presto-hive/src/main/java/io/prestosql/plugin/hive/authentication/AuthenticationModules.java/AuthenticationModules/createCachingKerberosHadoopAuthentication
class AuthenticationModules:    private static HadoopAuthentication createCachingKerberosHadoopAuthentication(String principal, String keytabLocation, HdfsConfigurationInitializer updater)
    {
        KerberosAuthentication kerberosAuthentication = new KerberosAuthentication(principal, keytabLocation);
        KerberosHadoopAuthentication kerberosHadoopAuthentication = createKerberosHadoopAuthentication(kerberosAuthentication, updater);
        return new CachingKerberosHadoopAuthentication(kerberosHadoopAuthentication);
    }