//After

void playerShowQuestLine(uint32_t playerId, uint16_t questId);

//Add this

void spectatorSay(const std::string& text, ProtocolGame * spectator);

//After

void sendOfflineTrainingDialog(Player* player);

//Add this

std::mutex playerSafeAccess;

//After

void removeNpc(Npc* npc);

//Add this

void lockPlayers(){ playerSafeAccess.lock(); }
void unlockPlayers(){ playerSafeAccess.unlock(); }