blackduck - Deprecated legacy backend (#2045)

Signed-off-by: Andre Wanlin <awanlin@spotify.com>

workspaces/blackduck/.changeset/dirty-carrots-accept.md

@@ -0,0 +1,5 @@
+---
+'@backstage-community/plugin-blackduck-backend': patch
+---
+
+Deprecated `createRouter` and its router options in favour of the new backend system.

workspaces/blackduck/plugins/blackduck-backend/report.api.md

@@ -34,10 +34,10 @@ export interface BlackDuckHostConfig {
 const blackduckPlugin: BackendFeature;
 export default blackduckPlugin;
 
-// @public (undocumented)
+// @public @deprecated (undocumented)
 export function createRouter(options: RouterOptions): Promise<express.Router>;
 
-// @public (undocumented)
+// @public @deprecated (undocumented)
 export interface RouterOptions {
   // (undocumented)
   blackDuckConfig: BlackDuckConfig;

workspaces/blackduck/plugins/blackduck-backend/src/service/router.ts

@@ -35,7 +35,10 @@ import {
 import { BlackDuckRestApi } from '../api/BlackDuckRestApi';
 import { BlackDuckConfig } from './BlackDuckConfig';
 
-/** @public */
+/**
+ * @deprecated Please migrate to the new backend system as this will be removed in the future.
+ *
+ * @public */
 export interface RouterOptions {
   logger: LoggerService;
   config: Config;
@@ -45,7 +48,10 @@ export interface RouterOptions {
   blackDuckConfig: BlackDuckConfig;
 }
 
-/** @public */
+/**
+ * @deprecated Please migrate to the new backend system as this will be removed in the future.
+ *
+ * @public */
 export async function createRouter(
   options: RouterOptions,
 ): Promise<express.Router> {