Add type annotation for the benefit of java 7

Fixes #1863

--
MOS_MIGRATED_REVID=134767527

2 files changed, 2 insertions, 2 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/buildeventstream/AbortedEvent.java b/src/main/java/com/google/devtools/build/lib/buildeventstream/AbortedEvent.java
index cee0b41b4a..3421b974ae 100644
--- a/src/main/java/com/google/devtools/build/lib/buildeventstream/AbortedEvent.java
+++ b/src/main/java/com/google/devtools/build/lib/buildeventstream/AbortedEvent.java
@@ -23,7 +23,7 @@ public class AbortedEvent extends GenericBuildEvent {
 
   public AbortedEvent(
       BuildEventId id, BuildEventStreamProtos.Aborted.AbortReason reason, String description) {
-    super(id, ImmutableList.of());
+    super(id, ImmutableList.<BuildEventId>of());
     this.reason = reason;
     this.description = description;
   }
diff --git a/src/main/java/com/google/devtools/build/lib/buildeventstream/ProgressEvent.java b/src/main/java/com/google/devtools/build/lib/buildeventstream/ProgressEvent.java
index 97622614e9..c6792334f5 100644
--- a/src/main/java/com/google/devtools/build/lib/buildeventstream/ProgressEvent.java
+++ b/src/main/java/com/google/devtools/build/lib/buildeventstream/ProgressEvent.java
@@ -60,6 +60,6 @@ public final class ProgressEvent extends GenericBuildEvent {
    */
   public static BuildEvent finalProgressUpdate(int number) {
     BuildEventId id = BuildEventId.progressId(number);
-    return new ProgressEvent(id, ImmutableList.of());
+    return new ProgressEvent(id, ImmutableList.<BuildEventId>of());
   }
 }