anchor.diff:        sources."end-of-stream-1.4.4"
         sources."escape-html-1.0.3"
         sources."etag-1.8.1"
  -      (sources."execa-3.4.0" // {
  +      (sources."execa-4.0.0" // {
           dependencies = [
             sources."is-stream-2.0.0"
           ];
         })
  -      sources."express-4.16.3"
  +      (sources."express-4.16.3" // {
  +        dependencies = [
  +          sources."body-parser-1.18.2"
  +          sources."bytes-3.0.0"
  +          sources."http-errors-1.6.3"
  +          sources."iconv-lite-0.4.19"
  +          sources."qs-6.5.1"
  +          (sources."raw-body-2.3.2" // {
  +            dependencies = [
  +              sources."depd-1.1.1"
  +              sources."http-errors-1.6.2"
  +              sources."setprototypeof-1.0.3"
  +            ];
  +          })
  +          sources."setprototypeof-1.1.0"
  +          sources."statuses-1.4.0"
  +        ];
  +      })
         (sources."express-ws-2.0.0" // {
           dependencies = [
             sources."ws-1.1.5"
  
positive.code:         sha1 = "6309f4e0e5fa913ec1c69307ae364b4b377c9e7b";
        };
      };
      "picomatch-2.1.1" = {
        name = "picomatch";
        packageName = "picomatch";
        version = "2.1.1";
        src = fetchurl {
          url = "https://registry.npmjs.org/picomatch/-/picomatch-2.1.1.tgz";
          sha512 = "OYMyqkKzK7blWO/+XZYP6w8hH0LDvkBvdvKukti+7kqYFCiEAk+gI3DWnryapc0Dau05ugGTy0foQ6mqn4AHYA==";
        };
      };
      "pify-3.0.0" = {
  
negative.code:       sources."isurl-1.0.0"
        sources."json-buffer-3.0.0"
        sources."keyv-3.0.0"
        sources."kind-of-6.0.3"
        sources."latest-version-4.0.0"
        sources."lowercase-keys-1.0.1"
        sources."makeerror-1.0.11"
  