private void EnsureReReponse(params ApiSentence[] responseSentences)
{
foreach (ApiSentence responseSentence in responseSentences)
{
ApiReSentence reSentence = responseSentence as ApiReSentence;
if (reSentence == null)
throw new TikConnectionException("!re sentence expected as result.", this, responseSentence);
}
}