presto-spi/src/main/java/io/prestosql/spi/connector/classloader/ClassLoaderSafeConnectorMetadata.java/ClassLoaderSafeConnectorMetadata/ClassLoaderSafeConnectorMetadata
class ClassLoaderSafeConnectorMetadata:    public ClassLoaderSafeConnectorMetadata(ConnectorMetadata delegate, ClassLoader classLoader)
    {
        this.delegate = requireNonNull(delegate, "delegate is null");
        this.classLoader = requireNonNull(classLoader, "classLoader is null");
    }