std::shared_ptr<Request> Buffer::selectFromBuffer() {
while (queue[outPointer_] == nullptr) {
    outPointer_++;
}
if (outPointer_ < bufferSize_) {
    size_t tmp = outPointer_;
    temp_ = queue.at(tmp);
    queue[tmp] = nullptr;
    bufferPointer_ = outPointer_;
    outPointer_++;
    —amountRequestInBuffer_;
    return temp_;
} else {
    outPointer_ = 0;
    size_t tmp = outPointer_;
    temp_ = queue.at(tmp);
    queue[tmp] = nullptr;
    bufferPointer_ = outPointer_;
    outPointer_++;
    —amountRequestInBuffer_;
    return temp_;
}