promise<{
            value: undefined;
            done: boolean;
        }>;
        return: () => Promise<{
            value: undefined;
            done: boolean;
        }>;
    };
}
export declare class GTORishAsyncMap<K, T> {
    mapping: Map<K, GTORAsyncQueue<T>>;
    put(key: K, value: T): Promise<void>;
    take(key: K): Promise<T>;
    has(key: K): boolean;
    keys(): IterableIterator<K>;
}
export declare const sleep: (ms: number) => Promise<unknown>;
export {};
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