private boolean jj_3R_27() {
    if (jj_scan_token(TEMPORAL_START)) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_35()) {
    jj_scanpos = xsp;
    if (jj_3_36()) return true;
    }
    xsp = jj_scanpos;
    if (jj_3_38()) jj_scanpos = xsp;
    if (jj_scan_token(TEMPORAL_END)) return true;
    return false;
  }