onMentionWithPhotoContent
suspend fun <BC : BehaviourContext> BC.onMentionWithPhotoContent(username: Username, initialFilter: CommonMessageFilter<PhotoContent>? = null, subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<PhotoContent>, Update>? = null, markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any> = AnyMarkerFactory(), scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>): Job
suspend fun <BC : BehaviourContext> BC.onMentionWithPhotoContent(user: User, initialFilter: CommonMessageFilter<PhotoContent>? = null, subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<PhotoContent>, Update>? = null, markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any> = AnyMarkerFactory(), scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>): Job