export type AsyncIterableLike<T> = Iterable<T> | AsyncIterable<T>;
export declare function asyncIterator<T>(value: AsyncIterableLike<T>): AsyncIterator<T>;
export declare function asyncIterable<T>(value: AsyncIterableLike<T>): AsyncIterable<T>;
export declare function isAsyncIterable<T>(value: unknown): value is AsyncIterable<T>;
export declare function isIterable<T>(value: unknown): value is Iterable<T>;
export declare function isIterableIterator(value: unknown): value is (IterableIterator<any> | AsyncIterableIterator<any>);
export declare function isPromise<T = unknown>(value: unknown): value is Promise<T>;
export declare function getNext<T>(iterator: Iterator<T> | AsyncIterator<T>, value?: any): Promise<IteratorResult<T>>;