import { PredicateCallback } from "./types";
export declare type TreeNode = {
    children?: TreeNode[];
};
/** find node that meet the condition specified in a callback function in tree */
export declare function findTreeNode<T extends TreeNode>(tree: T[], predicate: PredicateCallback<T>): T | undefined;
/** find node in tree by given key and value */
export declare function findTreeNode<T extends TreeNode>(tree: T[], key: keyof T, value: T[keyof T]): T | undefined;
/** find node that meet the condition specified in a callback function in tree node */
export declare function findNode<T extends TreeNode>(node: T, predicate: PredicateCallback<T>): T | undefined;
/** find node in tree node by given key and value */
export declare function findNode<T extends TreeNode>(node: T, key: keyof T, value: T[keyof T]): T | undefined;
/** remove fisrt node that meet the condition specified in a callback function in tree */
export declare function removeTreeNode<T extends TreeNode>(tree: T[], predicate: PredicateCallback<T>): T | undefined;
/** remove first node in tree by given key and value */
export declare function removeTreeNode<T extends TreeNode>(tree: T[], key: keyof T, value: T[keyof T]): T | undefined;
export declare function useTreeNode<T extends TreeNode>(node: T, effect: (node: T) => void): void;