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static class RemoteDB {
  DialogIO db;
  
  *(S botName) {
    if (isSnippetID(botName)) botName += " Concepts.";
    db = findBot(botName);
  }
  
  bool functional() { ret db != null; }
  
  L<RC> list() {
    ret (L<RC>) rpc(db, "xlist");
  }
  
  L<RC> xlist(S className) { ret list(className); }
  
  L<RC> list(S className) {
    ret (L<RC>) rpc(db, "xlist", className);
  }
  
  S xclass(RC o) {
    ret (S) rpc(db, "xclass", o);
  }
  
  O xget(RC o, S field) {
    ret rpc(db, "xget", o, field);
  }
  
  S xS(RC o, S field) {
    ret (S) xget(o, field);
  }
  
  RC xgetref(RC o, S field) {
    ret (RC) xget(o, field);
  }
  
  void xset(RC o, S field, O value) {
    rpc(db, "xset", o, field, value);
  }
  
  RC uniq(S className) {
    RC ref = first(list(className));
    if (ref == null)
      ref = xnew(className);
    ret ref;
  }
  
  RC xnew(S className, O... values) {
    ret (RC) rpc(db, "xnew", className, values);
  }
  
  void xdelete(RC o) {
    rpc(db, "xdelete", o);
  }
  
  void xdelete(L<RC> l) {
    rpc(db, "xdelete", l);
  }

  void close() {
    if (db != null)
      db.close();
  }
  
  S fullgrab() {
    ret (S) rpc(db, "xfullgrab");
  }
}