Don't use Immutable annotation
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.admin.monitoring;
-import javax.annotation.concurrent.Immutable;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
@@ -14,10 +13,10 @@ import static java.util.Collections.unmodifiableMap;
/**
* Models a metric set containing a set of metrics and child metric sets.
+ * This should be immutable.
*
* @author gjoranv
*/
-@Immutable
public class MetricSet {
private final String id;
