export default function <T, R>(source: AsyncIterable<T> | Iterable<T>, selector: (value: T, index: number) => Promise<R> | R, limit: number, limited: (item: T, index: number) => boolean | void): AsyncIterable<R>;
export default function <T, R>(source: AsyncIterable<T> | Iterable<T>, selector: (value: T, index: number) => Promise<R> | R, limit: number): AsyncIterable<R>;
export default function <T, R>(source: AsyncIterable<T> | Iterable<T>, selector: (value: T, index: number) => Promise<R> | R): AsyncIterable<R>;
export default function <T>(source: AsyncIterable<Promise<T>> | Iterable<Promise<T>>): AsyncIterable<T>;
export default function <T>(source: AsyncIterable<Promise<T>> | Iterable<Promise<T>>, limit: number): AsyncIterable<T>;