/*     */ public ObjectSortedSet<Reference2DoubleMap.Entry<K>> reference2DoubleEntrySet() {
   /* 135 */ if (this.entries == null)
     this.entries =
         ObjectSortedSets.singleton(
             new Reference2DoubleMaps.Singleton.SingletonEntry(this),
             Reference2DoubleSortedMaps.entryComparator(this.comparator));
   return (ObjectSortedSet) this.entries;
   /*     */ }