make everything work by using error_prone_annotations

pongad · pongad · commit e8220b41fb3f · 2016-12-20T10:34:14.000+11:00
diff --git a/google-cloud-pubsub/pom.xml b/google-cloud-pubsub/pom.xml
@@ -53,6 +53,16 @@
       <artifactId>grpc-auth</artifactId>
       <version>${grpc.version}</version>
     </dependency>
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+      <version>20.0</version>
+    </dependency>
+    <dependency>
+      <groupId>com.google.errorprone</groupId>
+      <artifactId>error_prone_annotations</artifactId>
+      <version>2.0.15</version>
+    </dependency>
     <dependency>
       <groupId>joda-time</groupId>
       <artifactId>joda-time</artifactId>
