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