import type { AVLNode } from './node.js';
export declare const BALANCE_STATE: {
    UNBALANCED_RIGHT: number;
    SLIGHTLY_UNBALANCED_RIGHT: number;
    BALANCED: number;
    SLIGHTLY_UNBALANCED_LEFT: number;
    UNBALANCED_LEFT: number;
};
export declare function getBalanceFactor<K, V>(node: AVLNode<K, V>): number;
export declare function getHeight<K, V>(node: AVLNode<K, V> | null): number;
export declare function rotateLeft<K, V>(node: AVLNode<K, V>): AVLNode<K, V>;
export declare function rotateRight<K, V>(node: AVLNode<K, V>): AVLNode<K, V>;
export declare function findMin<K, V>(node: AVLNode<K, V>): AVLNode<K, V>;