Fix exports and api reports

Signed-off-by: Johan Haals <johan.haals@gmail.com>

plugins/graphiql/alpha-api-report.md

@@ -30,5 +30,10 @@ export const GraphiqlPage: Extension<{
   path: string;
 }>;
 
+// @alpha (undocumented)
+export const graphiqlPageSidebarItem: Extension<{
+  title: string;
+}>;
+
 // (No @packageDocumentation comment for this package)
 ```

plugins/graphiql/api-report.md

@@ -7,7 +7,6 @@
 
 import { ApiRef } from '@backstage/core-plugin-api';
 import { BackstagePlugin } from '@backstage/core-plugin-api';
-import { BackstagePlugin as BackstagePlugin_2 } from '@backstage/frontend-plugin-api';
 import { ErrorApi } from '@backstage/core-plugin-api';
 import { FetchApi } from '@backstage/core-plugin-api';
 import { IconComponent } from '@backstage/core-plugin-api';
@@ -16,10 +15,6 @@ import { OAuthApi } from '@backstage/core-plugin-api';
 import { default as React_2 } from 'react';
 import { RouteRef } from '@backstage/core-plugin-api';
 
-// @alpha (undocumented)
-const _default: BackstagePlugin_2;
-export default _default;
-
 // @public
 export type EndpointConfig = {
   id: string;

plugins/graphiql/src/alpha.tsx

@@ -47,6 +47,7 @@ export const GraphiqlPage = createPageExtension({
   loader: () => import('./components').then(m => <m.GraphiQLPage />),
 });
 
+/** @alpha */
 export const graphiqlPageSidebarItem = createNavItemExtension({
   id: 'plugin.graphiql.nav.index',
   title: 'GraphiQL',