anchor.diff:      ];
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  -  by-version."negotiator"."0.4.8" = lib.makeOverridable self.buildNodePackage {
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  -    bin = false;
  -    src = [
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  -        url = "http://registry.npmjs.org/negotiator/-/negotiator-0.4.8.tgz";
  -        name = "negotiator-0.4.8.tgz";
  -        sha1 = "96010b23b63c387f47a4bed96762a831cda39eab";
  +  by-spec."negotiator"."0.4.9" =
  +    self.by-version."negotiator"."0.4.9";
  +  by-version."negotiator"."0.4.9" = lib.makeOverridable self.buildNodePackage {
  +    name = "negotiator-0.4.9";
  +    bin = false;
  +    src = [
  +      (fetchurl {
  +        url = "http://registry.npmjs.org/negotiator/-/negotiator-0.4.9.tgz";
  +        name = "negotiator-0.4.9.tgz";
  +        sha1 = "92e46b6db53c7e421ed64a2bc94f08be7630df3f";
         })
       ];
       buildInputs =
  
positive.code:       "parseurl-1.3.0" = self.by-version."parseurl"."1.3.0";
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        "range-parser-1.0.2" = self.by-version."range-parser"."1.0.2";
        "send-0.9.3" = self.by-version."send"."0.9.3";
        "vary-1.0.0" = self.by-version."vary"."1.0.0";
        "cookie-0.1.2" = self.by-version."cookie"."0.1.2";
        "merge-descriptors-0.0.2" = self.by-version."merge-descriptors"."0.0.2";
  
negative.code:   };
    by-spec."resolve"."~0.3.1" =
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    by-spec."resolve"."~0.7.1" =
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    by-spec."resolve"."~0.7.2" =
      self.by-version."resolve"."0.7.4";
    by-spec."resolve"."~1.0.0" =
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    by-version."resolve"."1.0.0" = lib.makeOverridable self.buildNodePackage {
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      src = [
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          url = "http://registry.npmjs.org/resolve/-/resolve-1.0.0.tgz";
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          sha1 = "2a6e3b314dcd57c6519e8e2282af8687e8de61c6";
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      ];
      buildInputs =
        (self.nativeDeps."resolve" or []);
      deps = {
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      peerDependencies = [
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      passthru.names = [ "resolve" ];
    };
    by-spec."response-time"."~2.2.0" =
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    by-version."response-time"."2.2.0" = lib.makeOverridable self.buildNodePackage {
      name = "response-time-2.2.0";
      bin = false;
      src = [
        (fetchurl {
          url = "http://registry.npmjs.org/response-time/-/response-time-2.2.0.tgz";
          name = "response-time-2.2.0.tgz";
          sha1 = "77ab4688cbf030e9c5f82dc1eac7fe5226d3c8eb";
        })
      ];
      buildInputs =
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      deps = {
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      };
      peerDependencies = [
  