import { Tree } from '@angular-devkit/schematics';
import * as ts from "@schematics/angular/third_party/github.com/Microsoft/TypeScript/lib/typescript";
import { ProjectDefinition } from '@schematics/angular/utility';
/** Reads file given path and returns TypeScript source file. */
export declare function parseSourceFile(host: Tree, path: string): ts.SourceFile;
/** Import and add module to root app module. */
export declare function addModuleImportToRootModule(host: Tree, moduleName: string, src: string, project: ProjectDefinition): void;
/**
* Import and add module to specific module path.
* @param host the tree we are updating
* @param modulePath src location of the module to import
* @param moduleName name of module to import
* @param src src location to import
*/
export declare function addModuleImportToModule(host: Tree, modulePath: string, moduleName: string, src: string): void;