onTextMentionWithTextContent
suspend fun <BC : BehaviourContext> BC.onTextMentionWithTextContent(userId: UserId, initialFilter: CommonMessageFilter<TextContent>? = null, subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextContent>, Update>? = null, markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any> = AnyMarkerFactory(), scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextContent>>): Job