bugs fixed
diff --git a/org.eclipse.emf.refactor.smells.uml24.henshin/transformations/unusedclass.henshin b/org.eclipse.emf.refactor.smells.uml24.henshin/transformations/unusedclass.henshin
index 6a4dbbb..738a83f 100644
--- a/org.eclipse.emf.refactor.smells.uml24.henshin/transformations/unusedclass.henshin
+++ b/org.eclipse.emf.refactor.smells.uml24.henshin/transformations/unusedclass.henshin
@@ -1,129 +1,141 @@
 <?xml version="1.0" encoding="UTF-8"?>

-<henshin:Module xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:henshin="http://www.eclipse.org/emf/2011/Henshin" xmi:id="_1ypocKtFEeKxY8S7jup9FQ">

+<henshin:Module xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:henshin="http://www.eclipse.org/emf/2011/Henshin">

   <imports href="http://www.eclipse.org/uml2/4.0.0/UML#/"/>

-  <units xsi:type="henshin:Rule" xmi:id="_1yqPgKtFEeKxY8S7jup9FQ" name="mainRule">

-    <lhs xmi:id="_1yqPgatFEeKxY8S7jup9FQ" name="Lhs">

-      <nodes xmi:id="_1yqPgqtFEeKxY8S7jup9FQ">

+  <units xsi:type="henshin:Rule" name="mainRule">

+    <lhs name="Lhs">

+      <nodes>

         <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

       </nodes>

-      <formula xsi:type="henshin:And" xmi:id="_0LZWwKtFEeKxY8S7jup9FQ">

-        <left xsi:type="henshin:And" xmi:id="_oEgdcKtFEeKxY8S7jup9FQ">

-          <left xsi:type="henshin:And" xmi:id="_A7v5QKtFEeKxY8S7jup9FQ">

-            <left xsi:type="henshin:And" xmi:id="_9Iu6oKtEEeKxY8S7jup9FQ">

-              <left xsi:type="henshin:And" xmi:id="_eYYL0KtEEeKxY8S7jup9FQ">

-                <left xsi:type="henshin:Not" xmi:id="_eYYL0atEEeKxY8S7jup9FQ">

-                  <child xsi:type="henshin:NestedCondition" xmi:id="_eYYL0qtEEeKxY8S7jup9FQ">

-                    <conclusion xmi:id="_eYYy4KtEEeKxY8S7jup9FQ" name="noSuperclass">

-                      <nodes xmi:id="_eYYy4atEEeKxY8S7jup9FQ" outgoing="_eYYy46tEEeKxY8S7jup9FQ">

-                        <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

-                      </nodes>

-                      <nodes xmi:id="_eYYy4qtEEeKxY8S7jup9FQ" incoming="_eYYy46tEEeKxY8S7jup9FQ">

-                        <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

-                      </nodes>

-                      <edges xmi:id="_eYYy46tEEeKxY8S7jup9FQ" source="_eYYy4atEEeKxY8S7jup9FQ" target="_eYYy4qtEEeKxY8S7jup9FQ">

-                        <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class/superClass"/>

-                      </edges>

-                    </conclusion>

-                    <mappings xmi:id="_eYYy5KtEEeKxY8S7jup9FQ" origin="_1yqPgqtFEeKxY8S7jup9FQ" image="_eYYy4atEEeKxY8S7jup9FQ"/>

-                  </child>

+      <formula xsi:type="henshin:And">

+        <left xsi:type="henshin:And">

+          <left xsi:type="henshin:And">

+            <left xsi:type="henshin:And">

+              <left xsi:type="henshin:And">

+                <left xsi:type="henshin:And">

+                  <left xsi:type="henshin:Not">

+                    <child xsi:type="henshin:NestedCondition">

+                      <conclusion name="noSuperclass">

+                        <nodes outgoing="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@left/@child/@conclusion/@edges.0">

+                          <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

+                        </nodes>

+                        <nodes incoming="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@left/@child/@conclusion/@edges.0">

+                          <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

+                        </nodes>

+                        <edges source="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@left/@child/@conclusion/@nodes.0" target="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@left/@child/@conclusion/@nodes.1">

+                          <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class/superClass"/>

+                        </edges>

+                      </conclusion>

+                      <mappings origin="//@units.0/@lhs/@nodes.0" image="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@left/@child/@conclusion/@nodes.0"/>

+                    </child>

+                  </left>

+                  <right xsi:type="henshin:Not">

+                    <child xsi:type="henshin:NestedCondition">

+                      <conclusion name="noSubclass">

+                        <nodes incoming="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@right/@child/@conclusion/@edges.0">

+                          <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

+                        </nodes>

+                        <nodes outgoing="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@right/@child/@conclusion/@edges.0">

+                          <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

+                        </nodes>

+                        <edges source="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@right/@child/@conclusion/@nodes.1" target="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@right/@child/@conclusion/@nodes.0">

+                          <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class/superClass"/>

+                        </edges>

+                      </conclusion>

+                      <mappings origin="//@units.0/@lhs/@nodes.0" image="//@units.0/@lhs/@formula/@left/@left/@left/@left/@left/@right/@child/@conclusion/@nodes.0"/>

+                    </child>

+                  </right>

                 </left>

-                <right xsi:type="henshin:Not" xmi:id="_eYYy5atEEeKxY8S7jup9FQ">

-                  <child xsi:type="henshin:NestedCondition" xmi:id="_eYYy5qtEEeKxY8S7jup9FQ">

-                    <conclusion xmi:id="_eYYy56tEEeKxY8S7jup9FQ" name="noSubclass">

-                      <nodes xmi:id="_eYaBAKtEEeKxY8S7jup9FQ" incoming="_9Iu6oqtEEeKxY8S7jup9FQ">

+                <right xsi:type="henshin:Not">

+                  <child xsi:type="henshin:NestedCondition">

+                    <conclusion name="noType">

+                      <nodes incoming="//@units.0/@lhs/@formula/@left/@left/@left/@left/@right/@child/@conclusion/@edges.0">

                         <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

                       </nodes>

-                      <nodes xmi:id="_9Iu6oatEEeKxY8S7jup9FQ" outgoing="_9Iu6oqtEEeKxY8S7jup9FQ">

-                        <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

+                      <nodes outgoing="//@units.0/@lhs/@formula/@left/@left/@left/@left/@right/@child/@conclusion/@edges.0">

+                        <type href="http://www.eclipse.org/uml2/4.0.0/UML#//TypedElement"/>

                       </nodes>

-                      <edges xmi:id="_9Iu6oqtEEeKxY8S7jup9FQ" source="_9Iu6oatEEeKxY8S7jup9FQ" target="_eYaBAKtEEeKxY8S7jup9FQ">

-                        <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class/superClass"/>

+                      <edges source="//@units.0/@lhs/@formula/@left/@left/@left/@left/@right/@child/@conclusion/@nodes.1" target="//@units.0/@lhs/@formula/@left/@left/@left/@left/@right/@child/@conclusion/@nodes.0">

+                        <type href="http://www.eclipse.org/uml2/4.0.0/UML#//TypedElement/type"/>

                       </edges>

                     </conclusion>

-                    <mappings xmi:id="_eYaBAatEEeKxY8S7jup9FQ" origin="_1yqPgqtFEeKxY8S7jup9FQ" image="_eYaBAKtEEeKxY8S7jup9FQ"/>

+                    <mappings origin="//@units.0/@lhs/@nodes.0" image="//@units.0/@lhs/@formula/@left/@left/@left/@left/@right/@child/@conclusion/@nodes.0"/>

                   </child>

                 </right>

               </left>

-              <right xsi:type="henshin:Not" xmi:id="_9Iu6o6tEEeKxY8S7jup9FQ">

-                <child xsi:type="henshin:NestedCondition" xmi:id="_9Iu6pKtEEeKxY8S7jup9FQ">

-                  <conclusion xmi:id="_9Iu6patEEeKxY8S7jup9FQ" name="noType">

-                    <nodes xmi:id="_9IxW4KtEEeKxY8S7jup9FQ" incoming="_5e5GIKtEEeKxY8S7jup9FQ">

+              <right xsi:type="henshin:Not">

+                <child xsi:type="henshin:NestedCondition">

+                  <conclusion name="noInterface">

+                    <nodes outgoing="//@units.0/@lhs/@formula/@left/@left/@left/@right/@child/@conclusion/@edges.0">

                       <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

                     </nodes>

-                    <nodes xmi:id="_2Dbr4KtEEeKxY8S7jup9FQ" outgoing="_5e5GIKtEEeKxY8S7jup9FQ">

-                      <type href="http://www.eclipse.org/uml2/4.0.0/UML#//TypedElement"/>

+                    <nodes incoming="//@units.0/@lhs/@formula/@left/@left/@left/@right/@child/@conclusion/@edges.0" outgoing="//@units.0/@lhs/@formula/@left/@left/@left/@right/@child/@conclusion/@edges.1">

+                      <type href="http://www.eclipse.org/uml2/4.0.0/UML#//InterfaceRealization"/>

                     </nodes>

-                    <edges xmi:id="_5e5GIKtEEeKxY8S7jup9FQ" source="_2Dbr4KtEEeKxY8S7jup9FQ" target="_9IxW4KtEEeKxY8S7jup9FQ">

-                      <type href="http://www.eclipse.org/uml2/4.0.0/UML#//TypedElement/type"/>

+                    <nodes incoming="//@units.0/@lhs/@formula/@left/@left/@left/@right/@child/@conclusion/@edges.1">

+                      <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Interface"/>

+                    </nodes>

+                    <edges source="//@units.0/@lhs/@formula/@left/@left/@left/@right/@child/@conclusion/@nodes.0" target="//@units.0/@lhs/@formula/@left/@left/@left/@right/@child/@conclusion/@nodes.1">

+                      <type href="http://www.eclipse.org/uml2/4.0.0/UML#//BehavioredClassifier/interfaceRealization"/>

+                    </edges>

+                    <edges source="//@units.0/@lhs/@formula/@left/@left/@left/@right/@child/@conclusion/@nodes.1" target="//@units.0/@lhs/@formula/@left/@left/@left/@right/@child/@conclusion/@nodes.2">

+                      <type href="http://www.eclipse.org/uml2/4.0.0/UML#//InterfaceRealization/contract"/>

                     </edges>

                   </conclusion>

-                  <mappings xmi:id="_9IxW4atEEeKxY8S7jup9FQ" origin="_1yqPgqtFEeKxY8S7jup9FQ" image="_9IxW4KtEEeKxY8S7jup9FQ"/>

+                  <mappings origin="//@units.0/@lhs/@nodes.0" image="//@units.0/@lhs/@formula/@left/@left/@left/@right/@child/@conclusion/@nodes.0"/>

                 </child>

               </right>

             </left>

-            <right xsi:type="henshin:Not" xmi:id="_A7v5QatFEeKxY8S7jup9FQ">

-              <child xsi:type="henshin:NestedCondition" xmi:id="_A7v5QqtFEeKxY8S7jup9FQ">

-                <conclusion xmi:id="_A7v5Q6tFEeKxY8S7jup9FQ" name="noInterface">

-                  <nodes xmi:id="_A7y8kKtFEeKxY8S7jup9FQ" outgoing="_6QgwUKtEEeKxY8S7jup9FQ">

+            <right xsi:type="henshin:Not">

+              <child xsi:type="henshin:NestedCondition">

+                <conclusion name="noUsage">

+                  <nodes incoming="//@units.0/@lhs/@formula/@left/@left/@right/@child/@conclusion/@edges.0">

                     <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

                   </nodes>

-                  <nodes xmi:id="_3zR44KtEEeKxY8S7jup9FQ" incoming="_6QgwUKtEEeKxY8S7jup9FQ" outgoing="_P-HsQKtFEeKxY8S7jup9FQ">

-                    <type href="http://www.eclipse.org/uml2/4.0.0/UML#//InterfaceRealization"/>

-                  </nodes>

-                  <nodes xmi:id="_O_A_sKtFEeKxY8S7jup9FQ" incoming="_P-HsQKtFEeKxY8S7jup9FQ">

+                  <nodes incoming="//@units.0/@lhs/@formula/@left/@left/@right/@child/@conclusion/@edges.1">

                     <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Interface"/>

                   </nodes>

-                  <edges xmi:id="_6QgwUKtEEeKxY8S7jup9FQ" source="_A7y8kKtFEeKxY8S7jup9FQ" target="_3zR44KtEEeKxY8S7jup9FQ">

-                    <type href="http://www.eclipse.org/uml2/4.0.0/UML#//BehavioredClassifier/interfaceRealization"/>

+                  <nodes outgoing="//@units.0/@lhs/@formula/@left/@left/@right/@child/@conclusion/@edges.0 //@units.0/@lhs/@formula/@left/@left/@right/@child/@conclusion/@edges.1">

+                    <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Usage"/>

+                  </nodes>

+                  <edges source="//@units.0/@lhs/@formula/@left/@left/@right/@child/@conclusion/@nodes.2" target="//@units.0/@lhs/@formula/@left/@left/@right/@child/@conclusion/@nodes.0">

+                    <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Dependency/client"/>

                   </edges>

-                  <edges xmi:id="_P-HsQKtFEeKxY8S7jup9FQ" source="_3zR44KtEEeKxY8S7jup9FQ" target="_O_A_sKtFEeKxY8S7jup9FQ">

-                    <type href="http://www.eclipse.org/uml2/4.0.0/UML#//InterfaceRealization/contract"/>

+                  <edges source="//@units.0/@lhs/@formula/@left/@left/@right/@child/@conclusion/@nodes.2" target="//@units.0/@lhs/@formula/@left/@left/@right/@child/@conclusion/@nodes.1">

+                    <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Dependency/supplier"/>

                   </edges>

                 </conclusion>

-                <mappings xmi:id="_A7y8katFEeKxY8S7jup9FQ" origin="_1yqPgqtFEeKxY8S7jup9FQ" image="_A7y8kKtFEeKxY8S7jup9FQ"/>

+                <mappings origin="//@units.0/@lhs/@nodes.0" image="//@units.0/@lhs/@formula/@left/@left/@right/@child/@conclusion/@nodes.0"/>

               </child>

             </right>

           </left>

-          <right xsi:type="henshin:Not" xmi:id="_oEhEgKtFEeKxY8S7jup9FQ">

-            <child xsi:type="henshin:NestedCondition" xmi:id="_oEhEgatFEeKxY8S7jup9FQ">

-              <conclusion xmi:id="_oEhEgqtFEeKxY8S7jup9FQ" name="noUsage">

-                <nodes xmi:id="_oElV8KtFEeKxY8S7jup9FQ" incoming="_kNWlsKtFEeKxY8S7jup9FQ">

-                  <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

+          <right xsi:type="henshin:Not">

+            <child xsi:type="henshin:NestedCondition">

+              <conclusion name="noStatemachine">

+                <nodes>

+                  <type href="http://www.eclipse.org/uml2/4.0.0/UML#//StateMachine"/>

                 </nodes>

-                <nodes xmi:id="_T0_3MKtFEeKxY8S7jup9FQ" incoming="_lGIn0KtFEeKxY8S7jup9FQ">

-                  <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Interface"/>

-                </nodes>

-                <nodes xmi:id="_SjRwoKtFEeKxY8S7jup9FQ" outgoing="_kNWlsKtFEeKxY8S7jup9FQ _lGIn0KtFEeKxY8S7jup9FQ">

-                  <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Usage"/>

-                </nodes>

-                <edges xmi:id="_kNWlsKtFEeKxY8S7jup9FQ" source="_SjRwoKtFEeKxY8S7jup9FQ" target="_oElV8KtFEeKxY8S7jup9FQ">

-                  <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Dependency/client"/>

-                </edges>

-                <edges xmi:id="_lGIn0KtFEeKxY8S7jup9FQ" source="_SjRwoKtFEeKxY8S7jup9FQ" target="_T0_3MKtFEeKxY8S7jup9FQ">

-                  <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Dependency/supplier"/>

-                </edges>

               </conclusion>

-              <mappings xmi:id="_oElV8atFEeKxY8S7jup9FQ" origin="_1yqPgqtFEeKxY8S7jup9FQ" image="_oElV8KtFEeKxY8S7jup9FQ"/>

+              <mappings origin="//@units.0/@lhs/@nodes.0" image="//@units.0/@lhs/@formula/@left/@right/@child/@conclusion/@nodes.0"/>

             </child>

           </right>

         </left>

-        <right xsi:type="henshin:Not" xmi:id="_0LZ90KtFEeKxY8S7jup9FQ">

-          <child xsi:type="henshin:NestedCondition" xmi:id="_0LZ90atFEeKxY8S7jup9FQ">

-            <conclusion xmi:id="_0LZ90qtFEeKxY8S7jup9FQ" name="noStatemachine">

-              <nodes xmi:id="_Yr1qUKtFEeKxY8S7jup9FQ">

-                <type href="http://www.eclipse.org/uml2/4.0.0/UML#//StateMachine"/>

+        <right xsi:type="henshin:Not">

+          <child xsi:type="henshin:NestedCondition">

+            <conclusion name="noOpaqueBehavior">

+              <nodes>

+                <type href="http://www.eclipse.org/uml2/4.0.0/UML#//OpaqueBehavior"/>

               </nodes>

             </conclusion>

-            <mappings xmi:id="_BQ-F4KtGEeKxY8S7jup9FQ" origin="_1yqPgqtFEeKxY8S7jup9FQ" image="_Yr1qUKtFEeKxY8S7jup9FQ"/>

+            <mappings origin="//@units.0/@lhs/@nodes.0" image="//@units.0/@lhs/@formula/@right/@child/@conclusion/@nodes.0"/>

           </child>

         </right>

       </formula>

     </lhs>

-    <rhs xmi:id="_1yrdoKtFEeKxY8S7jup9FQ" name="Rhs">

-      <nodes xmi:id="_1yrdoatFEeKxY8S7jup9FQ">

+    <rhs name="Rhs">

+      <nodes>

         <type href="http://www.eclipse.org/uml2/4.0.0/UML#//Class"/>

       </nodes>

     </rhs>

-    <mappings xmi:id="_1yrdoqtFEeKxY8S7jup9FQ" origin="_1yqPgqtFEeKxY8S7jup9FQ" image="_1yrdoatFEeKxY8S7jup9FQ"/>

+    <mappings origin="//@units.0/@lhs/@nodes.0" image="//@units.0/@rhs/@nodes.0"/>

   </units>

 </henshin:Module>

diff --git a/org.eclipse.emf.refactor.smells.uml24.henshin/transformations/unusedclass.henshin_diagram b/org.eclipse.emf.refactor.smells.uml24.henshin/transformations/unusedclass.henshin_diagram
index fac84e5..00fd3ae 100644
--- a/org.eclipse.emf.refactor.smells.uml24.henshin/transformations/unusedclass.henshin_diagram
+++ b/org.eclipse.emf.refactor.smells.uml24.henshin/transformations/unusedclass.henshin_diagram
@@ -2,7 +2,7 @@
 <notation:Diagram xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:henshin="http://www.eclipse.org/emf/2011/Henshin" xmlns:notation="http://www.eclipse.org/gmf/runtime/1.0.2/notation" xmi:id="_-WotoKtDEeKxY8S7jup9FQ" type="Henshin" measurementUnit="Pixel">

   <children xmi:type="notation:Shape" xmi:id="_-alZgKtDEeKxY8S7jup9FQ" type="2001" fontName="Segoe UI" italic="true" fillColor="16114135" lineColor="0">

     <eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_AYmlYKtEEeKxY8S7jup9FQ" source="defaultAction">

-      <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_AYmlYatEEeKxY8S7jup9FQ" key="value" value="forbid#noStatemachine"/>

+      <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_AYmlYatEEeKxY8S7jup9FQ" key="value" value="forbid#noOpaqueBehavior"/>

     </eAnnotations>

     <children xmi:type="notation:DecorationNode" xmi:id="_-alZgqtDEeKxY8S7jup9FQ" type="5001"/>

     <children xmi:type="notation:DecorationNode" xmi:id="_-alZg6tDEeKxY8S7jup9FQ" type="7001">

@@ -13,160 +13,83 @@
           <styles xmi:type="notation:SortingStyle" xmi:id="_AYoalatEEeKxY8S7jup9FQ"/>

           <styles xmi:type="notation:FilteringStyle" xmi:id="_AYoalqtEEeKxY8S7jup9FQ"/>

         </children>

-        <element xmi:type="henshin:Node" href="unusedclass.henshin#_1yqPgqtFEeKxY8S7jup9FQ"/>

+        <element xmi:type="henshin:Node" href="unusedclass.henshin#//@units.0/@lhs/@nodes.0"/>

         <layoutConstraint xmi:type="notation:Bounds" xmi:id="_AYoakatEEeKxY8S7jup9FQ" x="357" y="229"/>

       </children>

-      <children xmi:type="notation:Shape" xmi:id="_YaMWIKtEEeKxY8S7jup9FQ" type="3001" fontName="Segoe UI">

-        <children xmi:type="notation:DecorationNode" xmi:id="_YaM9MKtEEeKxY8S7jup9FQ" type="5002"/>

-        <children xmi:type="notation:DecorationNode" xmi:id="_YaM9MatEEeKxY8S7jup9FQ" type="5003"/>

-        <children xmi:type="notation:DecorationNode" xmi:id="_YaM9MqtEEeKxY8S7jup9FQ" type="7002">

-          <styles xmi:type="notation:SortingStyle" xmi:id="_YaM9M6tEEeKxY8S7jup9FQ"/>

-          <styles xmi:type="notation:FilteringStyle" xmi:id="_YaM9NKtEEeKxY8S7jup9FQ"/>

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