createConstant(APPLICATION_TYPE, "vnd.apple.pkpass");

  /**
   * <a href="http://en.wikipedia.org/wiki/Embedded_OpenType">Embedded OpenType</a> fonts. This is
   * <a href="http://www.iana.org/assignments/media-types/application/vnd.ms-fontobject">registered
   * </a> with the IANA.
   *
   * @since 17.0
   */
  public static final MediaType EOT = createConstant(APPLICATION_TYPE, "vnd.ms-fontobject");

  /**

text/html=html\n\
application/msword=word\n\
application/vnd.openxmlformats-officedocument.wordprocessingml.document=word\n\
application/vnd.ms-excel=excel\n\
application/vnd.ms-excel.sheet.2=excel\n\
application/vnd.ms-excel.sheet.3=excel\n\
application/vnd.ms-excel.sheet.4=excel\n\
application/vnd.ms-excel.workspace.3=excel\n\
application/vnd.ms-excel.workspace.4=excel\n\
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet=excel\n\

                response.setContentType("text/css");
            } else if (lowerPath.endsWith(".eot")) {
                response.setContentType("application/vnd.ms-fontobject");
            } else if (lowerPath.endsWith(".ico")) {
                response.setContentType("image/vnd.microsoft.icon");
            } else if (lowerPath.endsWith(".js")) {
                response.setContentType("text/javascript");

            .url("https://api.github.com/repos/square/okhttp/issues")
            .header("User-Agent", "OkHttp Headers.java")
            .addHeader("Accept", "application/json; q=0.5")
            .addHeader("Accept", "application/vnd.github.v3+json")
            .build()

        client.newCall(request).execute().use { response ->
          if (!response.isSuccessful) throw IOException("Unexpected code $response")