Deprecate methods using Guava ListenableFuture

- com.yahoo.processing.Response.recursiveComplete()
- com.yahoo.processing.response.DataList.complete()
- com.yahoo.processing.response.IncomingData.completed()

Also fixes bug in FutureResponse where `get()` does not return value produced by async task.

1 files changed, 1 insertions, 1 deletions

diff --git a/container-core/src/test/java/com/yahoo/processing/ResponseTestCase.java b/container-core/src/test/java/com/yahoo/processing/ResponseTestCase.java
index 0f16aed3d0b..efcf608b6f0 100644
--- a/container-core/src/test/java/com/yahoo/processing/ResponseTestCase.java
+++ b/container-core/src/test/java/com/yahoo/processing/ResponseTestCase.java
@@ -22,7 +22,7 @@ public class ResponseTestCase {
      * Check the recursive toString printing along the way.
      * List variable names ends by numbers specifying the index of the list at each level.
      */
-    @SuppressWarnings("unchecked")
+    @SuppressWarnings({"unchecked", "removal"})
     @Test
     public void testRecursiveCompletionAndToString() throws InterruptedException, ExecutionException {
         // create lists