yang choice case translator + whitebox fix

Change-Id: I96f1855bc71a002335946150b51e911ae6ac2fb2
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/UtilConstants.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/UtilConstants.java
index def4cc9..eeee061 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/UtilConstants.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/UtilConstants.java
@@ -26,12 +26,6 @@
 public final class UtilConstants {
 
     /**
-     * Creates an instance of util constants.
-     */
-    private UtilConstants() {
-    }
-
-    /**
      * JavaDocs for impl class.
      */
     public static final String IMPL_CLASS_JAVA_DOC = " * Represents the implementation of ";
@@ -841,4 +835,10 @@
      * Static attribute for array list.
      */
     public static final String ARRAY_LIST = "ArrayList";
+
+    /**
+     * Creates an instance of util constants.
+     */
+    private UtilConstants() {
+    }
 }