public Builder addEnabledAuthenticationType(final AuthenticationType val) {
            if (val != null) {
                if (enabledAuthenticationTypes == null) {
                    enabledAuthenticationTypes = NullSafe.enumSetOf(AuthenticationType.class, val);
                } else {
                    enabledAuthenticationTypes.add(val);
                }
            }
            return this;
        }
@return True if the passed {@link AuthenticationType} has been configured as enabled for use..
stroom-receive/stroom-receive-common/src/main/java/stroom/receive/common/ReceiveDataConfig.java