from: compiler
to: conf
evidence:
 - file: "compiler/frontend/spark/src/main/java/org/apache/nemo/compiler/frontend/spark/sql/SparkSession.java"
   contains "import org.apache.nemo.conf.JobConf;"

from: compiler
to: conf
evidence:
 - file: "compiler/optimizer/src/main/java/org/apache/nemo/compiler/optimizer/NemoOptimizer.java"
   contains "import org.apache.nemo.conf.JobConf;"