try to support nullable marker factory

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/BusinessConnectionTriggers.kt

@@ -27,7 +27,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onBusinessConnection(
     initialFilter: SimpleFilter<BusinessConnection>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BusinessConnection, Update>? = null,
-    markerFactory: MarkerFactory<in BusinessConnection, Any> = ByUserBusinessConnectionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in BusinessConnection, Any>? = ByUserBusinessConnectionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BusinessConnection>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.businessConnectionUpdateOrNull() ?.data) ?.let(::listOfNotNull)
@@ -48,7 +48,7 @@ suspend fun <BC : BehaviourContext> BC.onBusinessConnection(
 suspend fun <BC : BehaviourContext> BC.onBusinessConnectionEnabled(
     initialFilter: SimpleFilter<BusinessConnection.Enabled>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BusinessConnection.Enabled, Update>? = null,
-    markerFactory: MarkerFactory<in BusinessConnection.Enabled, Any> = ByUserBusinessConnectionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in BusinessConnection.Enabled, Any>? = ByUserBusinessConnectionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BusinessConnection.Enabled>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.businessConnectionUpdateOrNull() ?.data ?.enabledOrNull()) ?.let(::listOfNotNull)
@@ -68,7 +68,7 @@ suspend fun <BC : BehaviourContext> BC.onBusinessConnectionEnabled(
 suspend fun <BC : BehaviourContext> BC.onBusinessConnectionDisabled(
     initialFilter: SimpleFilter<BusinessConnection.Disabled>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BusinessConnection.Disabled, Update>? = null,
-    markerFactory: MarkerFactory<in BusinessConnection.Disabled, Any> = ByUserBusinessConnectionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in BusinessConnection.Disabled, Any>? = ByUserBusinessConnectionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BusinessConnection.Disabled>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.businessConnectionUpdateOrNull() ?.data ?.disabledOrNull()) ?.let(::listOfNotNull)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt

@@ -18,7 +18,7 @@ import kotlinx.coroutines.Job
 internal suspend inline fun <BC : BehaviourContext, reified T : CallbackQuery> BC.onCallbackQuery(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in T, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByUserCallbackQueryMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.callbackQueryUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -39,7 +39,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : CallbackQuery> B
 internal suspend inline fun <BC : BehaviourContext, reified T : DataCallbackQuery> BC.onDataCallbackQueryCounted(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in T, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByUserCallbackQueryMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ): Job {
     val newInitialFilter = SimpleFilter<DataCallbackQuery> {
@@ -81,7 +81,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : DataCallbackQuer
 suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
     initialFilter: SimpleFilter<DataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in DataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in DataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DataCallbackQuery>
 ) = onDataCallbackQueryCounted(
     initialFilter,
@@ -108,7 +108,7 @@ suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
     dataRegex: Regex,
     initialFilter: SimpleFilter<DataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in DataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in DataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DataCallbackQuery>
 ) = onDataCallbackQuery(
     initialFilter = initialFilter * {
@@ -136,7 +136,7 @@ suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
     data: String,
     initialFilter: SimpleFilter<DataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in DataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in DataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DataCallbackQuery>
 ) = onDataCallbackQuery(
     Regex(data),
@@ -161,7 +161,7 @@ suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onGameShortNameCallbackQuery(
     initialFilter: SimpleFilter<GameShortNameCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, GameShortNameCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in GameShortNameCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in GameShortNameCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, GameShortNameCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -185,7 +185,7 @@ suspend fun <BC : BehaviourContext> BC.onGameShortNameCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onInlineMessageIdCallbackQuery(
     initialFilter: SimpleFilter<InlineMessageIdCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -209,7 +209,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
     initialFilter: SimpleFilter<InlineMessageIdDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdDataCallbackQuery>
 ) = onDataCallbackQueryCounted(
     initialFilter,
@@ -236,7 +236,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
     dataRegex: Regex,
     initialFilter: SimpleFilter<InlineMessageIdDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdDataCallbackQuery>
 ) = onInlineMessageIdDataCallbackQuery(
     initialFilter = initialFilter * {
@@ -264,7 +264,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
     data: String,
     initialFilter: SimpleFilter<InlineMessageIdDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdDataCallbackQuery>
 ) = onInlineMessageIdDataCallbackQuery(
     Regex(data),
@@ -289,7 +289,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onInlineMessageIdGameShortNameCallbackQuery(
     initialFilter: SimpleFilter<InlineMessageIdGameShortNameCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdGameShortNameCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdGameShortNameCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdGameShortNameCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdGameShortNameCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -313,7 +313,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdGameShortNameCallbackQue
 suspend fun <BC : BehaviourContext> BC.onMessageCallbackQuery(
     initialFilter: SimpleFilter<MessageCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -337,7 +337,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
     initialFilter: SimpleFilter<MessageDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageDataCallbackQuery>
 ) = onDataCallbackQueryCounted(
     initialFilter,
@@ -364,7 +364,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
     dataRegex: Regex,
     initialFilter: SimpleFilter<MessageDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageDataCallbackQuery>
 ) = onMessageDataCallbackQuery(
     initialFilter = initialFilter * {
@@ -392,7 +392,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
     data: String,
     initialFilter: SimpleFilter<MessageDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageDataCallbackQuery>
 ) = onMessageDataCallbackQuery(
     Regex(data),
@@ -417,7 +417,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onMessageGameShortNameCallbackQuery(
     initialFilter: SimpleFilter<MessageGameShortNameCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageGameShortNameCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageGameShortNameCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageGameShortNameCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageGameShortNameCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -441,7 +441,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageGameShortNameCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onUnknownCallbackQueryType(
     initialFilter: SimpleFilter<UnknownCallbackQueryType>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, UnknownCallbackQueryType, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in UnknownCallbackQueryType, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in UnknownCallbackQueryType, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, UnknownCallbackQueryType>
 ) = onCallbackQuery(
     initialFilter,

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggersUnhandled.kt

@@ -27,7 +27,7 @@ import dev.inmo.tgbotapi.utils.PreviewFeature
 suspend fun <BC : BehaviourContext> BC.onUnhandledDataCallbackQuery(
     initialFilter: SimpleFilter<DataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in DataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in DataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DataCallbackQuery>
 ) = onCallbackQuery (
     initialFilter * !SimpleFilter<MessageDataCallbackQuery> { triggersHolder.handleableCallbackQueriesDataHolder.isHandled(it) },
@@ -52,7 +52,7 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledDataCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onUnhandledInlineMessageIdDataCallbackQuery(
     initialFilter: SimpleFilter<InlineMessageIdDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdDataCallbackQuery>
 ) = onCallbackQuery (
     initialFilter * !SimpleFilter<InlineMessageIdDataCallbackQuery> { triggersHolder.handleableCallbackQueriesDataHolder.isHandled(it) },
@@ -77,7 +77,7 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledInlineMessageIdDataCallbackQue
 suspend fun <BC : BehaviourContext> BC.onUnhandledMessageDataCallbackQuery(
     initialFilter: SimpleFilter<MessageDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageDataCallbackQuery>
 ) = onCallbackQuery(
     initialFilter * !SimpleFilter<MessageDataCallbackQuery> { triggersHolder.handleableCallbackQueriesDataHolder.isHandled(it) },

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostRemovedTriggers.kt

@@ -27,7 +27,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onChatBoostRemoved(
     initialFilter: SimpleFilter<ChatBoostRemoved>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatBoostRemoved, Update>? = null,
-    markerFactory: MarkerFactory<ChatBoostRemoved, Any> = ByIdChatBoostRemovedMarkerFactory,
+    markerFactory: MarkerFactory<ChatBoostRemoved, Any>? = ByIdChatBoostRemovedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatBoostRemoved>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatBoostRemovedUpdateOrNull() ?.data) ?.let(::listOfNotNull)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostUpdatedTriggers.kt

@@ -27,7 +27,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onChatBoostUpdated(
     initialFilter: SimpleFilter<ChatBoostUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatBoostUpdated, Update>? = null,
-    markerFactory: MarkerFactory<ChatBoostUpdated, Any> = ByIdChatBoostUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatBoostUpdated, Any>? = ByIdChatBoostUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatBoostUpdated>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatBoostUpdatedUpdateOrNull() ?.data) ?.let(::listOfNotNull)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt

@@ -25,7 +25,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onChatJoinRequest(
     initialFilter: SimpleFilter<ChatJoinRequest>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatJoinRequest, Update>? = null,
-    markerFactory: MarkerFactory<in ChatJoinRequest, Any> = ByChatChatJoinRequestMarkerFactory,
+    markerFactory: MarkerFactory<in ChatJoinRequest, Any>? = ByChatChatJoinRequestMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatJoinRequest>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatJoinRequestUpdateOrNull() ?.data) ?.let(::listOfNotNull)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMemberUpdatedTriggers.kt

@@ -17,7 +17,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified U : ChatMemberUpdatedUpdate> BC.onChatMemberUpdatedInternal(
     initialFilter: SimpleFilter<ChatMemberUpdated>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMemberUpdated, Update>? = ChatMemberUpdatedFilterByChat,
-    markerFactory: MarkerFactory<ChatMemberUpdated, Any> = ByChatChatMemberUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMemberUpdated, Any>? = ByChatChatMemberUpdatedMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMemberUpdated>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     ((it as? U) ?.data) ?.let(::listOfNotNull)
@@ -39,7 +39,7 @@ internal suspend inline fun <BC : BehaviourContext, reified U : ChatMemberUpdate
 suspend fun <BC : BehaviourContext> BC.onChatMemberUpdated(
     initialFilter: SimpleFilter<ChatMemberUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMemberUpdated, Update>? = ChatMemberUpdatedFilterByChat,
-    markerFactory: MarkerFactory<ChatMemberUpdated, Any> = ByChatChatMemberUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMemberUpdated, Any>? = ByChatChatMemberUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMemberUpdated>
 ) = onChatMemberUpdatedInternal<BC, ChatMemberUpdatedUpdate>(
     initialFilter,
@@ -63,7 +63,7 @@ suspend fun <BC : BehaviourContext> BC.onChatMemberUpdated(
 suspend fun <BC : BehaviourContext> BC.onCommonChatMemberUpdated(
     initialFilter: SimpleFilter<ChatMemberUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMemberUpdated, Update>? = ChatMemberUpdatedFilterByChat,
-    markerFactory: MarkerFactory<ChatMemberUpdated, Any> = ByChatChatMemberUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMemberUpdated, Any>? = ByChatChatMemberUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMemberUpdated>
 ) = onChatMemberUpdatedInternal<BC, CommonChatMemberUpdatedUpdate>(
     initialFilter,
@@ -87,7 +87,7 @@ suspend fun <BC : BehaviourContext> BC.onCommonChatMemberUpdated(
 suspend fun <BC : BehaviourContext> BC.onMyChatMemberUpdated(
     initialFilter: SimpleFilter<ChatMemberUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMemberUpdated, Update>? = ChatMemberUpdatedFilterByChat,
-    markerFactory: MarkerFactory<ChatMemberUpdated, Any> = ByChatChatMemberUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMemberUpdated, Any>? = ByChatChatMemberUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMemberUpdated>
 ) = onChatMemberUpdatedInternal<BC, MyChatMemberUpdatedUpdate>(
     initialFilter,

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionCountUpdatedUpdatesTriggers.kt

@@ -31,7 +31,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onChatMessageReactionsCountUpdated(
     initialFilter: SimpleFilter<ChatMessageReactionsCountUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMessageReactionsCountUpdated, Update>? = null,
-    markerFactory: MarkerFactory<ChatMessageReactionsCountUpdated, Any> = ByChatIdChatMessageReactionsCountUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMessageReactionsCountUpdated, Any>? = ByChatIdChatMessageReactionsCountUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMessageReactionsCountUpdated>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatMessageReactionsCountUpdatedUpdateOrNull() ?.data) ?.let(::listOfNotNull)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionUpdatedUpdatesTriggers.kt

@@ -15,7 +15,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : ChatMessageReactionUpdated> BC.onChatMessageReactionUpdated(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
-    markerFactory: MarkerFactory<in T, Any> = ByChatIdChatMessageReactionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByChatIdChatMessageReactionUpdatedMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatMessageReactionUpdatedUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -36,7 +36,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChatMessageReact
 suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByUser(
     initialFilter: SimpleFilter<ChatMessageReactionUpdated.ByUser>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMessageReactionUpdated.ByUser, Update>? = null,
-    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.ByUser, Any> = ByChatIdChatMessageReactionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.ByUser, Any>? = ByChatIdChatMessageReactionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMessageReactionUpdated.ByUser>
 ) = onChatMessageReactionUpdated(
     initialFilter,
@@ -60,7 +60,7 @@ suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByUser(
 suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByChat(
     initialFilter: SimpleFilter<ChatMessageReactionUpdated.ByChat>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMessageReactionUpdated.ByChat, Update>? = null,
-    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.ByChat, Any> = ByChatIdChatMessageReactionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.ByChat, Any>? = ByChatIdChatMessageReactionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMessageReactionUpdated.ByChat>
 ) = onChatMessageReactionUpdated(
     initialFilter,
@@ -84,7 +84,7 @@ suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByChat(
 suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedUnknown(
     initialFilter: SimpleFilter<ChatMessageReactionUpdated.Unknown>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMessageReactionUpdated.Unknown, Update>? = null,
-    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.Unknown, Any> = ByChatIdChatMessageReactionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.Unknown, Any>? = ByChatIdChatMessageReactionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMessageReactionUpdated.Unknown>
 ) = onChatMessageReactionUpdated(
     initialFilter,

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt

@@ -13,7 +13,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : ChosenInlineResult> BC.onChosenInlineResultBase(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
-    markerFactory: MarkerFactory<in T, Any> = ByUserIdChosenInlineResultMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByUserIdChosenInlineResultMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chosenInlineResultUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -34,7 +34,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChosenInlineResu
 suspend fun <BC : BehaviourContext> BC.onChosenInlineResult(
     initialFilter: SimpleFilter<ChosenInlineResult>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChosenInlineResult, Update>? = null,
-    markerFactory: MarkerFactory<in ChosenInlineResult, Any> = ByUserIdChosenInlineResultMarkerFactory,
+    markerFactory: MarkerFactory<in ChosenInlineResult, Any>? = ByUserIdChosenInlineResultMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChosenInlineResult>
 ) = onChosenInlineResultBase(
     initialFilter,
@@ -58,7 +58,7 @@ suspend fun <BC : BehaviourContext> BC.onChosenInlineResult(
 suspend fun <BC : BehaviourContext> BC.onLocationChosenInlineResult(
     initialFilter: SimpleFilter<LocationChosenInlineResult>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LocationChosenInlineResult, Update>? = null,
-    markerFactory: MarkerFactory<in LocationChosenInlineResult, Any> = ByUserIdChosenInlineResultMarkerFactory,
+    markerFactory: MarkerFactory<in LocationChosenInlineResult, Any>? = ByUserIdChosenInlineResultMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LocationChosenInlineResult>
 ) = onChosenInlineResultBase(
     initialFilter,
@@ -82,7 +82,7 @@ suspend fun <BC : BehaviourContext> BC.onLocationChosenInlineResult(
 suspend fun <BC : BehaviourContext> BC.onBaseChosenInlineResult(
     initialFilter: SimpleFilter<BaseChosenInlineResult>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BaseChosenInlineResult, Update>? = null,
-    markerFactory: MarkerFactory<in BaseChosenInlineResult, Any> = ByUserIdChosenInlineResultMarkerFactory,
+    markerFactory: MarkerFactory<in BaseChosenInlineResult, Any>? = ByUserIdChosenInlineResultMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BaseChosenInlineResult>
 ) = onChosenInlineResultBase(
     initialFilter,

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt

@@ -25,7 +25,7 @@ internal suspend fun <BC : BehaviourContext> BC.commandUncounted(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onText(
     CommonMessageFilter<TextContent> { message ->
@@ -52,7 +52,7 @@ suspend fun <BC : BehaviourContext> BC.command(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = runCatchingSafely {
     commandUncounted(
@@ -81,7 +81,7 @@ suspend fun <BC : BehaviourContext> BC.command(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ) = command(command.toRegex(), requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -90,7 +90,7 @@ suspend fun <BC : BehaviourContext> BC.command(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ) = command(botCommand.command, requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -99,7 +99,7 @@ suspend fun <BC : BehaviourContext> BC.onCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = command(commandRegex, requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -108,7 +108,7 @@ suspend fun <BC : BehaviourContext> BC.onCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onCommand(command.toRegex(), requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -117,7 +117,7 @@ suspend fun <BC : BehaviourContext> BC.onCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onCommand(botCommand.command, requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -125,7 +125,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ) = command(
@@ -146,7 +146,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ) = commandWithArgs(
@@ -162,7 +162,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ) = commandWithArgs(
@@ -178,7 +178,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -200,7 +200,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -218,7 +218,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -236,7 +236,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ): Job = commandWithArgs(
@@ -252,7 +252,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ): Job = onCommandWithArgs(
@@ -268,7 +268,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ): Job = onCommandWithArgs(
@@ -284,7 +284,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -302,7 +302,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -320,7 +320,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt

@@ -21,7 +21,7 @@ suspend fun <BC : BehaviourContext> BC.unhandledCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onText(
     CommonMessageFilter<TextContent> { message ->
@@ -49,7 +49,7 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = unhandledCommand(requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -57,7 +57,7 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledCommand(
 suspend fun <BC : BehaviourContext> BC.unhandledCommandWithArgs(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Map<String, Array<String>>>
 ) = onUnhandledCommand(
     requireOnlyCommandInMessage = false,
@@ -75,6 +75,6 @@ suspend fun <BC : BehaviourContext> BC.unhandledCommandWithArgs(
 suspend fun <BC : BehaviourContext> BC.onUnhandledCommandWithArgs(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Map<String, Array<String>>>
 ): Job = unhandledCommandWithArgs(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt

@@ -20,7 +20,7 @@ typealias CommonMessageFilter<T> = SimpleFilter<CommonMessage<T>>
 internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent> BC.onContentMessageWithType(
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     when (it) {
@@ -47,7 +47,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent>
 suspend fun <BC : BehaviourContext> BC.onContentMessage(
     initialFilter: CommonMessageFilter<MessageContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MessageContent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CommonMessage<MessageContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CommonMessage<MessageContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MessageContent>>
 ) = onContentMessageWithType(
     initialFilter,
@@ -71,7 +71,7 @@ suspend fun <BC : BehaviourContext> BC.onContentMessage(
 suspend fun <BC : BehaviourContext> BC.onContact(
     initialFilter: CommonMessageFilter<ContactContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ContactMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ContactMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ContactMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ContactMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -95,7 +95,7 @@ suspend fun <BC : BehaviourContext> BC.onContact(
 suspend fun <BC : BehaviourContext> BC.onDice(
     initialFilter: CommonMessageFilter<DiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DiceMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -119,7 +119,7 @@ suspend fun <BC : BehaviourContext> BC.onDice(
 suspend fun <BC : BehaviourContext> BC.onGame(
     initialFilter: CommonMessageFilter<GameContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, GameMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in GameMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in GameMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, GameMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -143,7 +143,7 @@ suspend fun <BC : BehaviourContext> BC.onGame(
 suspend fun <BC : BehaviourContext> BC.onLocation(
     initialFilter: CommonMessageFilter<LocationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LocationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in LocationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in LocationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LocationMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -167,7 +167,7 @@ suspend fun <BC : BehaviourContext> BC.onLocation(
 suspend fun <BC : BehaviourContext> BC.onLiveLocation(
     initialFilter: CommonMessageFilter<LiveLocationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LiveLocationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in LiveLocationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in LiveLocationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LiveLocationMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -191,7 +191,7 @@ suspend fun <BC : BehaviourContext> BC.onLiveLocation(
 suspend fun <BC : BehaviourContext> BC.onStaticLocation(
     initialFilter: CommonMessageFilter<StaticLocationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, StaticLocationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in StaticLocationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in StaticLocationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, StaticLocationMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -215,7 +215,7 @@ suspend fun <BC : BehaviourContext> BC.onStaticLocation(
 suspend fun <BC : BehaviourContext> BC.onPoll(
     initialFilter: CommonMessageFilter<PollContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PollMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PollMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PollMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PollMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -239,7 +239,7 @@ suspend fun <BC : BehaviourContext> BC.onPoll(
 suspend fun <BC : BehaviourContext> BC.onText(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -263,7 +263,7 @@ suspend fun <BC : BehaviourContext> BC.onText(
 suspend fun <BC : BehaviourContext> BC.onStory(
     initialFilter: CommonMessageFilter<StoryContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, StoryMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in StoryMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in StoryMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, StoryMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -287,7 +287,7 @@ suspend fun <BC : BehaviourContext> BC.onStory(
 suspend fun <BC : BehaviourContext> BC.onTextedContent(
     initialFilter: CommonMessageFilter<TextedContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextedMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextedMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextedMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextedMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -311,7 +311,7 @@ suspend fun <BC : BehaviourContext> BC.onTextedContent(
 suspend fun <BC : BehaviourContext> BC.onVenue(
     initialFilter: CommonMessageFilter<VenueContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VenueMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VenueMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VenueMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VenueMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -335,7 +335,7 @@ suspend fun <BC : BehaviourContext> BC.onVenue(
 suspend fun <BC : BehaviourContext> BC.onAudioMediaGroup(
     initialFilter: CommonMessageFilter<AudioMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AudioMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AudioMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AudioMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AudioMediaGroupMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -359,7 +359,7 @@ suspend fun <BC : BehaviourContext> BC.onAudioMediaGroup(
 suspend fun <BC : BehaviourContext> BC.onDocumentMediaGroupContent(
     initialFilter: CommonMessageFilter<DocumentMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DocumentMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DocumentMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DocumentMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DocumentMediaGroupMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -383,7 +383,7 @@ suspend fun <BC : BehaviourContext> BC.onDocumentMediaGroupContent(
 suspend fun <BC : BehaviourContext> BC.onTextedMediaContent(
     initialFilter: CommonMessageFilter<TextedMediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextedMediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextedMediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextedMediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextedMediaMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -407,7 +407,7 @@ suspend fun <BC : BehaviourContext> BC.onTextedMediaContent(
 suspend fun <BC : BehaviourContext> BC.onMediaCollection(
     initialFilter: CommonMessageFilter<MediaCollectionContent<TelegramMediaFile>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaCollectionMessage<TelegramMediaFile>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaCollectionMessage<TelegramMediaFile>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaCollectionMessage<TelegramMediaFile>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaCollectionMessage<TelegramMediaFile>>
 ) = onContentMessageWithType(
     initialFilter,
@@ -431,7 +431,7 @@ suspend fun <BC : BehaviourContext> BC.onMediaCollection(
 suspend fun <BC : BehaviourContext> BC.onMedia(
     initialFilter: CommonMessageFilter<MediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -455,7 +455,7 @@ suspend fun <BC : BehaviourContext> BC.onMedia(
 suspend fun <BC : BehaviourContext> BC.onAnimation(
     initialFilter: CommonMessageFilter<AnimationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AnimationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AnimationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AnimationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AnimationMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -479,7 +479,7 @@ suspend fun <BC : BehaviourContext> BC.onAnimation(
 suspend fun <BC : BehaviourContext> BC.onAudio(
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AudioMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AudioMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AudioMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AudioMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -503,7 +503,7 @@ suspend fun <BC : BehaviourContext> BC.onAudio(
 suspend fun <BC : BehaviourContext> BC.onDocument(
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DocumentMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DocumentMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DocumentMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DocumentMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -527,7 +527,7 @@ suspend fun <BC : BehaviourContext> BC.onDocument(
 suspend fun <BC : BehaviourContext> BC.onPhoto(
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PhotoMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PhotoMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PhotoMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PhotoMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -551,7 +551,7 @@ suspend fun <BC : BehaviourContext> BC.onPhoto(
 suspend fun <BC : BehaviourContext> BC.onSticker(
     initialFilter: CommonMessageFilter<StickerContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, StickerMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in StickerMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in StickerMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, StickerMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -575,7 +575,7 @@ suspend fun <BC : BehaviourContext> BC.onSticker(
 suspend fun <BC : BehaviourContext> BC.onVideo(
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VideoMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VideoMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VideoMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VideoMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -599,7 +599,7 @@ suspend fun <BC : BehaviourContext> BC.onVideo(
 suspend fun <BC : BehaviourContext> BC.onVideoNote(
     initialFilter: CommonMessageFilter<VideoNoteContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VideoNoteMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VideoNoteMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VideoNoteMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VideoNoteMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -623,7 +623,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoNote(
 suspend fun <BC : BehaviourContext> BC.onVoice(
     initialFilter: CommonMessageFilter<VoiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VoiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VoiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VoiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VoiceMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -647,7 +647,7 @@ suspend fun <BC : BehaviourContext> BC.onVoice(
 suspend fun <BC : BehaviourContext> BC.onInvoice(
     initialFilter: CommonMessageFilter<InvoiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InvoiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in InvoiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in InvoiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InvoiceMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -671,7 +671,7 @@ suspend fun <BC : BehaviourContext> BC.onInvoice(
 suspend fun <BC : BehaviourContext> BC.onVisualContent(
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VisualMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VisualMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VisualMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VisualMediaGroupMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -695,7 +695,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualContent(
 suspend fun <BC : BehaviourContext> BC.onMediaContent(
     initialFilter: CommonMessageFilter<MediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -719,7 +719,7 @@ suspend fun <BC : BehaviourContext> BC.onMediaContent(
 suspend fun <BC : BehaviourContext> BC.onGiveawayContent(
     initialFilter: CommonMessageFilter<GiveawayContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ScheduledGiveawayContentMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ScheduledGiveawayContentMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ScheduledGiveawayContentMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ScheduledGiveawayContentMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -744,7 +744,7 @@ suspend fun <BC : BehaviourContext> BC.onGiveawayContent(
 suspend fun <BC : BehaviourContext> BC.onGiveawayPublicResultsContent(
     initialFilter: CommonMessageFilter<GiveawayPublicResultsContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, GiveawayPublicResultsContentMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in GiveawayPublicResultsContentMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in GiveawayPublicResultsContentMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, GiveawayPublicResultsContentMessage>
 ) = onContentMessageWithType(
     initialFilter,

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeepLinkHandling.kt

@@ -21,7 +21,7 @@ private val startRegex = Regex("start")
 suspend fun <BC : BehaviourContext> BC.onDeepLink(
     initialFilter: SimpleFilter<Pair<TextMessage, String>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, Pair<TextMessage, String>, Update>? = { (message, _), update -> MessageFilterByChat(this, message, update) },
-    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any> = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
+    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any>? = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, Pair<TextMessage, String>>
 ): Job = on(
     markerFactory,
@@ -47,7 +47,7 @@ suspend fun <BC : BehaviourContext> BC.onDeepLink(
     regex: Regex,
     initialFilter: SimpleFilter<Pair<TextMessage, String>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, Pair<TextMessage, String>, Update>? = { (message, _), update -> MessageFilterByChat(this, message, update) },
-    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any> = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
+    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any>? = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, Pair<TextMessage, String>>
 ): Job {
     val internalFilter = SimpleFilter<Pair<TextMessage, String>> {
@@ -60,6 +60,6 @@ suspend fun <BC : BehaviourContext> BC.onDeepLink(
     deepLink: String,
     initialFilter: SimpleFilter<Pair<TextMessage, String>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, Pair<TextMessage, String>, Update>? = { (message, _), update -> MessageFilterByChat(this, message, update) },
-    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any> = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
+    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any>? = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, Pair<TextMessage, String>>
 ): Job = onDeepLink(Regex("^$deepLink$"), initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeletedBusinessMessagesTriggers.kt

@@ -30,7 +30,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onBusinessMessagesDeleted(
     initialFilter: SimpleFilter<BusinessMessagesDeleted>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BusinessMessagesDeleted, Update>? = null,
-    markerFactory: MarkerFactory<in BusinessMessagesDeleted, Any> = ByBusinessConnectionIdBusinessMessagesDeletedMarkerFactory,
+    markerFactory: MarkerFactory<in BusinessMessagesDeleted, Any>? = ByBusinessConnectionIdBusinessMessagesDeletedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BusinessMessagesDeleted>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.deletedBusinessMessageUpdateOrNull() ?.data) ?.let(::listOfNotNull)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt

@@ -17,7 +17,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent> BC.onEditedContent(
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     it.baseEditMessageUpdateOrNull() ?.data ?.withContent<T>() ?.let(::listOfNotNull)
@@ -39,7 +39,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent>
 suspend fun <BC : BehaviourContext> BC.onEditedContentMessage(
     initialFilter: CommonMessageFilter<MessageContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MessageContent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CommonMessage<MessageContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CommonMessage<MessageContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MessageContent>>
 )= onEditedContent(
     initialFilter,
@@ -63,7 +63,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedContentMessage(
 suspend fun <BC : BehaviourContext> BC.onEditedContact(
     initialFilter: CommonMessageFilter<ContactContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ContactMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ContactMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ContactMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ContactMessage>
 )= onEditedContent(
     initialFilter,
@@ -87,7 +87,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedContact(
 suspend fun <BC : BehaviourContext> BC.onEditedDice(
     initialFilter: CommonMessageFilter<DiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DiceMessage>
 )= onEditedContent(
     initialFilter,
@@ -111,7 +111,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedDice(
 suspend fun <BC : BehaviourContext> BC.onEditedGame(
     initialFilter: CommonMessageFilter<GameContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, GameMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in GameMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in GameMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, GameMessage>
 )= onEditedContent(
     initialFilter,
@@ -135,7 +135,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedGame(
 suspend fun <BC : BehaviourContext> BC.onEditedLocation(
     initialFilter: CommonMessageFilter<LocationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LocationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in LocationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in LocationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LocationMessage>
 )= onEditedContent(
     initialFilter,
@@ -159,7 +159,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedLocation(
 suspend fun <BC : BehaviourContext> BC.onEditedText(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 )= onEditedContent(
     initialFilter,
@@ -183,7 +183,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedText(
 suspend fun <BC : BehaviourContext> BC.onEditedVenue(
     initialFilter: CommonMessageFilter<VenueContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VenueMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VenueMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VenueMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VenueMessage>
 )= onEditedContent(
     initialFilter,
@@ -207,7 +207,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedVenue(
 suspend fun <BC : BehaviourContext> BC.onEditedAudioMediaGroup(
     initialFilter: CommonMessageFilter<AudioMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AudioMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AudioMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AudioMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AudioMediaGroupMessage>
 )= onEditedContent(
     initialFilter,
@@ -231,7 +231,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedAudioMediaGroup(
 suspend fun <BC : BehaviourContext> BC.onEditedDocumentMediaGroupContent(
     initialFilter: CommonMessageFilter<DocumentMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DocumentMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DocumentMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DocumentMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DocumentMediaGroupMessage>
 )= onEditedContent(
     initialFilter,
@@ -255,7 +255,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedDocumentMediaGroupContent(
 suspend fun <BC : BehaviourContext> BC.onEditedTextedMediaContent(
     initialFilter: CommonMessageFilter<TextedMediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextedMediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextedMediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextedMediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextedMediaMessage>
 )= onEditedContent(
     initialFilter,
@@ -279,7 +279,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedTextedMediaContent(
 suspend fun <BC : BehaviourContext> BC.onEditedMediaCollection(
     initialFilter: CommonMessageFilter<MediaCollectionContent<TelegramMediaFile>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaCollectionMessage<TelegramMediaFile>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaCollectionMessage<TelegramMediaFile>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaCollectionMessage<TelegramMediaFile>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaCollectionMessage<TelegramMediaFile>>
 )= onEditedContent(
     initialFilter,
@@ -303,7 +303,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedMediaCollection(
 suspend fun <BC : BehaviourContext> BC.onEditedMedia(
     initialFilter: CommonMessageFilter<MediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaMessage>
 )= onEditedContent(
     initialFilter,
@@ -327,7 +327,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedMedia(
 suspend fun <BC : BehaviourContext> BC.onEditedAnimation(
     initialFilter: CommonMessageFilter<AnimationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AnimationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AnimationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AnimationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AnimationMessage>
 )= onEditedContent(
     initialFilter,
@@ -351,7 +351,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedAnimation(
 suspend fun <BC : BehaviourContext> BC.onEditedAudio(
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AudioMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AudioMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AudioMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AudioMessage>
 )= onEditedContent(
     initialFilter,
@@ -375,7 +375,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedAudio(
 suspend fun <BC : BehaviourContext> BC.onEditedDocument(
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DocumentMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DocumentMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DocumentMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DocumentMessage>
 )= onEditedContent(
     initialFilter,
@@ -399,7 +399,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedDocument(
 suspend fun <BC : BehaviourContext> BC.onEditedPhoto(
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PhotoMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PhotoMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PhotoMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PhotoMessage>
 )= onEditedContent(
     initialFilter,
@@ -423,7 +423,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedPhoto(
 suspend fun <BC : BehaviourContext> BC.onEditedSticker(
     initialFilter: CommonMessageFilter<StickerContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, StickerMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in StickerMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in StickerMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, StickerMessage>
 )= onEditedContent(
     initialFilter,
@@ -447,7 +447,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedSticker(
 suspend fun <BC : BehaviourContext> BC.onEditedVideo(
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VideoMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VideoMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VideoMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VideoMessage>
 )= onEditedContent(
     initialFilter,
@@ -471,7 +471,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedVideo(
 suspend fun <BC : BehaviourContext> BC.onEditedVideoNote(
     initialFilter: CommonMessageFilter<VideoNoteContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VideoNoteMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VideoNoteMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VideoNoteMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VideoNoteMessage>
 )= onEditedContent(
     initialFilter,
@@ -495,7 +495,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedVideoNote(
 suspend fun <BC : BehaviourContext> BC.onEditedVoice(
     initialFilter: CommonMessageFilter<VoiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VoiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VoiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VoiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VoiceMessage>
 )= onEditedContent(
     initialFilter,
@@ -519,7 +519,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedVoice(
 suspend fun <BC : BehaviourContext> BC.onEditedInvoice(
     initialFilter: CommonMessageFilter<InvoiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InvoiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in InvoiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in InvoiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InvoiceMessage>
 )= onEditedContent(
     initialFilter,

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt

@@ -33,7 +33,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent> BC.onEvent(
     initialFilter: SimpleFilter<ChatEventMessage<T>>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<T>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<T>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<T>, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     @Suppress("UNCHECKED_CAST")
@@ -43,7 +43,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent> BC.on
 internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent, reified CEM : ChatEventMessage<T>> BC.onEventWithCustomChatEventMessage(
     initialFilter: SimpleFilter<CEM>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CEM, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CEM, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CEM, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CEM>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     @Suppress("UNCHECKED_CAST")
@@ -65,7 +65,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent, reifi
 suspend fun <BC : BehaviourContext> BC.onChannelEvent(
     initialFilter: SimpleFilter<ChatEventMessage<ChannelEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChannelEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChannelEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChannelEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChannelEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -84,7 +84,7 @@ suspend fun <BC : BehaviourContext> BC.onChannelEvent(
 suspend fun <BC : BehaviourContext> BC.onPrivateEvent(
     initialFilter: SimpleFilter<ChatEventMessage<PrivateEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<PrivateEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<PrivateEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<PrivateEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<PrivateEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -103,7 +103,7 @@ suspend fun <BC : BehaviourContext> BC.onPrivateEvent(
 suspend fun <BC : BehaviourContext> BC.onChatEvent(
     initialFilter: SimpleFilter<ChatEventMessage<ChatEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChatEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChatEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -122,7 +122,7 @@ suspend fun <BC : BehaviourContext> BC.onChatEvent(
 suspend fun <BC : BehaviourContext> BC.onVideoChatEvent(
     initialFilter: SimpleFilter<ChatEventMessage<VideoChatEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<VideoChatEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<VideoChatEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -141,7 +141,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatEvent(
 suspend fun <BC : BehaviourContext> BC.onVideoChatStartedEvent(
     initialFilter: SimpleFilter<ChatEventMessage<VideoChatStarted>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<VideoChatStarted>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatStarted>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatStarted>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<VideoChatStarted>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -160,7 +160,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatStartedEvent(
 suspend fun <BC : BehaviourContext> BC.onVideoChatEndedEvent(
     initialFilter: SimpleFilter<ChatEventMessage<VideoChatEnded>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<VideoChatEnded>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatEnded>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatEnded>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<VideoChatEnded>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -179,7 +179,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatEndedEvent(
 suspend fun <BC : BehaviourContext> BC.onVideoChatParticipantsInvitedEvent(
     initialFilter: SimpleFilter<ChatEventMessage<VideoChatParticipantsInvited>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<VideoChatParticipantsInvited>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatParticipantsInvited>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatParticipantsInvited>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<VideoChatParticipantsInvited>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -198,7 +198,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatParticipantsInvitedEvent(
 suspend fun <BC : BehaviourContext> BC.onMessageAutoDeleteTimerChangedEvent(
     initialFilter: SimpleFilter<ChatEventMessage<MessageAutoDeleteTimerChanged>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<MessageAutoDeleteTimerChanged>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<MessageAutoDeleteTimerChanged>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<MessageAutoDeleteTimerChanged>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<MessageAutoDeleteTimerChanged>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -217,7 +217,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageAutoDeleteTimerChangedEvent(
 suspend fun <BC : BehaviourContext> BC.onPublicChatEvent(
     initialFilter: SimpleFilter<ChatEventMessage<PublicChatEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<PublicChatEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<PublicChatEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<PublicChatEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<PublicChatEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -236,7 +236,7 @@ suspend fun <BC : BehaviourContext> BC.onPublicChatEvent(
 suspend fun <BC : BehaviourContext> BC.onCommonEvent(
     initialFilter: SimpleFilter<ChatEventMessage<CommonEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<CommonEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<CommonEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<CommonEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<CommonEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -255,7 +255,7 @@ suspend fun <BC : BehaviourContext> BC.onCommonEvent(
 suspend fun <BC : BehaviourContext> BC.onGroupEvent(
     initialFilter: SimpleFilter<ChatEventMessage<GroupEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<GroupEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<GroupEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<GroupEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<GroupEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -274,7 +274,7 @@ suspend fun <BC : BehaviourContext> BC.onGroupEvent(
 suspend fun <BC : BehaviourContext> BC.onSupergroupEvent(
     initialFilter: SimpleFilter<ChatEventMessage<SupergroupEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<SupergroupEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<SupergroupEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<SupergroupEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<SupergroupEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -293,7 +293,7 @@ suspend fun <BC : BehaviourContext> BC.onSupergroupEvent(
 suspend fun <BC : BehaviourContext> BC.onChannelChatCreated(
     initialFilter: SimpleFilter<ChatEventMessage<ChannelChatCreated>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChannelChatCreated>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChannelChatCreated>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChannelChatCreated>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChannelChatCreated>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -312,7 +312,7 @@ suspend fun <BC : BehaviourContext> BC.onChannelChatCreated(
 suspend fun <BC : BehaviourContext> BC.onDeleteChatPhoto(
     initialFilter: SimpleFilter<ChatEventMessage<DeleteChatPhoto>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<DeleteChatPhoto>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<DeleteChatPhoto>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<DeleteChatPhoto>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<DeleteChatPhoto>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -331,7 +331,7 @@ suspend fun <BC : BehaviourContext> BC.onDeleteChatPhoto(
 suspend fun <BC : BehaviourContext> BC.onGroupChatCreated(
     initialFilter: SimpleFilter<ChatEventMessage<GroupChatCreated>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<GroupChatCreated>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<GroupChatCreated>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<GroupChatCreated>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<GroupChatCreated>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -350,7 +350,7 @@ suspend fun <BC : BehaviourContext> BC.onGroupChatCreated(
 suspend fun <BC : BehaviourContext> BC.onLeftChatMember(
     initialFilter: SimpleFilter<ChatEventMessage<LeftChatMemberEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<LeftChatMemberEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<LeftChatMemberEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<LeftChatMemberEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<LeftChatMemberEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -369,7 +369,7 @@ suspend fun <BC : BehaviourContext> BC.onLeftChatMember(
 suspend fun <BC : BehaviourContext> BC.onNewChatMembers(
     initialFilter: SimpleFilter<ChatEventMessage<NewChatMembers>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<NewChatMembers>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<NewChatMembers>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<NewChatMembers>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<NewChatMembers>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -388,7 +388,7 @@ suspend fun <BC : BehaviourContext> BC.onNewChatMembers(
 suspend fun <BC : BehaviourContext> BC.onNewChatPhoto(
     initialFilter: SimpleFilter<ChatEventMessage<NewChatPhoto>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<NewChatPhoto>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<NewChatPhoto>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<NewChatPhoto>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<NewChatPhoto>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -407,7 +407,7 @@ suspend fun <BC : BehaviourContext> BC.onNewChatPhoto(
 suspend fun <BC : BehaviourContext> BC.onNewChatTitle(
     initialFilter: SimpleFilter<ChatEventMessage<NewChatTitle>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<NewChatTitle>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<NewChatTitle>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<NewChatTitle>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<NewChatTitle>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -426,7 +426,7 @@ suspend fun <BC : BehaviourContext> BC.onNewChatTitle(
 suspend fun <BC : BehaviourContext> BC.onPinnedMessage(
     initialFilter: SimpleFilter<ChatEventMessage<PinnedMessage>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<PinnedMessage>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<PinnedMessage>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<PinnedMessage>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<PinnedMessage>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -445,7 +445,7 @@ suspend fun <BC : BehaviourContext> BC.onPinnedMessage(
 suspend fun <BC : BehaviourContext> BC.onProximityAlertTriggered(
     initialFilter: SimpleFilter<ChatEventMessage<ProximityAlertTriggered>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ProximityAlertTriggered>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ProximityAlertTriggered>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ProximityAlertTriggered>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ProximityAlertTriggered>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -464,7 +464,7 @@ suspend fun <BC : BehaviourContext> BC.onProximityAlertTriggered(
 suspend fun <BC : BehaviourContext> BC.onSupergroupChatCreated(
     initialFilter: SimpleFilter<ChatEventMessage<SupergroupChatCreated>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<SupergroupChatCreated>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<SupergroupChatCreated>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<SupergroupChatCreated>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<SupergroupChatCreated>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -486,7 +486,7 @@ suspend fun <BC : BehaviourContext> BC.onSupergroupChatCreated(
 suspend fun <BC : BehaviourContext> BC.onSuccessfulPayment(
     initialFilter: SimpleFilter<ChatEventMessage<SuccessfulPaymentEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<SuccessfulPaymentEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<SuccessfulPaymentEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<SuccessfulPaymentEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<SuccessfulPaymentEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -505,7 +505,7 @@ suspend fun <BC : BehaviourContext> BC.onSuccessfulPayment(
 suspend fun <BC : BehaviourContext> BC.onUserLoggedIn(
     initialFilter: SimpleFilter<ChatEventMessage<UserLoggedIn>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<UserLoggedIn>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<UserLoggedIn>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<UserLoggedIn>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<UserLoggedIn>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -524,7 +524,7 @@ suspend fun <BC : BehaviourContext> BC.onUserLoggedIn(
 suspend fun <BC : BehaviourContext> BC.onWebAppData(
     initialFilter: SimpleFilter<PrivateEventMessage<WebAppData>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<WebAppData>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WebAppData>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WebAppData>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<WebAppData>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -543,7 +543,7 @@ suspend fun <BC : BehaviourContext> BC.onWebAppData(
 suspend fun <BC : BehaviourContext> BC.onForumTopicClosed(
     initialFilter: SimpleFilter<SupergroupEventMessage<ForumTopicClosed>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<ForumTopicClosed>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicClosed>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicClosed>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<ForumTopicClosed>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -562,7 +562,7 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicClosed(
 suspend fun <BC : BehaviourContext> BC.onForumTopicCreated(
     initialFilter: SimpleFilter<SupergroupEventMessage<ForumTopicCreated>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<ForumTopicCreated>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicCreated>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicCreated>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<ForumTopicCreated>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -581,7 +581,7 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicCreated(
 suspend fun <BC : BehaviourContext> BC.onForumTopicReopened(
     initialFilter: SimpleFilter<SupergroupEventMessage<ForumTopicReopened>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<ForumTopicReopened>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicReopened>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicReopened>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<ForumTopicReopened>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -601,7 +601,7 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicReopened(
 suspend fun <BC : BehaviourContext> BC.onForumTopicEdited(
     initialFilter: SimpleFilter<SupergroupEventMessage<ForumTopicEdited>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<ForumTopicEdited>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicEdited>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicEdited>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<ForumTopicEdited>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -620,7 +620,7 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicEdited(
 suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicHidden(
     initialFilter: SimpleFilter<SupergroupEventMessage<GeneralForumTopicHidden>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<GeneralForumTopicHidden>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<GeneralForumTopicHidden>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<GeneralForumTopicHidden>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<GeneralForumTopicHidden>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -639,7 +639,7 @@ suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicHidden(
 suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicUnhidden(
     initialFilter: SimpleFilter<SupergroupEventMessage<GeneralForumTopicUnhidden>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<GeneralForumTopicUnhidden>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<GeneralForumTopicUnhidden>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<GeneralForumTopicUnhidden>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<GeneralForumTopicUnhidden>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -659,7 +659,7 @@ suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicUnhidden(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowed(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -679,7 +679,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowed(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromRequest(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed.FromRequest>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed.FromRequest>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromRequest>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromRequest>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed.FromRequest>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -699,7 +699,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromRequest(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromAttachmentMenu(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -719,7 +719,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromAttachmentMenu(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedOther(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed.Other>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed.Other>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.Other>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.Other>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed.Other>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -739,7 +739,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedOther(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromWebAppLink(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed.FromWebAppLink>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed.FromWebAppLink>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromWebAppLink>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromWebAppLink>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed.FromWebAppLink>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -760,7 +760,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromWebAppLink(
 suspend fun <BC : BehaviourContext> BC.onChatSharedRequest(
     initialFilter: SimpleFilter<PrivateEventMessage<ChatSharedRequest>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<ChatSharedRequest>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatSharedRequest>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatSharedRequest>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<ChatSharedRequest>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -780,7 +780,7 @@ suspend fun <BC : BehaviourContext> BC.onChatSharedRequest(
 suspend fun <BC : BehaviourContext> BC.onUsersShared(
     initialFilter: SimpleFilter<PrivateEventMessage<UsersShared>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<UsersShared>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<UsersShared>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<UsersShared>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<UsersShared>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -800,7 +800,7 @@ suspend fun <BC : BehaviourContext> BC.onUsersShared(
 suspend fun <BC : BehaviourContext> BC.onUserShared(
     initialFilter: SimpleFilter<PrivateEventMessage<UsersShared>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<UsersShared>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<UsersShared>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<UsersShared>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<UsersShared>>
 ) = onUsersShared(initialFilter * { it.chatEvent.userIds.size == 1 }, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -821,7 +821,7 @@ suspend fun <BC : BehaviourContext> BC.onUserShared(
 suspend fun <BC : BehaviourContext> BC.onChatShared(
     initialFilter: SimpleFilter<PrivateEventMessage<ChatShared>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<ChatShared>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatShared>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatShared>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<ChatShared>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -842,7 +842,7 @@ suspend fun <BC : BehaviourContext> BC.onChatShared(
 suspend fun <BC : BehaviourContext> BC.onChatBoostAdded(
     initialFilter: SimpleFilter<ChatEventMessage<ChatBoostAdded>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChatBoostAdded>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatBoostAdded>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatBoostAdded>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChatBoostAdded>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -862,6 +862,6 @@ suspend fun <BC : BehaviourContext> BC.onChatBoostAdded(
 suspend fun <BC : BehaviourContext> BC.onChatBackgroundSet(
     initialFilter: SimpleFilter<ChatEventMessage<ChatBackground>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChatBackground>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatBackground>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatBackground>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChatBackground>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt

@@ -12,7 +12,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : InlineQuery> BC.onInlineQuery(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = InlineQueryFilterByUser,
-    markerFactory: MarkerFactory<in T, Any> = ByUserInlineQueryMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByUserInlineQueryMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.inlineQueryUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -33,7 +33,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : InlineQuery> BC.
 suspend fun <BC : BehaviourContext> BC.onAnyInlineQuery(
     initialFilter: SimpleFilter<InlineQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineQuery, Update>? = InlineQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineQuery, Any> = ByUserInlineQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineQuery, Any>? = ByUserInlineQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineQuery>
 ) = onInlineQuery(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -53,7 +53,7 @@ suspend fun <BC : BehaviourContext> BC.onAnyInlineQuery(
 suspend fun <BC : BehaviourContext> BC.onBaseInlineQuery(
     initialFilter: SimpleFilter<BaseInlineQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BaseInlineQuery, Update>? = InlineQueryFilterByUser,
-    markerFactory: MarkerFactory<in BaseInlineQuery, Any> = ByUserInlineQueryMarkerFactory,
+    markerFactory: MarkerFactory<in BaseInlineQuery, Any>? = ByUserInlineQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BaseInlineQuery>
 ) = onInlineQuery(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -73,6 +73,6 @@ suspend fun <BC : BehaviourContext> BC.onBaseInlineQuery(
 suspend fun <BC : BehaviourContext> BC.onLocationInlineQuery(
     initialFilter: SimpleFilter<LocationInlineQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LocationInlineQuery, Update>? = InlineQueryFilterByUser,
-    markerFactory: MarkerFactory<in LocationInlineQuery, Any> = ByUserInlineQueryMarkerFactory,
+    markerFactory: MarkerFactory<in LocationInlineQuery, Any>? = ByUserInlineQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LocationInlineQuery>
 ) = onInlineQuery(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt

@@ -1,5 +1,7 @@
 package dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling
 
+import dev.inmo.micro_utils.coroutines.launchSafelyWithoutExceptions
+import dev.inmo.micro_utils.coroutines.subscribeSafelyWithoutExceptions
 import dev.inmo.micro_utils.coroutines.subscribeSafelyWithoutExceptionsAsync
 import dev.inmo.tgbotapi.extensions.behaviour_builder.*
 import dev.inmo.tgbotapi.extensions.behaviour_builder.expectations.expectFlow
@@ -8,7 +10,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.Mar
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
 internal suspend inline fun <BC : BehaviourContext, reified T> BC.on(
-    markerFactory: MarkerFactory<in T, Any>,
+    markerFactory: MarkerFactory<in T, Any>?,
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>,
@@ -26,13 +28,23 @@ internal suspend inline fun <BC : BehaviourContext, reified T> BC.on(
             it to data
         } ?: emptyList()
     }
-).subscribeSafelyWithoutExceptionsAsync(
+).run {
-    scope,
+    val handler: suspend (Pair<Update, T>) -> Unit = { (update, triggerData) ->
-    { markerFactory(it.second) }
+        createSubContextAndDoWithUpdatesFilter {
-) { (update, triggerData) ->
+            if (subcontextUpdatesFilter ?.invoke(this, triggerData, update) != false) {
-    createSubContextAndDoWithUpdatesFilter {
+                scenarioReceiver(triggerData)
-        if (subcontextUpdatesFilter ?.invoke(this, triggerData, update) != false) {
+            }
-            scenarioReceiver(triggerData)
+        }
+    }
+    markerFactory ?.let {
+        subscribeSafelyWithoutExceptionsAsync(
+            scope,
+            { markerFactory(it.second) },
+            block = handler
+        )
+    } ?: subscribeSafelyWithoutExceptions(scope) {
+        scope.launchSafelyWithoutExceptions {
+            handler(it)
         }
     }
 }

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupMessagesTriggers.kt

@@ -18,7 +18,7 @@ import dev.inmo.tgbotapi.utils.PreviewFeature
 internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartContent> BC.buildMediaGroupMessagesTrigger(
     initialFilter: SimpleFilter<MediaGroupMessage<T>>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<T>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<T>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<T>, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     it.baseSentMessageUpdateOrNull() ?.data ?.commonMessageOrNull() ?.withContentOrNull<MediaGroupContent<*>>() ?.let {
@@ -45,7 +45,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartCo
 suspend fun <BC : BehaviourContext> BC.onMediaGroupMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<MediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<MediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<MediaGroupPartContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -64,7 +64,7 @@ suspend fun <BC : BehaviourContext> BC.onMediaGroupMessages(
 suspend fun <BC : BehaviourContext> BC.onPlaylistMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<AudioMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<AudioMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<AudioMediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<AudioMediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<AudioMediaGroupPartContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -83,7 +83,7 @@ suspend fun <BC : BehaviourContext> BC.onPlaylistMessages(
 suspend fun <BC : BehaviourContext> BC.onDocumentsGroupMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<DocumentMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<DocumentMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<DocumentMediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<DocumentMediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<DocumentMediaGroupPartContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -102,7 +102,7 @@ suspend fun <BC : BehaviourContext> BC.onDocumentsGroupMessages(
 suspend fun <BC : BehaviourContext> BC.onVisualGalleryMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<VisualMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<VisualMediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<VisualMediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<VisualMediaGroupPartContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -121,7 +121,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualGalleryMessages(
 suspend fun <BC : BehaviourContext> BC.onVisualMediaGroupMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<VisualMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<VisualMediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<VisualMediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<VisualMediaGroupPartContent>>
 ) = onVisualGalleryMessages(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -140,7 +140,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualMediaGroupMessages(
 suspend fun <BC : BehaviourContext> BC.onPhotoGalleryMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<PhotoContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<PhotoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<PhotoContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<PhotoContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<PhotoContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -159,6 +159,6 @@ suspend fun <BC : BehaviourContext> BC.onPhotoGalleryMessages(
 suspend fun <BC : BehaviourContext> BC.onVideoGalleryMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<VideoContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<VideoContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<VideoContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<VideoContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt

@@ -18,7 +18,7 @@ import dev.inmo.tgbotapi.utils.PreviewFeature
 internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartContent> BC.buildMediaGroupTrigger(
     initialFilter: SimpleFilter<MediaGroupContent<T>>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<T>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<T>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<T>, Any>? = AnyMarkerFactory(),
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     it.baseSentMessageUpdateOrNull() ?.data ?.commonMessageOrNull() ?.withContentOrNull<MediaGroupContent<*>>() ?.let {
@@ -45,7 +45,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartCo
 suspend fun <BC : BehaviourContext> BC.onMediaGroup(
     initialFilter: SimpleFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<MediaGroupPartContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -64,7 +64,7 @@ suspend fun <BC : BehaviourContext> BC.onMediaGroup(
 suspend fun <BC : BehaviourContext> BC.onPlaylist(
     initialFilter: SimpleFilter<MediaGroupContent<AudioMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<AudioMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<AudioMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<AudioMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<AudioMediaGroupPartContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -83,7 +83,7 @@ suspend fun <BC : BehaviourContext> BC.onPlaylist(
 suspend fun <BC : BehaviourContext> BC.onDocumentsGroup(
     initialFilter: SimpleFilter<MediaGroupContent<DocumentMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<DocumentMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<DocumentMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<DocumentMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<DocumentMediaGroupPartContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -102,7 +102,7 @@ suspend fun <BC : BehaviourContext> BC.onDocumentsGroup(
 suspend fun <BC : BehaviourContext> BC.onVisualGallery(
     initialFilter: SimpleFilter<MediaGroupContent<VisualMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<VisualMediaGroupPartContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -121,7 +121,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualGallery(
 suspend fun <BC : BehaviourContext> BC.onVisualMediaGroup(
     initialFilter: SimpleFilter<MediaGroupContent<VisualMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<VisualMediaGroupPartContent>>
 ) = onVisualGallery(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -140,7 +140,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualMediaGroup(
 suspend fun <BC : BehaviourContext> BC.onPhotoGallery(
     initialFilter: SimpleFilter<MediaGroupContent<PhotoContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<PhotoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<PhotoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<PhotoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<PhotoContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -159,6 +159,6 @@ suspend fun <BC : BehaviourContext> BC.onPhotoGallery(
 suspend fun <BC : BehaviourContext> BC.onVideoGallery(
     initialFilter: SimpleFilter<MediaGroupContent<VideoContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<VideoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<VideoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<VideoContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MentionTriggers.kt

@@ -29,7 +29,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : TextedContent> B
     username: Username,
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = AnyMarkerFactory(),
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = onContentMessageWithType<BC, T>(
     initialFilter * {
@@ -44,7 +44,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : TextedContent> B
     userId: UserId,
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = AnyMarkerFactory(),
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = onContentMessageWithType<BC, T>(
     initialFilter * {
@@ -59,7 +59,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : TextedContent> B
     user: User,
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = AnyMarkerFactory(),
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = onContentMessageWithType<BC, T>(
     initialFilter * {
@@ -75,7 +75,7 @@ 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(),
+    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextedContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -83,7 +83,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithAnyContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<TextedContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextedContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextedContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -91,7 +91,7 @@ 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(),
+    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextedContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -101,7 +101,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVoiceContent(
     username: Username,
     initialFilter: CommonMessageFilter<VoiceContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VoiceContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VoiceContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -109,7 +109,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithVoiceContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<VoiceContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VoiceContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VoiceContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -117,7 +117,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVoiceContent(
     user: User,
     initialFilter: CommonMessageFilter<VoiceContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VoiceContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VoiceContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -127,7 +127,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupContent(
     username: Username,
     initialFilter: CommonMessageFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupContent<MediaGroupPartContent>>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -135,7 +135,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithMediaGroupContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupContent<MediaGroupPartContent>>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -143,7 +143,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupContent(
     user: User,
     initialFilter: CommonMessageFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupContent<MediaGroupPartContent>>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -153,7 +153,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupPartContent(
     username: Username,
     initialFilter: CommonMessageFilter<MediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupPartContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -161,7 +161,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithMediaGroupPartContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<MediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupPartContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -169,7 +169,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupPartContent(
     user: User,
     initialFilter: CommonMessageFilter<MediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupPartContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -179,7 +179,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAudioContent(
     username: Username,
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AudioContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AudioContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -187,7 +187,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithAudioContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AudioContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AudioContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -195,7 +195,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAudioContent(
     user: User,
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AudioContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AudioContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -205,7 +205,7 @@ 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(),
+    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<DocumentContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -213,7 +213,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithDocumentContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<DocumentContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<DocumentContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -221,7 +221,7 @@ 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(),
+    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<DocumentContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -231,7 +231,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVisualMediaGroupPartContent(
     username: Username,
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VisualMediaGroupPartContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -239,7 +239,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithVisualMediaGroupPartCont
     userId: UserId,
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VisualMediaGroupPartContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -247,7 +247,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVisualMediaGroupPartContent(
     user: User,
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VisualMediaGroupPartContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -257,7 +257,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVideoContent(
     username: Username,
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VideoContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -265,7 +265,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithVideoContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VideoContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -273,7 +273,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVideoContent(
     user: User,
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VideoContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -283,7 +283,7 @@ 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(),
+    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -291,7 +291,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithPhotoContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<PhotoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -299,7 +299,7 @@ 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(),
+    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -309,7 +309,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnimationContent(
     username: Username,
     initialFilter: CommonMessageFilter<AnimationContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AnimationContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AnimationContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -317,7 +317,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithAnimationContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<AnimationContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AnimationContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AnimationContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -325,7 +325,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnimationContent(
     user: User,
     initialFilter: CommonMessageFilter<AnimationContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AnimationContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AnimationContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -335,7 +335,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithTextContent(
     username: Username,
     initialFilter: CommonMessageFilter<TextContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -343,7 +343,7 @@ 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(),
+    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -351,7 +351,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithTextContent(
     user: User,
     initialFilter: CommonMessageFilter<TextContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt

@@ -14,7 +14,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : EncryptedPassportElement> BC.onPassportMessageWith(
     initialFilter: SimpleFilter<PassportMessage>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PassportMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PassportMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PassportMessage, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PassportMessage>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.messageUpdateOrNull() ?.data ?.passportMessageOrNull() ?.takeIf { it.passportData.data.any { it is T } }) ?.let(::listOfNotNull)
@@ -36,7 +36,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : EncryptedPasspor
 suspend fun <BC : BehaviourContext> BC.onPassportMessage(
     initialFilter: SimpleFilter<PassportMessage>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PassportMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PassportMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PassportMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PassportMessage>
 ) = onPassportMessageWith<BC, EncryptedPassportElement>(
     initialFilter,

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt

@@ -13,7 +13,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext> BC.onPollAnswered(
     initialFilter: SimpleFilter<PollAnswer>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PollAnswer, Update>? = null,
-    markerFactory: MarkerFactory<in PollAnswer, Any> = ByIdPollAnswerMarkerFactory,
+    markerFactory: MarkerFactory<in PollAnswer, Any>? = ByIdPollAnswerMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PollAnswer>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.pollAnswerUpdateOrNull() ?.data) ?.let(::listOfNotNull)
@@ -34,7 +34,7 @@ internal suspend inline fun <BC : BehaviourContext> BC.onPollAnswered(
 suspend fun <BC : BehaviourContext> BC.onPollAnswer(
     initialFilter: SimpleFilter<PollAnswer>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PollAnswer, Update>? = null,
-    markerFactory: MarkerFactory<in PollAnswer, Any> = ByIdPollAnswerMarkerFactory,
+    markerFactory: MarkerFactory<in PollAnswer, Any>? = ByIdPollAnswerMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PollAnswer>
 ) = onPollAnswered(
     initialFilter,

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt

@@ -13,7 +13,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : Poll> BC.onPollUpdatedBase(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
-    markerFactory: MarkerFactory<in T, Any> = ByIdPollMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByIdPollMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.pollUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -34,7 +34,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : Poll> BC.onPollU
 suspend fun <BC : BehaviourContext> BC.onPollUpdates(
     initialFilter: SimpleFilter<Poll>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, Poll, Update>? = null,
-    markerFactory: MarkerFactory<in Poll, Any> = ByIdPollMarkerFactory,
+    markerFactory: MarkerFactory<in Poll, Any>? = ByIdPollMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, Poll>
 ) = onPollUpdatedBase(
     initialFilter,
@@ -58,7 +58,7 @@ suspend fun <BC : BehaviourContext> BC.onPollUpdates(
 suspend fun <BC : BehaviourContext> BC.onRegularPollUpdates(
     initialFilter: SimpleFilter<RegularPoll>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, RegularPoll, Update>? = null,
-    markerFactory: MarkerFactory<in RegularPoll, Any> = ByIdPollMarkerFactory,
+    markerFactory: MarkerFactory<in RegularPoll, Any>? = ByIdPollMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, RegularPoll>
 ) = onPollUpdatedBase(
     initialFilter,
@@ -82,7 +82,7 @@ suspend fun <BC : BehaviourContext> BC.onRegularPollUpdates(
 suspend fun <BC : BehaviourContext> BC.onQuizPollUpdates(
     initialFilter: SimpleFilter<QuizPoll>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, QuizPoll, Update>? = null,
-    markerFactory: MarkerFactory<in QuizPoll, Any> = ByIdPollMarkerFactory,
+    markerFactory: MarkerFactory<in QuizPoll, Any>? = ByIdPollMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, QuizPoll>
 ) = onPollUpdatedBase(
     initialFilter,

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt

@@ -28,7 +28,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onPreCheckoutQuery(
     initialFilter: SimpleFilter<PreCheckoutQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PreCheckoutQuery, Update>? = PreCheckoutQueryFilterByUser,
-    markerFactory: MarkerFactory<in PreCheckoutQuery, Any> = ByUserPreCheckoutQueryMarkerFactory,
+    markerFactory: MarkerFactory<in PreCheckoutQuery, Any>? = ByUserPreCheckoutQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PreCheckoutQuery>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.preCheckoutQueryUpdateOrNull() ?.data) ?.let(::listOfNotNull)

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt

@@ -28,7 +28,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onShippingQuery(
     initialFilter: SimpleFilter<ShippingQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ShippingQuery, Update>? = ShippingQueryFilterByUser,
-    markerFactory: MarkerFactory<in ShippingQuery, Any> = ByUserShippingQueryMarkerFactory,
+    markerFactory: MarkerFactory<in ShippingQuery, Any>? = ByUserShippingQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ShippingQuery>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.shippingQueryUpdateOrNull() ?.data) ?.let(::listOfNotNull)