@SuppressWarnings("unused")
    @JsonIgnore
    @ValidationMethod(message = "INTERNAL_IDP is not a valid value for identityProviderType in stroom-proxy.")
    public boolean isIdentityProviderTypeValid() {
        return !IdpType.INTERNAL_IDP.equals(getIdentityProviderType());
    }
@return The type of Open ID Connnect identity provider in use.
stroom-proxy/stroom-proxy-app/src/main/java/stroom/proxy/app/ProxyOpenIdConfig.java