change exports to type to avoid increasing bundle size

Stacey Gammon · Stacey Gammon · commit 625c1c5eab8b · 2021-06-09T12:33:04.000-04:00
diff --git a/x-pack/plugins/alerting/public/index.ts b/x-pack/plugins/alerting/public/index.ts
@@ -6,8 +6,8 @@
  */
 
 import { AlertingPublicPlugin } from './plugin';
-export { PluginSetupContract, PluginStartContract } from './plugin';
-export { AlertNavigationHandler } from './alert_navigation_registry';
+export type { PluginSetupContract, PluginStartContract } from './plugin';
+export type { AlertNavigationHandler } from './alert_navigation_registry';
 
 export function plugin() {
   return new AlertingPublicPlugin();
