type PatchFunctionType = (item: any) => Record<string, any> | undefined;
/**
 * 利用一个 patchItem 方法来处理 tree item
 * @param data
 * @param patchFunction
 * @param options patch 结果是否覆盖
 * @returns
 */
export declare function normalizeTree(data?: any[], patchFunction?: PatchFunctionType, options?: {
    replace: boolean;
}): any[];
type FilterType = (item: any) => boolean;
/**
 * 通过传入一个函数来过滤树, 不符合条件的tree item 会被过滤掉
 * @param data
 * @param filter
 * @returns
 */
export declare function filterTree(_data: any, filter: FilterType, depth?: number): any;
/**
 * 寻找树中的目标节点.
 * 如果找不到返回 []
 * 如果找到返回从头到目标节点的数组链
 * @param {Array} data
 * @param {string | number} value
 * @param {string} keyName
 * @returns
 */
export declare function getTreeChain(_data: never[] | undefined, findFunction: (node: any) => boolean, chain?: never[], depth?: number): any;
export {};