docs: protected void validateRequiredNameIdFormatIfAny(final RequestAbstractType authnRequest,
                                                       final SamlRegisteredServiceServiceProviderMetadataFacade adaptor,
                                                       final List<String> supportedNameFormats,
                                                       final String requiredNameFormat) {
          if (StringUtils.isNotBlank(requiredNameFormat) && !supportedNameFormats.contains(requiredNameFormat)) {
              LOGGER.warn("Required NameID format [{}] in the AuthN request issued by [{}] is not supported based on the metadata for [{}]. "
                      + "The requested NameID format may not be honored. You should consult the metadata for this service "
                      + "and ensure the requested NameID format is present in the collection of supported "
                      + "metadata formats in the metadata, which are the following: [{}]",
                  requiredNameFormat, SamlIdPUtils.getIssuerFromSamlObject(authnRequest),
                  adaptor.getEntityId(), adaptor.getSupportedNameIdFormats());
          }
      }