private boolean jj_3R_166() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_212()) jj_scanpos = xsp;
    if (jj_scan_token(FUNCTION)) return true;
    if (jj_3R_45()) return true;
    xsp = jj_scanpos;
    if (jj_3R_213()) jj_scanpos = xsp;
    if (jj_scan_token(RETURN)) return true;
    if (jj_3R_56()) return true;
    return false;
  }