import { FieldNamesType, TreeDataProps } from './propsType';
/**
 * 树转成铺平的数组
 * @param originalTreeData
 * @returns
 */
export declare function getFlatTreeData(originalTreeData: TreeDataProps[], fieldNames: FieldNamesType): any[];
/**
 * 获取 tree 所有的 keys 集合
 * @param data
 * @param fieldNames
 * @returns
 */
export declare function getAllKeys(data: TreeDataProps[], fieldNames: FieldNamesType): string[];
/**
 * 获取展开的key
 * @param key
 * @param tree
 * @param fieldNames
 * @returns
 */
export declare const getParentKey: (key: string, tree: TreeDataProps[], fieldNames: FieldNamesType) => string;
export declare function findTreeNodeByKey(treeData: TreeDataProps[], key: string, fieldNames: FieldNamesType): TreeDataProps[];
/**
 * 根据所选的 checkedKeys 筛选出展示的 treeData
 * @param data
 * @param checkedKeys
 * @returns
 */
export declare function filterCheckedNodes(data: any, checkedKeys: any, searchStr: string, fieldNames: FieldNamesType): any[];
/**
 * 获取 tree 当前选中节点下的所有子节点的 keys
 * @param node
 * @param childrenKeys
 * @returns
 */
export declare function getChildrenKeys(node: TreeDataProps, childrenKeys: string[], fieldNames: FieldNamesType, type: 'treeClose' | 'treeCheck'): void;
/**
 * 如果默认全开展那么返回所有key，否则返回空[]
 * @param isExpand 是否全展开
 * @param allkeys 所有key
 */
export declare function getDefaultExpandKeys(isExpand: any, allKeys: any): any;