Merge branch 'zhiyuanliang/register-all-refresh' of https://github.com/Azure/AppConfiguration-JavaScriptProvider into zhiyuanliang/enforce-api-version-for-cdn

Author: zhiyuanliang-ms

src/AzureAppConfigurationImpl.ts

@@ -427,6 +427,9 @@ export class AzureAppConfigurationImpl implements AzureAppConfiguration {
         }
     }
 
+    /**
+     * Loads feature flags from App Configuration to the local configuration.
+     */
     async #loadFeatureFlags() {
         const loadFeatureFlag = true;
         const featureFlagSettings = await this.#loadConfigurationSettings(loadFeatureFlag);