unsigned int getDestinationId() const { return destination_id_; }
size_t getSize() const { return nodes_.size(); }
const std::vector<std::pair<unsigned int, unsigned int>>& getNodes() const { return nodes_; }
unsigned int getDestinationId() const { return destination_id_; }
size_t getSize() const { return nodes_.size(); }
const std::vector<std::pair<unsigned int, unsigned int>>& getNodes() const { return nodes_; }