presto-atop/src/main/java/io/prestosql/plugin/atop/AtopMetadata.java/AtopMetadata/listTables
class AtopMetadata:    @Override
    public List<SchemaTableName> listTables(ConnectorSession session, Optional<String> schemaName)
    {
        if (!schemaName.isPresent()) {
            return Stream.of(AtopTable.values())
                    .map(table -> new SchemaTableName(environment, table.getName()))
                    .collect(Collectors.toList());
        }
        if (!listSchemaNames(session).contains(schemaName.get())) {
            return ImmutableList.of();
        }
        return Stream.of(AtopTable.values())
                .map(table -> new SchemaTableName(schemaName.get(), table.getName()))
                .collect(Collectors.toList());
    }