From 9577f017fe4b977dff5dd69c6f60840130679646 Mon Sep 17 00:00:00 2001
From: Shanika Kuruppu <skuruppu@google.com>
Date: Fri, 24 Jan 2020 14:33:53 +1100
Subject: [PATCH] Annotate SpannerRpc and Session classes as @InternalApi.

Users shouldn't be implementing these interfaces as they're internal to
the client library implementation.
---
 .../src/main/java/com/google/cloud/spanner/Session.java          | 1 +
 .../main/java/com/google/cloud/spanner/spi/v1/SpannerRpc.java    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/Session.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/Session.java
index 7dd7803e349..8e822f3258e 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/Session.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/Session.java
@@ -42,6 +42,7 @@
  * require external synchronization; {@code Session} implementations are not required to be
  * thread-safe.
  */
+@InternalApi
 public interface Session extends DatabaseClient, AutoCloseable {
   /** Returns the resource name associated with this session. */
   String getName();
diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/spi/v1/SpannerRpc.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/spi/v1/SpannerRpc.java
index ec1a23a0bbb..d0efb6d0e74 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/spi/v1/SpannerRpc.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/spi/v1/SpannerRpc.java
@@ -67,6 +67,7 @@
  * is purely for expedience; a future version of this interface is likely to be independent of
  * transport to allow switching between gRPC and HTTP.
  */
+@InternalApi
 public interface SpannerRpc extends ServiceRpc {
   /** Options passed in {@link SpannerRpc} methods to control how an RPC is issued. */
   enum Option {