| FirebaseError |
| SDK_VERSION | The current SDK version. |
| deleteApp | Renders this app unusable and frees the resources of all associated services. |
| getApp | Retrieves a {@link @firebase/app#FirebaseApp} instance. |
| getApps | A (read-only) array of all initialized apps. |
| initializeApp | Creates and initializes a {@link @firebase/app#FirebaseApp} instance. |
| initializeServerApp | Creates and initializes a {@link @firebase/app#FirebaseServerApp} instance. |
| onLog | Sets log handler for all Firebase SDKs. |
| registerVersion | Registers a library's name and version for platform logging purposes. |
| setLogLevel | Sets log level for all Firebase SDKs. |
| FirebaseApp | A {@link @firebase/app#FirebaseApp} holds the initialization information for a collection of services. |
| FirebaseAppSettings | |
| FirebaseOptions | |
| FirebaseServerApp | A {@link @firebase/app#FirebaseServerApp} holds the initialization information for a collection of services running in server environments. |
| FirebaseServerAppSettings |