class TomcatGroupManager extends BaseTomcatManager implements GroupManager,
                                                                     ContextualManager {

    @Override
    public Group get(String identifier) throws SecurityManagementException {
        MemoryUserDatabase userDatabase = getDatabase();
        try {
            org.apache.catalina.Role group = getRole(userDatabase,
                                                     identifier);
            return createGroup(group);
        } finally {
            closeDatabase(userDatabase);
        }
    }

    public  TomcatGroupManager();
    public  TomcatGroupManager(final Map<String, String> gitPrefs);
    public  TomcatGroupManager(final ConfigProperties gitPrefs);

}