function handleRequest(request, response) {
  const flavours = new Set(request.queryString.split(","));

  response.setHeader("Content-Type", "text/javascript", false);

  if (flavours.has("cacheable")) {
    response.setHeader("Cache-Control", "max-age=10000", false);
  } else {
    response.setHeader("Cache-Control", "no-cache", false);
  }

  response.setHeader(
    "Server-Timing",
    `name1, name2;dur=20, name3;desc="desc3";dur=30`,
    false
  );

  if (flavours.has("tao")) {
    response.setHeader("Timing-Allow-Origin", "*", false);
  }

  if (flavours.has("cors")) {
    response.setHeader("Access-Control-Allow-Origin", "*", false);
  }

  response.write("console.log('non-nslow');");
}