fengnanli commented on a change in pull request #2110:
URL: https://github.com/apache/hadoop/pull/2110#discussion_r447986241
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File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/AbstractDelegationTokenSecretManager.java
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@@ -34,6 +38,8 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.Text;
+import static org.apache.hadoop.metrics2.util.Metrics2Util.NameValuePair;
Review comment:
Inigo told me once about it and I think it can have the usage of member
variables easier and cleaner.
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