Added deprecation for renaming config option 'xpack.actions.whitelist…

…edHosts' to 'xpack.actions.allowedHosts' (#76325)

x-pack/plugins/actions/server/index.ts

@@ -4,11 +4,12 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { PluginInitializerContext } from '../../../../src/core/server';
+import { PluginInitializerContext, PluginConfigDescriptor } from '../../../../src/core/server';
 import { ActionsPlugin } from './plugin';
 import { configSchema } from './config';
 import { ActionsClient as ActionsClientClass } from './actions_client';
 import { ActionsAuthorization as ActionsAuthorizationClass } from './authorization/actions_authorization';
+import { ActionsConfigType } from './types';
 
 export type ActionsClient = PublicMethodsOf<ActionsClientClass>;
 export type ActionsAuthorization = PublicMethodsOf<ActionsAuthorizationClass>;
@@ -24,6 +25,9 @@ export { PluginSetupContract, PluginStartContract } from './plugin';
 
 export const plugin = (initContext: PluginInitializerContext) => new ActionsPlugin(initContext);
 
-export const config = {
+export const config: PluginConfigDescriptor<ActionsConfigType> = {
   schema: configSchema,
+  deprecations: ({ renameFromRoot }) => [
+    renameFromRoot('xpack.actions.whitelistedHosts', 'xpack.actions.allowedHosts'),
+  ],
 };