presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/ConnectorObjectNameGeneratorModule.java/ConnectorObjectNameGeneratorModule/ConnectorObjectNameGeneratorModule
class ConnectorObjectNameGeneratorModule:    public ConnectorObjectNameGeneratorModule(String catalogName)
    {
        this.catalogName = requireNonNull(catalogName, "catalogName is null");
    }