import { IBidirectionalIterator } from "@drozdik.m/common-interfaces/IBidirectionalIterator";
import { AVLTreeNode } from "./AVLTreeNode";
export declare class AVLTreeIterator<T> implements IBidirectionalIterator<T> {
    private current;
    constructor(node: AVLTreeNode<T>);
    Value(): T;
    HasValue(): boolean;
    Previous(): void;
    Next(): void;
    /**
     * Returns predecessor node to this node
     * @param node Current node
     */
    protected Predecessor(node: AVLTreeNode<T>): AVLTreeNode<T>;
    /**
     * Returns successor node to this node
     * @param node Current node
     */
    protected Successor(node: AVLTreeNode<T>): AVLTreeNode<T>;
    protected FindMinRec(node: AVLTreeNode<T>): AVLTreeNode<T>;
    protected FindMaxRec(node: AVLTreeNode<T>): AVLTreeNode<T>;
    /**
    * Returns currently selected node. Do not use unless you know what you are doing!
    * @returns Current node
    */
    GetCurrentNode(): AVLTreeNode<T>;
}