java.lang are always implicitly imported.
Change-Id: I926516c3a731efe9d4770e379adb9e02b1d81ac5
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Optional;import java.lang.Override;import java.lang.String;import java.lang.UnsupportedOperationException;
+import com.google.common.base.Optional;
/**
* Concretization of AbstractTreeNode for leaf nodes which only contain data.
/**
* Concretization of AbstractTreeNode for leaf nodes which only contain data.