public String mechanismName() {
        return this.mechanismName;
    }
@return the corresponding SASL SCRAM mechanism name
@see <a href="https://tools.ietf.org/html/rfc5802#section-4">
    Salted Challenge Response Authentication Mechanism (SCRAM) SASL and GSS-API Mechanisms, Section 4</a>
clients/src/main/java/org/apache/kafka/clients/admin/ScramMechanism.java