import { DirEntry } from '@angular-devkit/schematics';
import { Project } from 'ts-morph';
/**
 * Adds all files recursively from a specify DirEntry to the project.
 * @param dir A schematic DirEntry instance
 * @param project A ts-morph Project instance
 * @param parentPath The base dir for the sourceFiles in the ts-morph Project
 * @param filter A filter function base on the pathFragment and dirEntry
 */
export declare function AddDir(dir: DirEntry, project: Project, parentPath?: string, filter?: ((pathFragment: string, dirEntry: DirEntry) => boolean)): void;