static Pair<Concepts, AutoCloseable> persistentConcepts(S dbProgramID, S caseID) {
  new Concepts cc;
  cc.programID = dbProgramID + (nempty(caseID) ? "/" + caseID : "");
  try {
    ensureDBNotRunning(botNameForConcepts(cc));
  } on fail {
    cc.dontSave = true; // SAFETY
  }
  
  cc.persist();
  ret pair(cc, combineAutoCloseables(concepts,
    methodsBot2(name, cc, db_standardExposedMethods(), cc.lock)));
}