docs: protected void buildEcpFaultResponse(final HttpServletResponse response,
                                           final HttpServletRequest request,
                                           final Pair<RequestAbstractType, String> authenticationContext) {
          request.setAttribute(SamlIdPConstants.REQUEST_ATTRIBUTE_ERROR, authenticationContext.getValue());
          getSamlProfileHandlerConfigurationContext().getSamlFaultResponseBuilder()
              .build(authenticationContext.getKey(), request, response,
                  null, null, null, SAMLConstants.SAML2_PAOS_BINDING_URI, null);
  
      }