docs: function() {
          var allow_navigations = this.doc.findall('./allow-navigation');
          return allow_navigations.map(function(allow_navigation){
              var minimum_tls_version = allow_navigation.attrib['minimum-tls-version']; /* String */
              var requires_forward_secrecy = allow_navigation.attrib['requires-forward-secrecy']; /* Boolean */
              var requires_certificate_transparency = allow_navigation.attrib['requires-certificate-transparency']; /* Boolean */
  
              return {
                  'href': allow_navigation.attrib.href,
                  'minimum_tls_version': minimum_tls_version,
                  'requires_forward_secrecy' : requires_forward_secrecy,
                  'requires_certificate_transparency' : requires_certificate_transparency
              };
          });
      }