presto-google-sheets/src/main/java/io/prestosql/plugin/google/sheets/SheetsMetadata.java/SheetsMetadata/getTableHandle
class SheetsMetadata:    @Override
    public SheetsTableHandle getTableHandle(ConnectorSession session, SchemaTableName tableName)
    {
        requireNonNull(tableName, "tableName is null");
        if (!listSchemaNames(session).contains(tableName.getSchemaName())) {
            return null;
        }

        Optional<SheetsTable> table = sheetsClient.getTable(tableName.getTableName());
        if (!table.isPresent()) {
            return null;
        }

        return new SheetsTableHandle(tableName.getSchemaName(), tableName.getTableName());
    }