private CollectionName ResolveConflictAndAddTombstone(DocumentsOperationContext context, string changeVector, IReadOnlyList <DocumentConflict> conflicts, out long etag) { var indexOfLargestEtag = FindIndexOfLargestEtagAndMergeChangeVectors(conflicts, out string mergedChangeVector); var latestConflict = conflicts[indexOfLargestEtag]; var collectionName = new CollectionName(latestConflict.Collection); using (DocumentIdWorker.GetSliceFromId(context, latestConflict.Id, out Slice lowerId)) { //note that CreateTombstone is also deleting conflicts etag = _documentsStorage.CreateTombstone(context, lowerId, latestConflict.Etag, collectionName, context.GetLazyString(mergedChangeVector), latestConflict.LastModified.Ticks, changeVector, latestConflict.Flags).Etag; } return(collectionName); }