-void Module::OnDecodeMetaData(int target_type, void* target, std::string extname, std::string extdata) { };
-void Module::ProtoSendMetaData(void* opaque, int target_type, void* target, std::string extname, std::string extdata) { };
-void Module::OnWallops(userrec* user, std::string text) { };
-void Module::OnChangeHost(userrec* user, std::string newhost) { };
-void Module::OnChangeName(userrec* user, std::string gecos) { };
-void Module::OnAddGLine(long duration, userrec* source, std::string reason, std::string hostmask) { };
-void Module::OnAddZLine(long duration, userrec* source, std::string reason, std::string ipmask) { };
-void Module::OnAddKLine(long duration, userrec* source, std::string reason, std::string hostmask) { };
-void Module::OnAddQLine(long duration, userrec* source, std::string reason, std::string nickmask) { };
-void Module::OnAddELine(long duration, userrec* source, std::string reason, std::string hostmask) { };
-void Module::OnDelGLine(userrec* source, std::string hostmask) { };
-void Module::OnDelZLine(userrec* source, std::string ipmask) { };
-void Module::OnDelKLine(userrec* source, std::string hostmask) { };
-void Module::OnDelQLine(userrec* source, std::string nickmask) { };
-void Module::OnDelELine(userrec* source, std::string hostmask) { };
+void Module::OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata) { };
+void Module::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata) { };
+void Module::OnWallops(userrec* user, const std::string &text) { };
+void Module::OnChangeHost(userrec* user, const std::string &newhost) { };
+void Module::OnChangeName(userrec* user, const std::string &gecos) { };
+void Module::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask) { };
+void Module::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask) { };
+void Module::OnAddKLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask) { };
+void Module::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask) { };
+void Module::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask) { };
+void Module::OnDelGLine(userrec* source, const std::string &hostmask) { };
+void Module::OnDelZLine(userrec* source, const std::string &ipmask) { };
+void Module::OnDelKLine(userrec* source, const std::string &hostmask) { };
+void Module::OnDelQLine(userrec* source, const std::string &nickmask) { };
+void Module::OnDelELine(userrec* source, const std::string &hostmask) { };