[RemoteConfig] Add left out API to RemoteConfig class

PiperOrigin-RevId: 288024263

Author: cynthiajiang

remote_config/src/android/remote_config_android.cc

@@ -907,6 +907,12 @@ std::map<std::string, Variant> RemoteConfigInternal::GetAll() {
   // TODO(cynthiajiang) implement
   return value;
 }
+
+const ConfigInfo& RemoteConfigInternal::GetInfo() const {
+  static ConfigInfo config_info;
+  // TODO(cynthiajiang) implement
+  return config_info;
+}
 }  // namespace internal
 }  // namespace remote_config
 }  // namespace firebase

remote_config/src/include/firebase/remote_config.h

@@ -721,6 +721,13 @@ class RemoteConfig {
   /// key. The default value, if the key was set with @ref SetDefaults().
   std::map<std::string, Variant> GetAll();
 
+  /// @brief Returns information about the last fetch request, in the form
+  /// of a ConfigInfo struct.
+  ///
+  /// @return A ConfigInfo struct, containing fields reflecting the state
+  /// of the most recent fetch request.
+  const ConfigInfo& GetInfo();
+
   /// Gets the App this remote config object is connected to.
   App* app() { return app_; }
 

remote_config/src/ios/remote_config_ios.mm

@@ -521,6 +521,12 @@ bool ActivateFetched() {
   // TODO(cynthiajiang) implement
   return value;
 }
+
+const ConfigInfo& RemoteConfigInternal::GetInfo() const {
+  static ConfigInfo config_info;
+  // TODO(cynthiajiang) implement
+  return config_info;
+}
 }  // namespace internal
 }  // namespace remote_config
 }  // namespace firebase

remote_config/src/remote_config.cc

@@ -220,6 +220,11 @@ std::vector<std::string> RemoteConfig::GetKeys() {
 std::map<std::string, Variant> RemoteConfig::GetAll() {
   return internal_->GetAll();
 }
+
+// TODO(b/147143718): Change to a more descriptive name.
+const ConfigInfo& RemoteConfig::GetInfo() {
+  return internal_->GetInfo();
+}
 #endif  // FIREBASE_EARLY_ACCESS_PREVIEW
 
 }  // namespace remote_config