declare type Fn = (...e: any) => any;
interface TreeHelperConfig {
    children: string;
    [key: string]: any;
}
export declare function treeToList<T = any>(tree: any, config?: Partial<TreeHelperConfig>): T;
export declare function filter<T = any>(tree: T[], func: (n: T) => boolean, config?: Partial<TreeHelperConfig>): T[];
export declare function forEach<T = any>(tree: T[], func: (n: T) => any, config?: Partial<TreeHelperConfig>): void;
/**
 * @description: Extract tree specified structure
 */
export declare function treeMap<T = any>(treeData: T[], opt: {
    children?: string;
    conversion: Fn;
}): T[];
/**
 * @description: Extract tree specified structure
 */
export declare function treeMapEach(data: any, { children, conversion }: {
    children?: string;
    conversion: Fn;
}): any;
/**
 * 递归遍历树结构
 * @param treeDatas 树
 * @param callBack 回调
 * @param parentNode 父节点
 */
export declare function eachTree(treeDatas: any[], callBack: Fn, parentNode?: {}): void;
export {};
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