presto-main/src/main/java/io/prestosql/security/ForwardingAccessControl.java/ForwardingAccessControl/filterSchemas
class ForwardingAccessControl:    @Override
    public Set<String> filterSchemas(SecurityContext context, String catalogName, Set<String> schemaNames)
    {
        return getDelegate().filterSchemas(context, catalogName, schemaNames);
    }