diff --git a/plugins/catalog/alpha-api-report.md b/plugins/catalog/alpha-api-report.md
index db76a2e0f3..aba33fc092 100644
--- a/plugins/catalog/alpha-api-report.md
+++ b/plugins/catalog/alpha-api-report.md
@@ -3,8 +3,14 @@
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
 ```ts
+/// <reference types="react" />
+
+import { AnyExtensionInputMap } from '@backstage/frontend-plugin-api';
 import { BackstagePlugin } from '@backstage/frontend-plugin-api';
 import { Extension } from '@backstage/frontend-plugin-api';
+import { ExternalRouteRef } from '@backstage/frontend-plugin-api';
+import { PortableSchema } from '@backstage/frontend-plugin-api';
+import { RouteRef } from '@backstage/frontend-plugin-api';
 
 // @alpha (undocumented)
 export const CatalogApi: Extension<{}>;
@@ -15,7 +21,45 @@ export const CatalogSearchResultListItemExtension: Extension<{
 }>;
 
 // @alpha (undocumented)
-const _default: BackstagePlugin<{}, {}>;
+export function createCatalogFilterExtension<
+  TInputs extends AnyExtensionInputMap,
+  TConfig = never,
+>(options: {
+  id: string;
+  inputs?: TInputs;
+  configSchema?: PortableSchema<TConfig>;
+  loader: (options: { config: TConfig }) => Promise<JSX.Element>;
+}): Extension<TConfig>;
+
+// @alpha (undocumented)
+const _default: BackstagePlugin<
+  {
+    catalogIndex: RouteRef<undefined>;
+    catalogEntity: RouteRef<{
+      name: string;
+      kind: string;
+      namespace: string;
+    }>;
+  },
+  {
+    viewTechDoc: ExternalRouteRef<
+      {
+        name: string;
+        kind: string;
+        namespace: string;
+      },
+      true
+    >;
+    createComponent: ExternalRouteRef<undefined, true>;
+    createFromTemplate: ExternalRouteRef<
+      {
+        namespace: string;
+        templateName: string;
+      },
+      true
+    >;
+  }
+>;
 export default _default;
 
 // @alpha (undocumented)