Adding @SupressWarnings("restrictions")
diff --git a/jetty-test-helper/src/main/java/org/eclipse/jetty/toolchain/test/BenchmarkHelper.java b/jetty-test-helper/src/main/java/org/eclipse/jetty/toolchain/test/BenchmarkHelper.java
index d2a7a13..2668fa5 100644
--- a/jetty-test-helper/src/main/java/org/eclipse/jetty/toolchain/test/BenchmarkHelper.java
+++ b/jetty-test-helper/src/main/java/org/eclipse/jetty/toolchain/test/BenchmarkHelper.java
@@ -141,6 +141,7 @@
         lastOldUsed = old;
     }
 
+    @SuppressWarnings("restriction")
     public boolean startStatistics()
     {
         // Support for multiple nodes requires to ignore start requests after the first
@@ -216,6 +217,7 @@
         }
     }
 
+    @SuppressWarnings("restriction")
     public boolean stopStatistics()
     {
         synchronized (this)