class Headers {
  protected:
    QVariantMap headers;

    QString normalize(const QString & header) {
      QStringList parts = header.toLower().split("-");
      for (int i = 0; i < parts.size(); ++i) {
        QString part = parts[0];
        if (part.length()) {
          parts[i] = part[0].toUpper() + part.mid(1);
        }
      }
      return parts.join("-");
    }

  public:
    Headers(const QVariantMap & headers = QVariantMap()) {
      foreach (QString header, headers.keys()) {
        this->set(this->normalize(header), headers[header]);
      }
    }

    void set(const QString & header, const QVariant & value) {
      this->headers[this->normalize(header)] = value;
    }

    QVariant get(QString header) {
      header = this->normalize(header);
      return this->headers.contains(header) ? this->headers[header] : 0;
    }

    QVariant operator[](const QString & header){
      return this->get(header);
    }

    QList<QString> keys() {
      // Вернет копию?
      return this->headers.keys();
    }
};