/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { Tree } from '@angular-devkit/schematics';
import { Schema as ComponentOptions } from '@schematics/angular/component/schema';
import { workspaces } from '@angular-devkit/core';
import * as ts from 'typescript';
/** 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: workspaces.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;
/** Wraps the internal find module from options with undefined path handling  */
export declare function findModuleFromOptions(host: Tree, options: ComponentOptions): Promise<string | undefined>;