Simplify

Author: schmidt-sebastian

firebase-firestore/src/main/java/com/google/firebase/firestore/local/LocalDocumentsView.java

@@ -123,7 +123,7 @@ ImmutableSortedMap<DocumentKey, Document> getDocuments(Iterable<DocumentKey> key
    * @param existenceStateChanged The set of document keys whose existence state is changed. This is
    *     useful to determine if some documents overlay needs to be recalculated.
    */
-  ImmutableSortedMap<DocumentKey, Document> getLocalViewOfDocuments(
+  private ImmutableSortedMap<DocumentKey, Document> getLocalViewOfDocuments(
       Map<DocumentKey, MutableDocument> docs,
       Function<DocumentKey, Overlay> overlays,
       Set<DocumentKey> existenceStateChanged) {
@@ -153,6 +153,20 @@ ImmutableSortedMap<DocumentKey, Document> getLocalViewOfDocuments(
     return results;
   }
 
+  /**
+   * Similar to {@link #getDocuments}, but creates the local view from the given {@code baseDocs}
+   * without retrieving documents from the local store.
+   *
+   * @param docs The documents to apply local mutations to get the local views.
+   * @param existenceStateChanged The set of document keys whose existence state is changed. This is
+   *     useful to determine if some documents overlay needs to be recalculated.
+   */
+  ImmutableSortedMap<DocumentKey, Document> getLocalViewOfDocuments(
+          Map<DocumentKey, MutableDocument> docs,
+          Set<DocumentKey> existenceStateChanged) {
+    return getLocalViewOfDocuments(docs, documentOverlayCache::getOverlay, existenceStateChanged);
+  }
+
   private void recalculateAndSaveOverlays(Map<DocumentKey, MutableDocument> docs) {
     List<MutationBatch> batches =
         mutationQueue.getAllMutationBatchesAffectingDocumentKeys(docs.keySet());