/**
 * 树形数据forEach遍历
 * @param data
 * @param callback
 * @param fieldNames
 * @param level
 * @param paths
 */
export declare const forEachTree: <TreeDataType extends Record<string, any>>(data: TreeDataType[], callback: (node: TreeDataType, level: number, paths: string[]) => void, fieldNames?: {
    children: string;
    title?: string;
    key: string;
}, level?: number, paths?: string[]) => any[];
/**
 * 树形数据map遍历
 * @param data
 * @param callback (node: any) => ({ id: node.key, name: node.title })
 * @param childrenFieldNames
 * @param level
 * @returns
 */
export declare const mapTree: <TreeDataType extends Record<string, any>>(data: TreeDataType[], callback: (node: TreeDataType, level: number) => TreeDataType, childrenFieldNames?: {
    from: string;
    to: string;
}, level?: number) => TreeDataType[];
/**
 * 树形数据filter遍历
 * @param data
 * @param callback
 * @param childrenName
 * @param level
 * @returns
 */
export declare const filterTree: <TreeDataType extends Record<string, any>>(data: TreeDataType[], callback: (node: TreeDataType, level: number) => boolean, childrenName?: string, level?: number) => any[];