presto-main/src/main/java/io/prestosql/security/AccessControlManager.java/AccessControlManager/addSystemAccessControlFactory
class AccessControlManager:    public final void addSystemAccessControlFactory(SystemAccessControlFactory accessControlFactory)
    {
        requireNonNull(accessControlFactory, "accessControlFactory is null");

        if (systemAccessControlFactories.putIfAbsent(accessControlFactory.getName(), accessControlFactory) != null) {
            throw new IllegalArgumentException(format("Access control '%s' is already registered", accessControlFactory.getName()));
        }
    }