import { IEnumerable } from '../enumerable';
import { IEnumerator } from '../enumerator';
export declare const enum IteratorState {
    Stopped = 0,
    Running = 1,
    Done = 2
}
export declare abstract class Iterator<TSource> implements IEnumerator<TSource> {
    current?: TSource;
    protected state: IteratorState;
    abstract moveNext(): boolean;
    reset(): void;
    getEnumerator(): IEnumerator<TSource>;
    [Symbol.iterator](): globalThis.Iterator<TSource>;
}
export interface Iterator<TSource> extends IEnumerable<TSource> {
}