default RenewDelegationTokenResult renewDelegationToken(byte[] hmac) {
        return renewDelegationToken(hmac, new RenewDelegationTokenOptions());
    }
Renew a Delegation Token.
<p>
This is a convenience method for {@link #renewDelegationToken(byte[], RenewDelegationTokenOptions)} with default options.
See the overload for more details.

@param hmac HMAC of the Delegation token
@return The RenewDelegationTokenResult.
clients/src/main/java/org/apache/kafka/clients/admin/Admin.java