-void Module::OnSyncChannelMetaData(chanrec* chan, Module* proto,void* opaque, const std::string &extname) { };
-void Module::OnSyncUserMetaData(userrec* user, Module* proto,void* opaque, const std::string &extname) { };
-void Module::OnSyncOtherMetaData(Module* proto, void* opaque) { };
+void Module::OnSyncChannelMetaData(chanrec* chan, Module* proto,void* opaque, const std::string &extname, bool displayable) { };
+void Module::OnSyncUserMetaData(userrec* user, Module* proto,void* opaque, const std::string &extname, bool displayable) { };
+void Module::OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable) { };