dbwong commented on a change in pull request #482: PHOENIX-4925 Use Segment 
tree to organize Guide Post Info
URL: https://github.com/apache/phoenix/pull/482#discussion_r275089587
 
 

 ##########
 File path: 
phoenix-core/src/main/java/org/apache/phoenix/schema/stats/DefaultStatisticsCollector.java
 ##########
 @@ -20,11 +20,9 @@
 import java.io.IOException;
 import java.sql.Connection;
 import java.sql.SQLException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 Review comment:
   nit: phoenix avoids use of * imports.

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