presto-spi/src/main/java/io/prestosql/spi/connector/classloader/ClassLoaderSafeConnectorMetadata.java/ClassLoaderSafeConnectorMetadata/listSchemaNames
class ClassLoaderSafeConnectorMetadata:    @Override
    public List<String> listSchemaNames(ConnectorSession session)
    {
        try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
            return delegate.listSchemaNames(session);
        }
    }