Updated the files.

my-app/node_modules/@schematics/angular/utility/change.d.ts

@@ -0,0 +1,68 @@
+/**
+ * @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 { UpdateRecorder } from '@angular-devkit/schematics';
+export interface Host {
+    write(path: string, content: string): Promise<void>;
+    read(path: string): Promise<string>;
+}
+export interface Change {
+    apply(host: Host): Promise<void>;
+    readonly path: string | null;
+    readonly order: number;
+    readonly description: string;
+}
+/**
+ * An operation that does nothing.
+ */
+export declare class NoopChange implements Change {
+    description: string;
+    order: number;
+    path: null;
+    apply(): Promise<void>;
+}
+/**
+ * Will add text to the source code.
+ */
+export declare class InsertChange implements Change {
+    path: string;
+    pos: number;
+    toAdd: string;
+    order: number;
+    description: string;
+    constructor(path: string, pos: number, toAdd: string);
+    /**
+     * This method does not insert spaces if there is none in the original string.
+     */
+    apply(host: Host): Promise<void>;
+}
+/**
+ * Will remove text from the source code.
+ */
+export declare class RemoveChange implements Change {
+    path: string;
+    private pos;
+    toRemove: string;
+    order: number;
+    description: string;
+    constructor(path: string, pos: number, toRemove: string);
+    apply(host: Host): Promise<void>;
+}
+/**
+ * Will replace text from the source code.
+ */
+export declare class ReplaceChange implements Change {
+    path: string;
+    private pos;
+    oldText: string;
+    newText: string;
+    order: number;
+    description: string;
+    constructor(path: string, pos: number, oldText: string, newText: string);
+    apply(host: Host): Promise<void>;
+}
+export declare function applyToUpdateRecorder(recorder: UpdateRecorder, changes: Change[]): void;