Fix return types of methods in BenchmarkOutput.Factory

graylog2-server/src/main/java/org/graylog2/outputs/BenchmarkOutput.java

@@ -17,9 +17,12 @@
 
 package org.graylog2.outputs;
 
-import com.codahale.metrics.*;
+import com.codahale.metrics.CsvReporter;
+import com.codahale.metrics.Meter;
+import com.codahale.metrics.Metric;
+import com.codahale.metrics.MetricFilter;
+import com.codahale.metrics.MetricRegistry;
 import com.google.common.collect.ImmutableList;
-import javax.inject.Inject;
 import com.google.inject.assistedinject.Assisted;
 import com.google.inject.assistedinject.AssistedInject;
 import org.graylog2.plugin.Message;
@@ -29,6 +32,7 @@
 import org.graylog2.plugin.streams.Stream;
 import org.graylog2.shared.journal.Journal;
 
+import javax.inject.Inject;
 import java.io.File;
 import java.util.List;
 import java.util.Locale;
@@ -104,9 +108,9 @@ public void write(List<Message> messages) throws Exception {
         messagesWritten.mark(messages.size());
     }
 
-    public interface Factory extends MessageOutput.Factory<GelfOutput> {
+    public interface Factory extends MessageOutput.Factory<BenchmarkOutput> {
         @Override
-        GelfOutput create(Stream stream, Configuration configuration);
+        BenchmarkOutput create(Stream stream, Configuration configuration);
 
         @Override
         Config getConfig();