import { ReactNode } from 'react';
export interface GetTreeItemChildren {
    done: (children: TreeItem[]) => void;
    node: TreeItem;
    path: number[];
    lowerSiblingCounts: number[];
    treeIndex: number;
}
export declare type GetTreeItemChildrenFn = (data: GetTreeItemChildren) => void;
export declare type GetNodeKeyFunction = (data: TreeIndex & TreeNode) => string | number;
export interface TreeItem {
    title?: ReactNode | undefined;
    subtitle?: ReactNode | undefined;
    expanded?: boolean | undefined;
    children?: TreeItem[] | GetTreeItemChildrenFn | undefined;
    [x: string]: any;
}
export interface TreeNode {
    node: TreeItem;
}
export interface TreePath {
    path: number[];
}
export interface TreeIndex {
    treeIndex: number;
}
export interface FullTree {
    treeData: TreeItem[] | undefined;
}
export interface NodeData extends TreeNode, TreePath, TreeIndex {
}
export interface SearchData extends NodeData {
    searchQuery: string;
}
export declare const defaultGetNodeKey: ({ treeIndex }: TreeIndex) => number;
export declare const defaultSearchMethod: ({ node, path, treeIndex, searchQuery, }: SearchData) => boolean;