private static AlterUserScramCredentialsRequestData.ScramCredentialDeletion getScramCredentialDeletion(UserScramCredentialDeletion d) {
        return new AlterUserScramCredentialsRequestData.ScramCredentialDeletion().setName(d.user()).setMechanism(d.mechanism().type());
    }
Returns the broker id pertaining to the given resource, or null if the resource is not associated
with a particular broker.
clients/src/main/java/org/apache/kafka/clients/admin/KafkaAdminClient.java