fix: add Internal#autoId() (#292)

dmitry-s · web-flow · commit b91c57c4b2d3 · 2020-07-13T13:42:17.000-04:00
diff --git a/google-cloud-firestore/src/main/java/com/google/cloud/firestore/Internal.java b/google-cloud-firestore/src/main/java/com/google/cloud/firestore/Internal.java
@@ -65,4 +65,9 @@ public DocumentSnapshot snapshotFromProto(Timestamp readTime, Document document)
   public Map<String, Value> protoFromSnapshot(DocumentSnapshot snapshot) {
     return snapshot.getProtoFields();
   }
+
+  @InternalApi
+  public static String autoId() {
+    return FirestoreImpl.autoId();
+  }
 }
