private boolean jj_3R_52() {
    if (jj_3R_92()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_93()) jj_scanpos = xsp;
    if (jj_scan_token(K_IN)) return true;
    if (jj_scan_token(91)) return true;
    xsp = jj_scanpos;
    if (jj_3R_94()) {
    jj_scanpos = xsp;
    if (jj_3R_95()) return true;
    }
    if (jj_scan_token(92)) return true;
    return false;
  }