import net.sf.ehcache.pool.Size;
import net.sf.ehcache.pool.SizeOfEngine;
import net.sf.ehcache.pool.impl.DefaultSizeOfEngine;
import net.sf.ehcache.pool.sizeof.ReflectionSizeOf;
import net.sf.ehcache.pool.sizeof.SizeOf;
<BUG>import org.apache.hadoop.metrics2.sink.timeline.TimelineMetric;
import org.slf4j.Logger;</BUG>
import org.slf4j.LoggerFactory;
import java.util.Map;
public class TimelineMetricsCacheSizeOfEngine implements SizeOfEngine {

import net.sf.ehcache.pool.Size;
import net.sf.ehcache.pool.SizeOfEngine;
import net.sf.ehcache.pool.impl.DefaultSizeOfEngine;
import net.sf.ehcache.pool.sizeof.ReflectionSizeOf;
import net.sf.ehcache.pool.sizeof.SizeOf;
import org.apache.hadoop.metrics2.sink.timeline.TimelineMetric;
import org.apache.hadoop.metrics2.sink.timeline.TimelineMetrics;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Map;
public class TimelineMetricsCacheSizeOfEngine implements SizeOfEngine {
