Making class final

Author: ycombinator

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/beats/BeatsFeatureSetUsage.java

@@ -11,7 +11,7 @@
 
 import java.io.IOException;
 
-public class BeatsFeatureSetUsage extends XPackFeatureSet.Usage {
+public final class BeatsFeatureSetUsage extends XPackFeatureSet.Usage {
 
     public BeatsFeatureSetUsage(StreamInput in) throws IOException {
         super(in);