export declare function mergeAsyncIterables<T>(iterables: Array<AsyncIterable<T>>): AsyncIterable<T>;
export declare function interleaveAsyncIterables<T>(iterables: Array<AsyncIterable<T>>): AsyncIterable<T>;
export declare function toArray<T>(iterable: AsyncIterable<T>): Promise<T[]>;
export declare class Deferred<T> {
    resolve: (v: T) => void;
    reject: (e?: Error) => void;
    readonly promise: Promise<T>;
}