Create a fun

vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/factory/MergedHeaderItemFactory.kt

@@ -64,8 +64,18 @@ class MergedHeaderItemFactory @Inject constructor(private val avatarRenderer: Av
         } else if (!event.canBeMerged() || (nextEvent?.root?.getClearType() == event.root.getClearType() && !addDaySeparator)) {
             null
         } else {
+            buildMembershipEventsMergedSummary(currentPosition, items, event, eventIdToHighlight, requestModelBuild, callback)
+        }
+    }
+
+    private fun buildMembershipEventsMergedSummary(currentPosition: Int,
+                                                   items: List<TimelineEvent>,
+                                                   event: TimelineEvent,
+                                                   eventIdToHighlight: String?,
+                                                   requestModelBuild: () -> Unit,
+                                                   callback: TimelineEventController.Callback?): MergedMembershipEventsItem_? {
         val prevSameTypeEvents = items.prevSameTypeEvents(currentPosition, 2)
-            if (prevSameTypeEvents.isEmpty()) {
+        return if (prevSameTypeEvents.isEmpty()) {
             null
         } else {
             var highlighted = false
@@ -119,7 +129,6 @@ class MergedHeaderItemFactory @Inject constructor(private val avatarRenderer: Av
                     }
         }
     }
-    }
 
     private fun buildRoomCreationMergedSummary(currentPosition: Int,
                                                items: List<TimelineEvent>,