import { ExpressionSource } from "../../../../MagicExpressionWidget/types";
import { TreeDataNode } from "antd";
import React from "react";
export declare const getDefaultExpandedKeys: (data: TreeDataNode[]) => React.Key[];
export declare const getRelationExpandKeys: (data: TreeDataNode[], searchKeyword: string, parentKeys?: string[]) => React.Key[];
export declare const getRelationDataSource: (dataSource: ExpressionSource, title: string) => ExpressionSource;