(List
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('SCALA_HOME', {[LIT_CHARS /root/scala-2.9.1.final]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('MESOS_HOME', {[LIT_CHARS /root/mesos]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('SPARK_MEM', {[LIT_CHARS 2g]})])
)