code: @XmlElement(name = "authentication-mechanism-type", required = true)
      public void setAuthenticationMechanismType(String authMech) {
          AuthenticationMechanismType type = AuthenticationMechanismType.valueOf(authMech);
          authenticationMechanismType = type.name();
      }
docs: Set the authentication mechanism type
  
  @param the authentication mechanism type