import { LazyMultiIterable } from './make-lazy-iterator';
export type NestedIterable<T> = IterableIterator<[T, NestedIterable<T>]>;
export declare function unnestNestedIterable<T>(generator: NestedIterable<T>): IterableIterator<T[]>;
export declare function flattenResult<T>(generator: NestedIterable<T>): IterableIterator<T[]>;
export declare function flattenResults<T>(generator: NestedIterable<T[]>): IterableIterator<T[]>;
export declare function resultsOfLength<T>(generator: NestedIterable<T>, length: number): NestedIterable<T>;
export declare function resultsOfTotalLength<T>(generator: NestedIterable<T[]>, length: number): NestedIterable<T[]>;
export type NestedLazyMultiIterable<T> = LazyMultiIterable<[T, NestedLazyMultiIterable<T>]>;
export declare function convertToMultiIterator<T>(generator: NestedIterable<T>): NestedLazyMultiIterable<T>;
export declare function convertToDeepNested<T>(generator: NestedIterable<T[]>): NestedIterable<T>;