import { FileNode } from '../typings';
export declare function visit(rootNode: FileNode, fn: (node: FileNode) => any): Generator<[any, FileNode]>;
export declare const findNode: (rootNode: FileNode, fn: (node: FileNode) => boolean) => FileNode | undefined;
export declare const findNodeAll: (rootNode: FileNode, fn: (node: FileNode) => boolean) => FileNode[];