private boolean jj_3R_17() {
    if (jj_3R_45()) return true;
    if (jj_3R_49()) return true;
    if (jj_scan_token(LP)) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_51()) jj_scanpos = xsp;
    if (jj_scan_token(RP)) return true;
    if (jj_3R_30()) return true;
    return false;
  }