presto-hive/src/main/java/io/prestosql/plugin/hive/HdfsEnvironment.java/HdfsEnvironment/getFileSystem
class HdfsEnvironment:    public FileSystem getFileSystem(String user, Path path, Configuration configuration)
            throws IOException
    {
        return hdfsAuthentication.doAs(user, () -> {
            FileSystem fileSystem = path.getFileSystem(configuration);
            fileSystem.setVerifyChecksum(verifyChecksum);
            return fileSystem;
        });
    }