Updated the files.

my-app/node_modules/@schematics/angular/utility/generate-from-files.d.ts

@@ -0,0 +1,18 @@
+/**
+ * @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 { Rule } from '@angular-devkit/schematics';
+export interface GenerateFromFilesOptions {
+    flat?: boolean;
+    name: string;
+    path?: string;
+    prefix?: string;
+    project: string;
+    skipTests?: boolean;
+    templateFilesDirectory?: string;
+}
+export declare function generateFromFiles(options: GenerateFromFilesOptions, extraTemplateValues?: Record<string, string | ((v: string) => string)>): Rule;