presto-main/src/main/java/io/prestosql/security/AccessControlManager.java/AccessControlManager/AccessControlManager
class AccessControlManager:    @Inject
    public AccessControlManager(TransactionManager transactionManager)
    {
        this.transactionManager = requireNonNull(transactionManager, "transactionManager is null");
        addSystemAccessControlFactory(new AllowAllSystemAccessControl.Factory());
        addSystemAccessControlFactory(new ReadOnlySystemAccessControl.Factory());
        addSystemAccessControlFactory(new FileBasedSystemAccessControl.Factory());
    }