import { Undefinable } from '../Types';
/**
 * Enumrates an object source for values.
 */
export interface IEnumerator<T> extends Iterator<T> {
    /** value of the current element */
    readonly current: T;
    /** move to the next element. Returns false if there is no next element */
    moveNext(): boolean;
    /**
     * returns the next element without moving the pointer forwards
    */
    peek(): Undefinable<T>;
    /** reset the pointer to the start */
    reset(): void;
}
export interface IAsyncEnumerator<T> {
    /** value of the current element */
    readonly current: T;
    /** move to the next element. Returns false if there is no next element */
    moveNextAsync(): Promise<boolean>;
}