import { Wrappable, IterableIterator, IterableIterator as SyncIterableIterator } from '../../types/iterable';
declare function windowBehind<T, Filler = undefined>(opts: {
  readonly filler?: Filler;
}, size: number, source: Wrappable<T>): IterableIterator<SyncIterableIterator<T | Filler>>;
declare function windowBehind<T>(size: number, source: Wrappable<T>): IterableIterator<SyncIterableIterator<T | undefined>>;
declare function windowBehind(opts: {
  readonly filler: any;
}, size: number): <T>(source: Wrappable<T>) => IterableIterator<SyncIterableIterator<T>>;
declare function windowBehind(size: number): <T>(source: Wrappable<T>) => IterableIterator<SyncIterableIterator<T | undefined>>;
export { windowBehind };