sS youtubeSearch_userAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1";

static int youtubeSearch_timeout = toMS_int(20.0);

static L<Map> youtubeSearch(S q) {
  temp tempLoadingAnim("YouTube search: " + q);
  S html = loadPageWithUserAgentAndTimeout("https://www.youtube.com/results?search_query=" + urlencode(q), youtubeSearch_userAgent, youtubeSearch_timeout);
  printIndent("XX ", html);
  int i = indexOf(html, [[{"responseContext":]]);
  print(i);
  if (i < 0) null;
  S json = dropSuffix(";", firstLine(substring(html, i)));
  print("Got JSON: " + json);
  ret (L) jsonDecode(json);
}