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