fix(@angular-devkit/build-angular): expose ssr-dev-server builder in the public api

(cherry picked from commit f5ec789)

Author: leosvelperez

goldens/public-api/angular_devkit/build_angular/index.md

@@ -9,6 +9,7 @@ import { BuilderOutput } from '@angular-devkit/architect';
 import type { ConfigOptions } from 'karma';
 import { Configuration } from 'webpack';
 import { DevServerBuildOutput } from '@angular-devkit/build-webpack';
+import { json } from '@angular-devkit/core';
 import { Observable } from 'rxjs';
 import { OutputFile } from 'esbuild';
 import type { Plugin as Plugin_2 } from 'esbuild';
@@ -227,6 +228,9 @@ export function executeServerBuilder(options: ServerBuilderOptions, context: Bui
     webpackConfiguration?: ExecutionTransformer<webpack.Configuration>;
 }): Observable<ServerBuilderOutput>;
 
+// @public (undocumented)
+export function executeSSRDevServerBuilder(options: SSRDevServerBuilderOptions, context: BuilderContext): Observable<SSRDevServerBuilderOutput>;
+
 // @public
 export type ExecutionTransformer<T> = (input: T) => T | Promise<T>;
 
@@ -381,6 +385,15 @@ export interface SourceMapObject {
 // @public
 export type SourceMapUnion = boolean | SourceMapObject;
 
+// @public (undocumented)
+export type SSRDevServerBuilderOptions = Schema & json.JsonObject;
+
+// @public (undocumented)
+export type SSRDevServerBuilderOutput = BuilderOutput & {
+    baseUrl?: string;
+    port?: string;
+};
+
 // @public
 export interface StylePreprocessorOptions {
     includePaths?: string[];

packages/angular_devkit/build_angular/src/builders/ssr-dev-server/index.ts

@@ -48,7 +48,7 @@ const IGNORED_STDOUT_MESSAGES = [
   'Angular is running in development mode. Call enableProdMode() to enable production mode.',
 ];
 
-type SSRDevServerBuilderOptions = Schema & json.JsonObject;
+export type SSRDevServerBuilderOptions = Schema & json.JsonObject;
 export type SSRDevServerBuilderOutput = BuilderOutput & {
   baseUrl?: string;
   port?: string;

packages/angular_devkit/build_angular/src/index.ts

@@ -59,4 +59,10 @@ export {
   ServerBuilderOutput,
 } from './builders/server';
 
+export {
+  execute as executeSSRDevServerBuilder,
+  SSRDevServerBuilderOptions,
+  SSRDevServerBuilderOutput,
+} from './builders/ssr-dev-server';
+
 export { execute as executeNgPackagrBuilder, NgPackagrBuilderOptions } from './builders/ng-packagr';