presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/ForwardingJdbcClient.java/ForwardingJdbcClient/getTableNames
class ForwardingJdbcClient:    @Override
    public List<SchemaTableName> getTableNames(JdbcIdentity identity, Optional<String> schema)
    {
        return getDelegate().getTableNames(identity, schema);
    }