import com.yammer.metrics.core.Timer;
import com.yammer.metrics.core.TimerContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.graylog2.Core;
<BUG>import org.graylog2.buffers.MessageEvent;
</BUG>
import org.graylog2.plugin.filters.MessageFilter;
import org.graylog2.plugin.Message;
import java.util.concurrent.TimeUnit;

import com.yammer.metrics.core.Timer;
import com.yammer.metrics.core.TimerContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.graylog2.Core;
import org.graylog2.plugin.buffers.MessageEvent;
import org.graylog2.plugin.filters.MessageFilter;
import org.graylog2.plugin.Message;
import java.util.concurrent.TimeUnit;
