package org.apache.hadoop.metrics2.impl;
import static org.junit.Assert.*;
import java.util.ArrayList;
<BUG>import java.util.List;
import org.apache.hadoop.metrics2.MetricsSource;</BUG>
import org.apache.hadoop.metrics2.MetricsTag;
import org.apache.hadoop.metrics2.annotation.Metric;
import org.apache.hadoop.metrics2.annotation.Metrics;

package org.apache.hadoop.metrics2.impl;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.metrics2.MetricsCollector;
import org.apache.hadoop.metrics2.MetricsRecordBuilder;
import org.apache.hadoop.metrics2.MetricsSource;
import org.apache.hadoop.metrics2.MetricsTag;
import org.apache.hadoop.metrics2.annotation.Metric;
import org.apache.hadoop.metrics2.annotation.Metrics;
