{
  "header": {
    "keys": [
      {
        "name": "server",
        "matchChars": [
          "*nginx"
        ],
        "version_ext": [
          "str=str.split(' ')[0]",
          "str=str.replace('nginx/', '')",
          "str=/^[0-9]*$/.test(str.replace(/\\./g, ''))?str:''"
        ]
      },
      {
        "name": "x-nginx-cache-status"
      },
      {
        "name": "x-rocket-nginx-serving-static"
      },
      {
        "name": "x-nginx-upstream-cache-status"
      },
      {
        "name": "x-nginx-cache"
      },
      {
        "name": "x-nginx-server"
      },
      {
        "name": "x-rocket-nginx-bypass"
      },
      {
        "name": "x-rocket-nginx-reason"
      },
      {
        "name": "x-rocket-nginx-file"
      },
      {
        "name": "x-nginx-page-cache"
      },
      {
        "name": "x-nginx-request-time"
      },
      {
        "name": "x-cache-nginx-reason"
      },
      {
        "name": "x-cache-nginx-file"
      },
      {
        "name": "x-nginx-cache-key"
      },
      {
        "name": "x-nginx"
      },
      {
        "name": "x-nginx-host"
      },
      {
        "name": "x-heroku-nginx"
      }
    ]
  }
}