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