public DescribeDelegationTokenOptions owners(List<KafkaPrincipal> owners) {
        this.owners = owners;
        return this;
    }
If owners is null, all the user owned tokens and tokens where user have Describe permission
will be returned.
@param owners The owners that we want to describe delegation tokens for
@return this instance
clients/src/main/java/org/apache/kafka/clients/admin/DescribeDelegationTokenOptions.java