from: flink-optimizer
to: flink-java
evidence:
 - file: "flink-optimizer/src/main/java/org/apache/flink/optimizer/traversals/RangePartitionRewriter.java"
   contains "import org.apache.flink.api.java.functions.IdPartitioner;"

from: flink-optimizer
to: flink-java
evidence:
 - file: "flink-optimizer/src/main/java/org/apache/flink/optimizer/postpass/JavaApiPostPass.java"
   contains "import org.apache.flink.api.java.operators.translation.PlanUnwrappingReduceGroupOperator;"

from: flink-optimizer
to: flink-java
evidence:
 - file: "flink-optimizer/src/main/java/org/apache/flink/optimizer/plantranslate/JobGraphGenerator.java"
   contains "import org.apache.flink.api.java.io.BlockingShuffleOutputFormat;"

from: flink-optimizer
to: flink-java
evidence:
 - file: "flink-optimizer/src/main/java/org/apache/flink/optimizer/plandump/ExecutionPlanJSONGenerator.java"
   contains "import org.apache.flink.api.java.ExecutionPlanUtil;"