[
  {
    "namespace": "urlHelpers",
    "description": "experimental API to get eTLD for a URL",
    "functions": [
      {
        "name": "getBaseDomainFromHost",
        "type": "function",
        "description": "",
        "parameters": [
          {
            "name": "host",
            "type": "string",
            "description": "The host for which to get its eTLD."
          }
        ],
        "returns": {
          "type": "string",
          "description": "The base domain (or exception if fails)."
        }
      }
    ]
  }
]