static O evalWithTimeoutOrNullReleasingDBLock(int timeoutMS, fO r) {
  ret eitherA(evalWithTimeoutReleasingDBLock(timeoutMS, r));
}

static O evalWithTimeoutOrNullReleasingDBLock(double timeoutSeconds, fO r) {
  ret eitherA(evalWithTimeoutReleasingDBLock(timeoutSeconds, r));
}