@JsonPropertyDescription(
            "An allow-list containing IP addresses or fully qualified host names to verify that the direct sender " +
            "of a request (e.g. a load balancer or reverse proxy) is trusted to supply certificate/DN headers " +
            "as configured with 'x509CertificateHeader' and 'x509CertificateDnHeader'. " +
            "If this list is null/empty then no check will be made on the client's " +
            "address.")
    public Set<String> getAllowedCertificateProviders() {
        return allowedCertificateProviders;
    }
@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