server: {
    mandatory: {
        ApplicationBasic: typeof ApplicationBasicServer;
        ApplicationLauncher: typeof ApplicationLauncherServer;
        KeypadInput: typeof KeypadInputServer;
    };
    optional: {
        AccountLogin: typeof AccountLoginServer;
        Binding: typeof BindingServer;
        Channel: typeof ChannelServer;
        ContentLauncher: typeof ContentLauncherServer;
        MediaPlayback: typeof MediaPlaybackServer;
        TargetNavigator: typeof TargetNavigatorServer;
    };
}

An implementation for each server cluster supported by the endpoint per the Matter specification.