server: {
    mandatory: {
        AccessControl: typeof AccessControlServer;
        AdministratorCommissioning: typeof AdministratorCommissioningServer;
        BasicInformation: typeof BasicInformationServer;
        GeneralCommissioning: typeof GeneralCommissioningServer;
        GeneralDiagnostics: typeof GeneralDiagnosticsServer;
        GroupKeyManagement: typeof GroupKeyManagementServer;
        Index: typeof IndexBehavior;
        OperationalCredentials: typeof OperationalCredentialsServer;
        Parts: typeof PartsBehavior;
    };
    optional: {
        DiagnosticLogs: typeof DiagnosticLogsServer;
        EthernetNetworkDiagnostics: typeof EthernetNetworkDiagnosticsServer;
        IcdManagement: typeof IcdManagementServer;
        LocalizationConfiguration: typeof LocalizationConfigurationServer;
        NetworkCommissioning: typeof NetworkCommissioningServer;
        PowerSourceConfiguration: typeof PowerSourceConfigurationServer;
        SoftwareDiagnostics: typeof SoftwareDiagnosticsServer;
        ThreadNetworkDiagnostics: typeof ThreadNetworkDiagnosticsServer;
        TimeFormatLocalization: typeof TimeFormatLocalizationServer;
        TimeSynchronization: typeof TimeSynchronizationServer;
        UnitLocalization: typeof UnitLocalizationServer;
        WiFiNetworkDiagnostics: typeof WiFiNetworkDiagnosticsServer;
    };
} = ...

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