code: public static void writeOutContent(final byte[] data, final String filename, final String mime) {
          writeOutContent(data, filename, mime, true);
      }
docs: Used to send arbitrary data to the user (i.e. to download files)
  
  @param data     The contents of the file
  @param filename The name of the file to send to the browser
  @param mime     The MIME type of the file