static O subBot_serveFileWithName(File file) {
  ret subBot_serveFileWithName(file, file.getName());
}

static O subBot_serveFileWithName(File file, S name) {
  ret call(getMainBot(), 'serveFileWithName, file, name);
}

static O subBot_serveFileWithName(S name, File file) {
  ret subBot_serveFileWithName(file, name);
}

static O subBot_serveFileWithName(File file, S name, S mimeType) {
  ret call(getMainBot(), 'serveFileWithName, file, name, mimeType);
}

Began life as a copy of #1014005