export declare function asAsyncIterable<T>(iterable: Iterable<T>): AsyncIterable<T>;
export declare function asAsyncIterator<T>(iterator: Iterator<T>): AsyncIterator<T>;
export declare function asAsyncSelector<T, K extends any>(keyOrSelector: ((item: T) => Promise<K> | K) | keyof NonNullable<T>): (item: T) => Promise<K> | K;
export declare function asSelector<T, K extends any>(keyOrSelector: ((item: T) => K) | keyof NonNullable<T>): (item: T) => K;
export declare function applyMixins(derivedCtor: ({
    new (...args: any[]): any;
}), baseCtors: ({
    new (...args: any[]): any;
})[]): void;