import { AsyncIterableLike, Retainer, AsyncRetainer, DistinctEqualAsyncFn, GroupAsyncFn } from "../core";
import { AsyncIterableTuple } from "./iterable-async-tuple";
import { TC39AsyncIteratorHelpers } from "../tc39/async";
export interface ExtendedAsyncIterable<T> extends AsyncIterable<T>, TC39AsyncIteratorHelpers<T> {
    drain(): Promise<boolean>;
    hasAny(): Promise<boolean>;
    union<O>(other: AsyncIterableLike<O>): ExtendedAsyncIterable<T | O>;
    retain(retainer?: Retainer<T> | AsyncRetainer<T>): ExtendedAsyncIterable<T>;
    skip(count: number): ExtendedAsyncIterable<T>;
    mask(maskIterable: AsyncIterableLike<boolean>): ExtendedAsyncIterable<T>;
    maskReversible(maskIterable: AsyncIterableLike<boolean>, reverse?: boolean): ExtendedAsyncIterable<T>;
    distinct(equalityFn?: DistinctEqualAsyncFn<T>): ExtendedAsyncIterable<T>;
    group(fn: GroupAsyncFn<T, this, this>): ExtendedAsyncIterable<ExtendedAsyncIterable<T>>;
    tap(fn: (value: T) => void | Promise<void>): ExtendedAsyncIterable<T>;
    toTuple<S extends number>(size: S): AsyncIterableTuple<T, S>;
    toIterable(): AsyncIterable<T>;
}