code: function doGet($host, $path, $params = null)
      {
          Checker::argString("host", $host);
          Checker::argString("path", $path);
          return RequestUtil::doGet($this->clientIdentifier, $this->accessToken, $this->userLocale,
                                    $host, $path, $params);
      }
docs: Perform an OAuth-2-authorized GET request to the Dropbox API.  Will automatically
  fill in "User-Agent" and "locale" as well.
  
  @param string $host
  Either the "API" or "API content" hostname from {@link getHost()}.
  @param string $path
  The "path" part of the URL.  For example, "/account/info".
  @param array|null $params
  GET parameters.
  @return HttpResponse
  
  @throws Exception