morrySnow commented on code in PR #10270:
URL: https://github.com/apache/doris/pull/10270#discussion_r901607210


##########
fe/fe-core/src/main/java/org/apache/doris/nereids/memo/Group.java:
##########
@@ -17,10 +17,13 @@
 
 package org.apache.doris.nereids.memo;
 
+import org.apache.doris.common.AnalysisException;
 import org.apache.doris.common.Pair;
 import org.apache.doris.nereids.operators.plans.logical.LogicalOperator;
 import org.apache.doris.nereids.properties.LogicalProperties;
 import org.apache.doris.nereids.properties.PhysicalProperties;
+import org.apache.doris.nereids.trees.plans.Plan;
+import org.apache.doris.nereids.trees.plans.physical.PhysicalPlan;
 
 import com.clearspring.analytics.util.Lists;
 import com.clearspring.analytics.util.Preconditions;

Review Comment:
   i think these three class is imported by mistake, and should be
   ```
   com.google.common.collect.Lists
   com.google.common.base.Preconditions
   org.apache.commons.collections.CollectionUtils
   ```
   



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