From d0519848296a773600eb2331b5b2bde0e1d582cc Mon Sep 17 00:00:00 2001
From: Vikas Kedia <vikas.kedia@gmail.com>
Date: Thu, 6 Apr 2017 13:39:46 -0700
Subject: [PATCH] Replace a constant of type Set with ImmutableSet

---
 .../src/main/java/com/google/cloud/spanner/SpannerOptions.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerOptions.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerOptions.java
index a008bb602ffa..f051e351beab 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerOptions.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerOptions.java
@@ -43,7 +43,7 @@
 public class SpannerOptions extends ServiceOptions<Spanner, SpannerOptions> {
   private static final String API_SHORT_NAME = "Spanner";
   private static final String DEFAULT_HOST = "https://spanner.googleapis.com";
-  private static final Set<String> SCOPES =
+  private static final ImmutableSet<String> SCOPES =
       ImmutableSet.of(
           "https://www.googleapis.com/auth/spanner.admin",
           "https://www.googleapis.com/auth/spanner.data");