presto-hive/src/main/java/io/prestosql/plugin/hive/authentication/KerberosHiveMetastoreAuthentication.java/KerberosHiveMetastoreAuthentication/decodeDelegationToken
class KerberosHiveMetastoreAuthentication:    private static Token<DelegationTokenIdentifier> decodeDelegationToken(String tokenValue)
            throws IOException
    {
        Token<DelegationTokenIdentifier> token = new Token<>();
        token.decodeFromUrlString(tokenValue);
        return token;
    }