diff --git a/languages/Component/Component.mpl b/languages/Component/Component.mpl
index 4ce15f0..7b03326 100644
--- a/languages/Component/Component.mpl
+++ b/languages/Component/Component.mpl
@@ -21,7 +21,7 @@
     <dependency reexport="false">4cc07462-84b3-4d01-8adb-629ddd3cebd4(Capabilities)</dependency>
   </dependencies>
   <languageVersions>
-    <language slang="l:f3061a53-9226-4cc5-a443-f952ceaf5816:jetbrains.mps.baseLanguage" version="9" />
+    <language slang="l:f3061a53-9226-4cc5-a443-f952ceaf5816:jetbrains.mps.baseLanguage" version="11" />
     <language slang="l:443f4c36-fcf5-4eb6-9500-8d06ed259e3e:jetbrains.mps.baseLanguage.classifiers" version="0" />
     <language slang="l:fd392034-7849-419d-9071-12563d152375:jetbrains.mps.baseLanguage.closures" version="0" />
     <language slang="l:83888646-71ce-4f1c-9c53-c54016f6ad4f:jetbrains.mps.baseLanguage.collections" version="1" />
@@ -42,12 +42,12 @@
     <language slang="l:ea3159bf-f48e-4720-bde2-86dba75f0d34:jetbrains.mps.lang.context.defs" version="0" />
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:f4ad079d-bc71-4ffb-9600-9328705cf998:jetbrains.mps.lang.descriptor" version="0" />
-    <language slang="l:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="13" />
+    <language slang="l:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="14" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
     <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
-    <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="4" />
+    <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
     <language slang="l:982eb8df-2c96-4bd7-9963-11712ea622e5:jetbrains.mps.lang.resources" version="2" />
     <language slang="l:b3551702-269c-4f05-ba61-58060cef4292:jetbrains.mps.lang.rulesAndMessages" version="0" />
     <language slang="l:d8f591ec-4d86-4af2-9f92-a9e93c803ffa:jetbrains.mps.lang.scopes" version="0" />
diff --git a/languages/Component/models/behavior.mps b/languages/Component/models/behavior.mps
index 8b38e75..749efa0 100644
--- a/languages/Component/models/behavior.mps
+++ b/languages/Component/models/behavior.mps
@@ -140,7 +140,7 @@
       </concept>
       <concept id="1082113931046" name="jetbrains.mps.baseLanguage.structure.ContinueStatement" flags="nn" index="3N13vt" />
       <concept id="6329021646629104954" name="jetbrains.mps.baseLanguage.structure.SingleLineComment" flags="nn" index="3SKdUt">
-        <child id="1350122676458893092" name="text" index="3ndbpf" />
+        <child id="8356039341262087992" name="line" index="1aUNEU" />
       </concept>
       <concept id="1146644602865" name="jetbrains.mps.baseLanguage.structure.PublicVisibility" flags="nn" index="3Tm1VV" />
       <concept id="1080120340718" name="jetbrains.mps.baseLanguage.structure.AndExpression" flags="nn" index="1Wc70l" />
@@ -257,10 +257,10 @@
       </concept>
     </language>
     <language id="c7fb639f-be78-4307-89b0-b5959c3fa8c8" name="jetbrains.mps.lang.text">
-      <concept id="155656958578482948" name="jetbrains.mps.lang.text.structure.Word" flags="ng" index="3oM_SD">
+      <concept id="155656958578482948" name="jetbrains.mps.lang.text.structure.Word" flags="nn" index="3oM_SD">
         <property id="155656958578482949" name="value" index="3oM_SC" />
       </concept>
-      <concept id="2535923850359271782" name="jetbrains.mps.lang.text.structure.Line" flags="ng" index="1PaTwC">
+      <concept id="2535923850359271782" name="jetbrains.mps.lang.text.structure.Line" flags="nn" index="1PaTwC">
         <child id="2535923850359271783" name="elements" index="1PaTwD" />
       </concept>
     </language>
@@ -1011,7 +1011,7 @@
                   </node>
                 </node>
                 <node concept="3SKdUt" id="5g8KHvCSIOa" role="3cqZAp">
-                  <node concept="1PaTwC" id="6U$LN6knWV5" role="3ndbpf">
+                  <node concept="1PaTwC" id="6U$LN6knWV5" role="1aUNEU">
                     <node concept="3oM_SD" id="6U$LN6knWV7" role="1PaTwD">
                       <property role="3oM_SC" value="try" />
                     </node>
@@ -1107,7 +1107,7 @@
           </node>
         </node>
         <node concept="3SKdUt" id="5g8KHvCSIPa" role="3cqZAp">
-          <node concept="1PaTwC" id="6U$LN6knWVe" role="3ndbpf">
+          <node concept="1PaTwC" id="6U$LN6knWVe" role="1aUNEU">
             <node concept="3oM_SD" id="6U$LN6knWVg" role="1PaTwD">
               <property role="3oM_SC" value="" />
             </node>
@@ -1204,7 +1204,7 @@
                       </node>
                     </node>
                     <node concept="3SKdUt" id="5g8KHvCSIPS" role="3cqZAp">
-                      <node concept="1PaTwC" id="6U$LN6knWVl" role="3ndbpf">
+                      <node concept="1PaTwC" id="6U$LN6knWVl" role="1aUNEU">
                         <node concept="3oM_SD" id="6U$LN6knWVn" role="1PaTwD">
                           <property role="3oM_SC" value="try" />
                         </node>
@@ -1347,7 +1347,7 @@
                   </node>
                 </node>
                 <node concept="3SKdUt" id="4LsNulDhzca" role="3cqZAp">
-                  <node concept="1PaTwC" id="6U$LN6knWVu" role="3ndbpf">
+                  <node concept="1PaTwC" id="6U$LN6knWVu" role="1aUNEU">
                     <node concept="3oM_SD" id="6U$LN6knWVw" role="1PaTwD">
                       <property role="3oM_SC" value="try" />
                     </node>
@@ -1416,7 +1416,7 @@
                 <node concept="3clFbJ" id="4LsNulDhL1Z" role="3cqZAp">
                   <node concept="3clFbS" id="4LsNulDhL21" role="3clFbx">
                     <node concept="3SKdUt" id="4LsNulDhL8w" role="3cqZAp">
-                      <node concept="1PaTwC" id="6U$LN6knWVB" role="3ndbpf">
+                      <node concept="1PaTwC" id="6U$LN6knWVB" role="1aUNEU">
                         <node concept="3oM_SD" id="6U$LN6knWVD" role="1PaTwD">
                           <property role="3oM_SC" value="target" />
                         </node>
@@ -1556,7 +1556,7 @@
           </node>
         </node>
         <node concept="3SKdUt" id="4LsNulDhLBv" role="3cqZAp">
-          <node concept="1PaTwC" id="6U$LN6knWVL" role="3ndbpf">
+          <node concept="1PaTwC" id="6U$LN6knWVL" role="1aUNEU">
             <node concept="3oM_SD" id="6U$LN6knWVN" role="1PaTwD">
               <property role="3oM_SC" value="" />
             </node>
@@ -1669,7 +1669,7 @@
                       </node>
                     </node>
                     <node concept="3SKdUt" id="4LsNulDhNDh" role="3cqZAp">
-                      <node concept="1PaTwC" id="6U$LN6knWVS" role="3ndbpf">
+                      <node concept="1PaTwC" id="6U$LN6knWVS" role="1aUNEU">
                         <node concept="3oM_SD" id="6U$LN6knWVU" role="1PaTwD">
                           <property role="3oM_SC" value="try" />
                         </node>
@@ -1728,7 +1728,7 @@
             <node concept="3clFbJ" id="4LsNulDhNDA" role="3cqZAp">
               <node concept="3clFbS" id="4LsNulDhNDB" role="3clFbx">
                 <node concept="3SKdUt" id="4LsNulDhNDC" role="3cqZAp">
-                  <node concept="1PaTwC" id="6U$LN6knWW1" role="3ndbpf">
+                  <node concept="1PaTwC" id="6U$LN6knWW1" role="1aUNEU">
                     <node concept="3oM_SD" id="6U$LN6knWW3" role="1PaTwD">
                       <property role="3oM_SC" value="target" />
                     </node>
@@ -1778,7 +1778,7 @@
         </node>
         <node concept="3clFbH" id="4LsNulDid8m" role="3cqZAp" />
         <node concept="3SKdUt" id="4LsNulDif0u" role="3cqZAp">
-          <node concept="1PaTwC" id="6U$LN6knWWb" role="3ndbpf">
+          <node concept="1PaTwC" id="6U$LN6knWWb" role="1aUNEU">
             <node concept="3oM_SD" id="6U$LN6knWWd" role="1PaTwD">
               <property role="3oM_SC" value="remove!" />
             </node>
@@ -2549,7 +2549,6 @@
       <ref role="13i0hy" to="tpcu:52_Geb4QDV$" resolve="getScope" />
       <node concept="3Tm1VV" id="344rOAFg7lD" role="1B3o_S" />
       <node concept="3clFbS" id="344rOAFg7lM" role="3clF47">
-        <node concept="3clFbH" id="6vrrBYhhsYX" role="3cqZAp" />
         <node concept="3clFbJ" id="344rOAFgh6X" role="3cqZAp">
           <node concept="3clFbS" id="344rOAFgh6Z" role="3clFbx">
             <node concept="3cpWs8" id="344rOAF7CAd" role="3cqZAp">
@@ -2608,7 +2607,6 @@
                 </node>
               </node>
             </node>
-            <node concept="3clFbH" id="344rOAF7grn" role="3cqZAp" />
             <node concept="3cpWs8" id="344rOAFhFxx" role="3cqZAp">
               <node concept="3cpWsn" id="344rOAFhFxv" role="3cpWs9">
                 <property role="3TUv4t" value="true" />
@@ -2700,6 +2698,9 @@
                                             </node>
                                           </node>
                                         </node>
+                                        <node concept="2AHcQZ" id="7xTfi9I$bVA" role="2AJF6D">
+                                          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+                                        </node>
                                       </node>
                                       <node concept="1PxgMI" id="344rOAF7grU" role="37wK5m">
                                         <node concept="2GrUjf" id="344rOAF7grV" role="1m5AlR">
@@ -2820,7 +2821,6 @@
                         </node>
                       </node>
                     </node>
-                    <node concept="3clFbH" id="1WZFxKpVW2o" role="3cqZAp" />
                     <node concept="3clFbF" id="1WZFxKpVWzx" role="3cqZAp">
                       <node concept="2OqwBi" id="1WZFxKpVWzz" role="3clFbG">
                         <node concept="37vLTw" id="1WZFxKpVWz$" role="2Oq$k0">
@@ -2892,6 +2892,9 @@
                                             </node>
                                           </node>
                                         </node>
+                                        <node concept="2AHcQZ" id="7xTfi9I$cok" role="2AJF6D">
+                                          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+                                        </node>
                                       </node>
                                       <node concept="1PxgMI" id="1WZFxKpVW$3" role="37wK5m">
                                         <node concept="2GrUjf" id="1WZFxKpVW$4" role="1m5AlR">
@@ -3061,7 +3064,7 @@
                                     </node>
                                     <node concept="3clFbS" id="344rOAF7gsm" role="3clF47">
                                       <node concept="3SKdUt" id="344rOAFims9" role="3cqZAp">
-                                        <node concept="1PaTwC" id="6U$LN6knWWe" role="3ndbpf">
+                                        <node concept="1PaTwC" id="6U$LN6knWWe" role="1aUNEU">
                                           <node concept="3oM_SD" id="6U$LN6knWWg" role="1PaTwD">
                                             <property role="3oM_SC" value="TODO" />
                                           </node>
@@ -3129,6 +3132,9 @@
                                         </node>
                                       </node>
                                     </node>
+                                    <node concept="2AHcQZ" id="7xTfi9I$cG7" role="2AJF6D">
+                                      <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+                                    </node>
                                   </node>
                                   <node concept="1PxgMI" id="344rOAF7gs_" role="37wK5m">
                                     <node concept="2GrUjf" id="344rOAF7gsA" role="1m5AlR">
@@ -3178,7 +3184,6 @@
             </node>
           </node>
         </node>
-        <node concept="3clFbH" id="6Aq_gTyp4Kt" role="3cqZAp" />
         <node concept="3cpWs6" id="344rOAFgLYc" role="3cqZAp">
           <node concept="iy90A" id="344rOAFgOvn" role="3cqZAk" />
         </node>
diff --git a/languages/Component/models/constraints.mps b/languages/Component/models/constraints.mps
index 8542898..8eef6be 100644
--- a/languages/Component/models/constraints.mps
+++ b/languages/Component/models/constraints.mps
@@ -2,6 +2,7 @@
 <model ref="r:08fdc263-d8e2-431c-8fd1-bbf0fb653686(Component.constraints)">
   <persistence version="9" />
   <languages>
+    <use id="3f4bc5f5-c6c1-4a28-8b10-c83066ffa4a1" name="jetbrains.mps.lang.constraints" version="6" />
     <devkit ref="00000000-0000-4000-0000-5604ebd4f22c(jetbrains.mps.devkit.aspect.constraints)" />
   </languages>
   <imports>
@@ -348,9 +349,6 @@
       </node>
     </node>
   </node>
-  <node concept="1M2fIO" id="4lyQvwNTnWv">
-    <ref role="1M2myG" to="l1zz:1u89nBaZcNr" resolve="System" />
-  </node>
   <node concept="1M2fIO" id="kJuU8rAM0Y">
     <property role="3GE5qa" value="Instances" />
     <ref role="1M2myG" to="l1zz:5g8KHvCW0FH" resolve="ComponentInst" />
@@ -460,21 +458,6 @@
       </node>
     </node>
   </node>
-  <node concept="1M2fIO" id="344rOAF7g59">
-    <ref role="1M2myG" to="l1zz:1u89nBaZcNs" resolve="Connection" />
-    <node concept="1N5Pfh" id="344rOAF7gaQ" role="1Mr941">
-      <ref role="1N5Vy1" to="l1zz:1u89nBaZezs" resolve="source" />
-      <node concept="1dDu$B" id="344rOAFgR0f" role="1N6uqs">
-        <ref role="1dDu$A" to="l1zz:1u89nBaZcN_" resolve="OutputPort" />
-      </node>
-    </node>
-    <node concept="1N5Pfh" id="344rOAF7Ys8" role="1Mr941">
-      <ref role="1N5Vy1" to="l1zz:1u89nBaZezp" resolve="target" />
-      <node concept="1dDu$B" id="344rOAFinym" role="1N6uqs">
-        <ref role="1dDu$A" to="l1zz:1u89nBaZcNt" resolve="InputPort" />
-      </node>
-    </node>
-  </node>
   <node concept="1M2fIO" id="6rijOoKyotn">
     <property role="3GE5qa" value="Annotations.Comment" />
     <ref role="1M2myG" to="l1zz:6rijOoKun7_" resolve="SingleLineComment" />
@@ -548,5 +531,25 @@
       </node>
     </node>
   </node>
+  <node concept="1M2fIO" id="64jCRrVjZGi">
+    <property role="3GE5qa" value="References" />
+    <ref role="1M2myG" to="l1zz:64jCRrVjJGi" resolve="SourceRef" />
+    <node concept="1N5Pfh" id="64jCRrVjZGj" role="1Mr941">
+      <ref role="1N5Vy1" to="l1zz:7xTfi9IJNIV" resolve="ref" />
+      <node concept="1dDu$B" id="64jCRrVjZIK" role="1N6uqs">
+        <ref role="1dDu$A" to="l1zz:1u89nBaZcN_" resolve="OutputPort" />
+      </node>
+    </node>
+  </node>
+  <node concept="1M2fIO" id="64jCRrVjZUU">
+    <property role="3GE5qa" value="References" />
+    <ref role="1M2myG" to="l1zz:64jCRrVjJGl" resolve="TargetRef" />
+    <node concept="1N5Pfh" id="64jCRrVjZUV" role="1Mr941">
+      <ref role="1N5Vy1" to="l1zz:7xTfi9IJNIX" resolve="ref" />
+      <node concept="1dDu$B" id="64jCRrVjZUZ" role="1N6uqs">
+        <ref role="1dDu$A" to="l1zz:1u89nBaZcNt" resolve="InputPort" />
+      </node>
+    </node>
+  </node>
 </model>
 
diff --git a/languages/Component/models/editor.mps b/languages/Component/models/editor.mps
index b08fb23..4b8bb37 100644
--- a/languages/Component/models/editor.mps
+++ b/languages/Component/models/editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:fa46c9d2-c8a8-4b40-8b2b-52e7b59130d0(Component.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="13" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports>
@@ -10,13 +10,17 @@
     <import index="tpck" ref="r:00000000-0000-4000-0000-011c89590288(jetbrains.mps.lang.core.structure)" implicit="true" />
     <import index="tpco" ref="r:00000000-0000-4000-0000-011c89590284(jetbrains.mps.lang.core.editor)" implicit="true" />
     <import index="tpen" ref="r:00000000-0000-4000-0000-011c895902c3(jetbrains.mps.baseLanguage.editor)" implicit="true" />
+    <import index="tpcu" ref="r:00000000-0000-4000-0000-011c89590282(jetbrains.mps.lang.core.behavior)" implicit="true" />
     <import index="33ny" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util(JDK/)" implicit="true" />
   </imports>
   <registry>
     <language id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor">
+      <concept id="5991739802479784074" name="jetbrains.mps.lang.editor.structure.MenuTypeNamed" flags="ng" index="22hDWg" />
+      <concept id="5991739802479784073" name="jetbrains.mps.lang.editor.structure.MenuTypeDefault" flags="ng" index="22hDWj" />
       <concept id="2000375450116454183" name="jetbrains.mps.lang.editor.structure.ISubstituteMenu" flags="ng" index="22mbnS">
         <child id="414384289274416996" name="parts" index="3ft7WO" />
       </concept>
+      <concept id="2000375450116423800" name="jetbrains.mps.lang.editor.structure.SubstituteMenu" flags="ng" index="22mcaB" />
       <concept id="1071666914219" name="jetbrains.mps.lang.editor.structure.ConceptEditorDeclaration" flags="ig" index="24kQdi">
         <child id="1078153129734" name="inspectedCellModel" index="6VMZX" />
       </concept>
@@ -50,7 +54,6 @@
       <concept id="1078939183254" name="jetbrains.mps.lang.editor.structure.CellModel_Component" flags="sg" stub="3162947552742194261" index="PMmxH">
         <reference id="1078939183255" name="editorComponent" index="PMmxG" />
       </concept>
-      <concept id="3738029991950788349" name="jetbrains.mps.lang.editor.structure.SubstituteMenu_Named" flags="ng" index="Q6S24" />
       <concept id="1149850725784" name="jetbrains.mps.lang.editor.structure.CellModel_AttributedNodeCell" flags="ng" index="2SsqMj" />
       <concept id="1186403694788" name="jetbrains.mps.lang.editor.structure.ColorStyleClassItem" flags="ln" index="VaVBg">
         <property id="1186403713874" name="color" index="Vb096" />
@@ -76,6 +79,7 @@
       </concept>
       <concept id="1630016958697344083" name="jetbrains.mps.lang.editor.structure.IMenu_Concept" flags="ng" index="2ZABuq">
         <reference id="6591946374543067572" name="conceptDeclaration" index="aqKnT" />
+        <child id="5991739802479788259" name="type" index="22hAXT" />
       </concept>
       <concept id="1233758997495" name="jetbrains.mps.lang.editor.structure.PunctuationLeftStyleClassItem" flags="ln" index="11L4FC" />
       <concept id="1233759184865" name="jetbrains.mps.lang.editor.structure.PunctuationRightStyleClassItem" flags="ln" index="11LMrY" />
@@ -93,12 +97,15 @@
       <concept id="1236262245656" name="jetbrains.mps.lang.editor.structure.MatchingLabelStyleClassItem" flags="ln" index="3mYdg7">
         <property id="1238091709220" name="labelName" index="1413C4" />
       </concept>
-      <concept id="3308396621974580100" name="jetbrains.mps.lang.editor.structure.SubstituteMenu_Default" flags="ng" index="3p36aQ" />
       <concept id="730181322658904464" name="jetbrains.mps.lang.editor.structure.SubstituteMenuPart_IncludeMenu" flags="ng" index="1s_PAr">
         <child id="730181322658904467" name="menuReference" index="1s_PAo" />
       </concept>
       <concept id="1088185857835" name="jetbrains.mps.lang.editor.structure.InlineEditorComponent" flags="ig" index="1sVBvm" />
       <concept id="1219226236603" name="jetbrains.mps.lang.editor.structure.DrawBracketsStyleClassItem" flags="ln" index="3vyZuw" />
+      <concept id="1215007762405" name="jetbrains.mps.lang.editor.structure.FloatStyleClassItem" flags="ln" index="3$6MrZ">
+        <property id="1215007802031" name="value" index="3$6WeP" />
+      </concept>
+      <concept id="1215007897487" name="jetbrains.mps.lang.editor.structure.PaddingRightStyleClassItem" flags="ln" index="3$7jql" />
       <concept id="1139848536355" name="jetbrains.mps.lang.editor.structure.CellModel_WithRole" flags="ng" index="1$h60E">
         <property id="1214560368769" name="emptyNoTargetText" index="39s7Ar" />
         <property id="1139852716018" name="noTargetText" index="1$x2rV" />
@@ -253,7 +260,7 @@
         <child id="1144231408325" name="iteration" index="1Dwrff" />
       </concept>
       <concept id="6329021646629104954" name="jetbrains.mps.baseLanguage.structure.SingleLineComment" flags="nn" index="3SKdUt">
-        <child id="1350122676458893092" name="text" index="3ndbpf" />
+        <child id="8356039341262087992" name="line" index="1aUNEU" />
       </concept>
       <concept id="1080120340718" name="jetbrains.mps.baseLanguage.structure.AndExpression" flags="nn" index="1Wc70l" />
     </language>
@@ -267,6 +274,7 @@
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         <reference id="1177026940964" name="conceptDeclaration" index="cht4Q" />
       </concept>
+      <concept id="1179409122411" name="jetbrains.mps.lang.smodel.structure.Node_ConceptMethodCall" flags="nn" index="2qgKlT" />
       <concept id="1173122760281" name="jetbrains.mps.lang.smodel.structure.Node_GetAncestorsOperation" flags="nn" index="z$bX8" />
       <concept id="2396822768958367367" name="jetbrains.mps.lang.smodel.structure.AbstractTypeCastExpression" flags="nn" index="$5XWr">
         <child id="6733348108486823193" name="leftExpression" index="1m5AlR" />
@@ -314,15 +322,19 @@
       </concept>
     </language>
     <language id="c7fb639f-be78-4307-89b0-b5959c3fa8c8" name="jetbrains.mps.lang.text">
-      <concept id="155656958578482948" name="jetbrains.mps.lang.text.structure.Word" flags="ng" index="3oM_SD">
+      <concept id="155656958578482948" name="jetbrains.mps.lang.text.structure.Word" flags="nn" index="3oM_SD">
         <property id="155656958578482949" name="value" index="3oM_SC" />
       </concept>
-      <concept id="2535923850359271782" name="jetbrains.mps.lang.text.structure.Line" flags="ng" index="1PaTwC">
+      <concept id="2535923850359271782" name="jetbrains.mps.lang.text.structure.Line" flags="nn" index="1PaTwC">
         <child id="2535923850359271783" name="elements" index="1PaTwD" />
       </concept>
     </language>
     <language id="83888646-71ce-4f1c-9c53-c54016f6ad4f" name="jetbrains.mps.baseLanguage.collections">
       <concept id="1162935959151" name="jetbrains.mps.baseLanguage.collections.structure.GetSizeOperation" flags="nn" index="34oBXx" />
+      <concept id="1225711141656" name="jetbrains.mps.baseLanguage.collections.structure.ListElementAccessExpression" flags="nn" index="1y4W85">
+        <child id="1225711182005" name="list" index="1y566C" />
+        <child id="1225711191269" name="index" index="1y58nS" />
+      </concept>
       <concept id="1176501494711" name="jetbrains.mps.baseLanguage.collections.structure.IsNotEmptyOperation" flags="nn" index="3GX2aA" />
     </language>
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@@ -662,542 +674,76 @@
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+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                    <node concept="2OqwBi" id="344rOAFaHmE" role="3clFbw">
+                      <node concept="2OqwBi" id="344rOAFaHmF" role="2Oq$k0">
+                        <node concept="1NM5Ph" id="344rOAFaHnq" role="2Oq$k0" />
+                        <node concept="1mfA1w" id="344rOAFaHmH" role="2OqNvi" />
+                      </node>
+                      <node concept="1mIQ4w" id="344rOAFaHmI" role="2OqNvi">
                         <node concept="chp4Y" id="344rOAFaHmJ" role="cj9EA">
                           <ref role="cht4Q" to="l1zz:5g8KHvCW0FH" resolve="ComponentInst" />
                         </node>
@@ -1712,7 +1575,7 @@
                 </node>
               </node>
               <node concept="3SKdUt" id="344rOAFaHnd" role="3cqZAp">
-                <node concept="1PaTwC" id="6U$LN6klTWB" role="3ndbpf">
+                <node concept="1PaTwC" id="6U$LN6klTWB" role="1aUNEU">
                   <node concept="3oM_SD" id="6U$LN6klTWD" role="1PaTwD">
                     <property role="3oM_SC" value="TODO" />
                   </node>
@@ -2029,204 +1892,33 @@
       <node concept="l2Vlx" id="2YyrWNKVC68" role="2iSdaV" />
     </node>
   </node>
-  <node concept="3p36aQ" id="344rOAFaHl4">
-    <property role="3GE5qa" value="References" />
-    <ref role="aqKnT" to="l1zz:4QWlgMFizOO" resolve="SmartRef_IPortRef" />
-    <node concept="1s_PAr" id="344rOAFaHl5" role="3ft7WO">
-      <node concept="2kknPI" id="344rOAFaHl6" role="1s_PAo">
-        <ref role="2kkw0f" node="344rOAFaHl2" resolve="SmartRef_IPortRef_SmartReference" />
-      </node>
-    </node>
-    <node concept="2VfDsV" id="344rOAFaHl7" role="3ft7WO" />
-  </node>
-  <node concept="Q6S24" id="344rOAFaHl2">
-    <property role="TrG5h" value="SmartRef_IPortRef_SmartReference" />
-    <property role="3GE5qa" value="References" />
-    <ref role="aqKnT" to="l1zz:4QWlgMFizOO" resolve="SmartRef_IPortRef" />
-    <node concept="3XHNnq" id="344rOAFaHl0" role="3ft7WO">
-      <ref role="3XGfJA" to="l1zz:4QWlgMFizOP" resolve="smartref" />
-      <node concept="1WAQ3h" id="344rOAFaHl1" role="1WZ6D9">
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-              <node concept="3clFbJ" id="344rOAFaHjS" role="3cqZAp">
-                <node concept="3clFbS" id="344rOAFaHjT" role="3clFbx">
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-                          <node concept="3TrEf2" id="344rOAFaHjZ" role="2OqNvi">
-                            <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
-                          </node>
-                        </node>
-                        <node concept="3TrcHB" id="344rOAFaHk0" role="2OqNvi">
-                          <ref role="3TsBF5" to="tpck:h0TrG11" resolve="name" />
-                        </node>
-                      </node>
-                      <node concept="3cpWs3" id="344rOAFaHk1" role="3uHU7B">
-                        <node concept="2OqwBi" id="344rOAFaHk2" role="3uHU7B">
-                          <node concept="1PxgMI" id="344rOAFaHk3" role="2Oq$k0">
-                            <node concept="2OqwBi" id="344rOAFaHk4" role="1m5AlR">
-                              <node concept="1WAUZh" id="344rOAFaHkT" role="2Oq$k0" />
-                              <node concept="1mfA1w" id="344rOAFaHk6" role="2OqNvi" />
-                            </node>
-                            <node concept="chp4Y" id="344rOAFaHk7" role="3oSUPX">
-                              <ref role="cht4Q" to="l1zz:5g8KHvCW0FH" resolve="ComponentInst" />
-                            </node>
-                          </node>
-                          <node concept="3TrcHB" id="344rOAFaHk8" role="2OqNvi">
-                            <ref role="3TsBF5" to="tpck:h0TrG11" resolve="name" />
-                          </node>
-                        </node>
-                        <node concept="Xl_RD" id="344rOAFaHk9" role="3uHU7w">
-                          <property role="Xl_RC" value="." />
-                        </node>
-                      </node>
-                    </node>
-                  </node>
-                </node>
-                <node concept="2OqwBi" id="344rOAFaHka" role="3clFbw">
-                  <node concept="2OqwBi" id="344rOAFaHkb" role="2Oq$k0">
-                    <node concept="1WAUZh" id="344rOAFaHkU" role="2Oq$k0" />
-                    <node concept="1mfA1w" id="344rOAFaHkd" role="2OqNvi" />
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-                  <node concept="1mIQ4w" id="344rOAFaHke" role="2OqNvi">
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-                </node>
-                <node concept="3eNFk2" id="344rOAFaHkg" role="3eNLev">
-                  <node concept="2OqwBi" id="344rOAFaHkh" role="3eO9$A">
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-                      <node concept="chp4Y" id="344rOAFaHkm" role="cj9EA">
-                        <ref role="cht4Q" to="l1zz:5g8KHvCW0FN" resolve="CompositeInst" />
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-                            <node concept="1WAUZh" id="344rOAFaHkW" role="2Oq$k0" />
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-                              <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
-                            </node>
-                          </node>
-                          <node concept="3TrcHB" id="344rOAFaHku" role="2OqNvi">
-                            <ref role="3TsBF5" to="tpck:h0TrG11" resolve="name" />
-                          </node>
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-                        <node concept="3cpWs3" id="344rOAFaHkv" role="3uHU7B">
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-                                <node concept="1mfA1w" id="344rOAFaHk$" role="2OqNvi" />
-                              </node>
-                              <node concept="chp4Y" id="344rOAFaHk_" role="3oSUPX">
-                                <ref role="cht4Q" to="l1zz:5g8KHvCW0FN" resolve="CompositeInst" />
-                              </node>
-                            </node>
-                            <node concept="3TrcHB" id="344rOAFaHkA" role="2OqNvi">
-                              <ref role="3TsBF5" to="tpck:h0TrG11" resolve="name" />
-                            </node>
-                          </node>
-                          <node concept="Xl_RD" id="344rOAFaHkB" role="3uHU7w">
-                            <property role="Xl_RC" value="." />
-                          </node>
-                        </node>
-                      </node>
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-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="2OqwBi" id="344rOAFaHkC" role="3clFbw">
-              <node concept="2OqwBi" id="344rOAFaHkD" role="2Oq$k0">
-                <node concept="1WAUZh" id="344rOAFaHkY" role="2Oq$k0" />
-                <node concept="1mfA1w" id="344rOAFaHkF" role="2OqNvi" />
-              </node>
-              <node concept="3x8VRR" id="344rOAFaHkG" role="2OqNvi" />
-            </node>
-          </node>
-          <node concept="3SKdUt" id="344rOAFaHkH" role="3cqZAp">
-            <node concept="1PaTwC" id="6U$LN6klU4V" role="3ndbpf">
-              <node concept="3oM_SD" id="6U$LN6klU4X" role="1PaTwD">
-                <property role="3oM_SC" value="TODO" />
-              </node>
-              <node concept="3oM_SD" id="6U$LN6klU4Y" role="1PaTwD">
-                <property role="3oM_SC" value="if" />
-              </node>
-              <node concept="3oM_SD" id="6U$LN6klU4Z" role="1PaTwD">
-                <property role="3oM_SC" value="can" />
-              </node>
-              <node concept="3oM_SD" id="6U$LN6klU50" role="1PaTwD">
-                <property role="3oM_SC" value="be" />
-              </node>
-              <node concept="3oM_SD" id="6U$LN6klU51" role="1PaTwD">
-                <property role="3oM_SC" value="removed!!!" />
-              </node>
-            </node>
-          </node>
-          <node concept="3clFbH" id="344rOAFaHkJ" role="3cqZAp" />
-          <node concept="2xdQw9" id="6U$LN6kjm4S" role="3cqZAp">
-            <property role="2xdLsb" value="gZ5fksE/warn" />
-            <node concept="Xl_RD" id="6U$LN6kjmzQ" role="9lYJi">
-              <property role="Xl_RC" value="Parent seems to be null???" />
-            </node>
-          </node>
-          <node concept="3cpWs6" id="344rOAFaHkM" role="3cqZAp">
-            <node concept="2OqwBi" id="344rOAFaHkN" role="3cqZAk">
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-                <node concept="1WAUZh" id="344rOAFaHkZ" role="2Oq$k0" />
-                <node concept="3TrEf2" id="344rOAFaHkQ" role="2OqNvi">
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-                </node>
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-              <node concept="3TrcHB" id="344rOAFaHkR" role="2OqNvi">
-                <ref role="3TsBF5" to="tpck:h0TrG11" resolve="name" />
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-    <node concept="382kZG" id="344rOAFaHl3" role="lGtFl" />
-  </node>
-  <node concept="24kQdi" id="7tg6lh6UxE$">
-    <ref role="1XX52x" to="l1zz:7tg6lh6UxbU" resolve="PositionPersistanceList" />
-    <node concept="1QoScp" id="OoFFXhbAf4" role="2wV5jI">
-      <property role="1QpmdY" value="true" />
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-        <node concept="3clFbS" id="OoFFXhbAf6" role="2VODD2">
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-            <node concept="3clFbT" id="OoFFXhbAo_" role="3cqZAk">
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-        <node concept="3F0ifn" id="7tg6lh6UxJ4" role="3EZMnx">
-          <property role="3F0ifm" value="[" />
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-          <ref role="1NtTu8" to="l1zz:7tg6lh6Uxzz" resolve="coordinates" />
-          <node concept="l2Vlx" id="7tg6lh6UxKP" role="2czzBx" />
-        </node>
-        <node concept="3F0ifn" id="7tg6lh6UxLQ" role="3EZMnx">
-          <property role="3F0ifm" value="]" />
-        </node>
-        <node concept="l2Vlx" id="7tg6lh6UxIm" role="2iSdaV" />
+  <node concept="24kQdi" id="7tg6lh6UxE$">
+    <ref role="1XX52x" to="l1zz:7tg6lh6UxbU" resolve="PositionPersistanceList" />
+    <node concept="1QoScp" id="OoFFXhbAf4" role="2wV5jI">
+      <property role="1QpmdY" value="true" />
+      <node concept="pkWqt" id="OoFFXhbAf5" role="3e4ffs">
+        <node concept="3clFbS" id="OoFFXhbAf6" role="2VODD2">
+          <node concept="3cpWs6" id="OoFFXhbAo9" role="3cqZAp">
+            <node concept="3clFbT" id="OoFFXhbAo_" role="3cqZAk">
+              <property role="3clFbU" value="false" />
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="2SsqMj" id="OoFFXhbAnT" role="1QoVPY" />
+      <node concept="3EZMnI" id="7tg6lh6UxIj" role="1QoS34">
+        <node concept="2SsqMj" id="7tg6lh6UxIG" role="3EZMnx" />
+        <node concept="3F0ifn" id="7tg6lh6UxJ4" role="3EZMnx">
+          <property role="3F0ifm" value="[" />
+        </node>
+        <node concept="3F2HdR" id="7tg6lh6UxKN" role="3EZMnx">
+          <ref role="1NtTu8" to="l1zz:7tg6lh6Uxzz" resolve="coordinates" />
+          <node concept="l2Vlx" id="7tg6lh6UxKP" role="2czzBx" />
+        </node>
+        <node concept="3F0ifn" id="7tg6lh6UxLQ" role="3EZMnx">
+          <property role="3F0ifm" value="]" />
+        </node>
+        <node concept="l2Vlx" id="7tg6lh6UxIm" role="2iSdaV" />
       </node>
     </node>
   </node>
@@ -2983,5 +2675,1274 @@
       </node>
     </node>
   </node>
+  <node concept="24kQdi" id="64jCRrVjJGv">
+    <property role="3GE5qa" value="References" />
+    <ref role="1XX52x" to="l1zz:64jCRrVjJGi" resolve="SourceRef" />
+    <node concept="1iCGBv" id="64jCRrVjJMS" role="2wV5jI">
+      <ref role="1NtTu8" to="l1zz:7xTfi9IJNIV" resolve="ref" />
+      <node concept="1sVBvm" id="64jCRrVjJMU" role="1sWHZn">
+        <node concept="3SHvHV" id="64jCRrVjJN5" role="2wV5jI">
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+            <node concept="3clFbS" id="64jCRrVjMdU" role="2VODD2">
+              <node concept="3cpWs8" id="64jCRrVjMit" role="3cqZAp">
+                <node concept="3cpWsn" id="64jCRrVjMiu" role="3cpWs9">
+                  <property role="TrG5h" value="ancestors" />
+                  <node concept="2I9FWS" id="64jCRrVjMiv" role="1tU5fm">
+                    <ref role="2I9WkF" to="tpck:gw2VY9q" resolve="BaseConcept" />
+                  </node>
+                  <node concept="2OqwBi" id="64jCRrVjMiw" role="33vP2m">
+                    <node concept="1NM5Ph" id="64jCRrVjMix" role="2Oq$k0" />
+                    <node concept="z$bX8" id="64jCRrVjMiy" role="2OqNvi" />
+                  </node>
+                </node>
+              </node>
+              <node concept="3cpWs8" id="64jCRrVjMiz" role="3cqZAp">
+                <node concept="3cpWsn" id="64jCRrVjMi$" role="3cpWs9">
+                  <property role="TrG5h" value="path" />
+                  <node concept="17QB3L" id="64jCRrVjMi_" role="1tU5fm" />
+                  <node concept="2OqwBi" id="6N5zjilAOlV" role="33vP2m">
+                    <node concept="2OqwBi" id="7xTfi9ILxaS" role="2Oq$k0">
+                      <node concept="1NM5Ph" id="64jCRrVjMiC" role="2Oq$k0" />
+                      <node concept="3TrEf2" id="7xTfi9ILxNy" role="2OqNvi">
+                        <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
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+                    </node>
+                    <node concept="3TrcHB" id="7xTfi9ILyxA" role="2OqNvi">
+                      <ref role="3TsBF5" to="tpck:h0TrG11" resolve="name" />
+                    </node>
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+                </node>
+              </node>
+              <node concept="1Dw8fO" id="64jCRrVjMiF" role="3cqZAp">
+                <node concept="3clFbS" id="64jCRrVjMiG" role="2LFqv$">
+                  <node concept="3cpWs8" id="64jCRrVjMiH" role="3cqZAp">
+                    <node concept="3cpWsn" id="64jCRrVjMiI" role="3cpWs9">
+                      <property role="TrG5h" value="candidate" />
+                      <node concept="3Tqbb2" id="64jCRrVjMiJ" role="1tU5fm">
+                        <ref role="ehGHo" to="tpck:gw2VY9q" resolve="BaseConcept" />
+                      </node>
+                      <node concept="2OqwBi" id="64jCRrVjMiK" role="33vP2m">
+                        <node concept="37vLTw" id="64jCRrVjMiL" role="2Oq$k0">
+                          <ref role="3cqZAo" node="64jCRrVjMiu" resolve="ancestors" />
+                        </node>
+                        <node concept="liA8E" id="64jCRrVjMiM" role="2OqNvi">
+                          <ref role="37wK5l" to="33ny:~List.get(int)" resolve="get" />
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+                            <ref role="3cqZAo" node="64jCRrVjMjk" resolve="i" />
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+                          <ref role="3cqZAo" node="64jCRrVjMiI" resolve="candidate" />
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+                        <node concept="1mIQ4w" id="64jCRrVjMiV" role="2OqNvi">
+                          <node concept="chp4Y" id="64jCRrVjMiW" role="cj9EA">
+                            <ref role="cht4Q" to="l1zz:5S9zKKpPwQd" resolve="Composite" />
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+                      <node concept="2OqwBi" id="64jCRrVjMiX" role="3uHU7B">
+                        <node concept="37vLTw" id="64jCRrVjMiY" role="2Oq$k0">
+                          <ref role="3cqZAo" node="64jCRrVjMiI" resolve="candidate" />
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+                        <node concept="1mIQ4w" id="64jCRrVjMiZ" role="2OqNvi">
+                          <node concept="chp4Y" id="64jCRrVjMj0" role="cj9EA">
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+                          <node concept="3TrcHB" id="344rOAFaHku" role="2OqNvi">
+                            <ref role="3TsBF5" to="tpck:h0TrG11" resolve="name" />
+                          </node>
+                        </node>
+                        <node concept="3cpWs3" id="344rOAFaHkv" role="3uHU7B">
+                          <node concept="2OqwBi" id="344rOAFaHkw" role="3uHU7B">
+                            <node concept="1PxgMI" id="344rOAFaHkx" role="2Oq$k0">
+                              <node concept="2OqwBi" id="344rOAFaHky" role="1m5AlR">
+                                <node concept="1WAUZh" id="344rOAFaHkX" role="2Oq$k0" />
+                                <node concept="1mfA1w" id="344rOAFaHk$" role="2OqNvi" />
+                              </node>
+                              <node concept="chp4Y" id="344rOAFaHk_" role="3oSUPX">
+                                <ref role="cht4Q" to="l1zz:5g8KHvCW0FN" resolve="CompositeInst" />
+                              </node>
+                            </node>
+                            <node concept="3TrcHB" id="344rOAFaHkA" role="2OqNvi">
+                              <ref role="3TsBF5" to="tpck:h0TrG11" resolve="name" />
+                            </node>
+                          </node>
+                          <node concept="Xl_RD" id="344rOAFaHkB" role="3uHU7w">
+                            <property role="Xl_RC" value="." />
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="2OqwBi" id="344rOAFaHkC" role="3clFbw">
+              <node concept="2OqwBi" id="344rOAFaHkD" role="2Oq$k0">
+                <node concept="1WAUZh" id="344rOAFaHkY" role="2Oq$k0" />
+                <node concept="1mfA1w" id="344rOAFaHkF" role="2OqNvi" />
+              </node>
+              <node concept="3x8VRR" id="344rOAFaHkG" role="2OqNvi" />
+            </node>
+          </node>
+          <node concept="3SKdUt" id="344rOAFaHkH" role="3cqZAp">
+            <node concept="1PaTwC" id="6U$LN6klU4V" role="1aUNEU">
+              <node concept="3oM_SD" id="6U$LN6klU4X" role="1PaTwD">
+                <property role="3oM_SC" value="TODO" />
+              </node>
+              <node concept="3oM_SD" id="6U$LN6klU4Y" role="1PaTwD">
+                <property role="3oM_SC" value="if" />
+              </node>
+              <node concept="3oM_SD" id="6U$LN6klU4Z" role="1PaTwD">
+                <property role="3oM_SC" value="can" />
+              </node>
+              <node concept="3oM_SD" id="6U$LN6klU50" role="1PaTwD">
+                <property role="3oM_SC" value="be" />
+              </node>
+              <node concept="3oM_SD" id="6U$LN6klU51" role="1PaTwD">
+                <property role="3oM_SC" value="removed!!!" />
+              </node>
+            </node>
+          </node>
+          <node concept="3clFbH" id="344rOAFaHkJ" role="3cqZAp" />
+          <node concept="2xdQw9" id="6U$LN6kjm4S" role="3cqZAp">
+            <property role="2xdLsb" value="gZ5fksE/warn" />
+            <node concept="Xl_RD" id="6U$LN6kjmzQ" role="9lYJi">
+              <property role="Xl_RC" value="Parent seems to be null???" />
+            </node>
+          </node>
+          <node concept="3cpWs6" id="344rOAFaHkM" role="3cqZAp">
+            <node concept="2OqwBi" id="344rOAFaHkN" role="3cqZAk">
+              <node concept="2OqwBi" id="344rOAFaHkO" role="2Oq$k0">
+                <node concept="1WAUZh" id="344rOAFaHkZ" role="2Oq$k0" />
+                <node concept="3TrEf2" id="344rOAFaHkQ" role="2OqNvi">
+                  <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
+                </node>
+              </node>
+              <node concept="3TrcHB" id="344rOAFaHkR" role="2OqNvi">
+                <ref role="3TsBF5" to="tpck:h0TrG11" resolve="name" />
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="382kZG" id="344rOAFaHl3" role="lGtFl" />
+  </node>
+  <node concept="22mcaB" id="344rOAFaHl4">
+    <ref role="aqKnT" to="l1zz:4QWlgMFizOO" resolve="SmartRef_IPortRef" />
+    <node concept="22hDWj" id="1ZGA$uQegti" role="22hAXT" />
+    <node concept="1s_PAr" id="344rOAFaHl5" role="3ft7WO">
+      <node concept="2kknPI" id="344rOAFaHl6" role="1s_PAo">
+        <ref role="2kkw0f" node="344rOAFaHl2" resolve="SmartRef_IPortRef_SmartReference" />
+      </node>
+    </node>
+    <node concept="2VfDsV" id="344rOAFaHl7" role="3ft7WO" />
+  </node>
 </model>
 
diff --git a/languages/Component/models/intentions.mps b/languages/Component/models/intentions.mps
index 0f8a323..99384da 100644
--- a/languages/Component/models/intentions.mps
+++ b/languages/Component/models/intentions.mps
@@ -136,6 +136,9 @@
         <reference id="5455284157993910961" name="concept" index="2pJxaS" />
         <child id="5455284157993911099" name="values" index="2pJxcM" />
       </concept>
+      <concept id="6985522012210254362" name="jetbrains.mps.lang.quotation.structure.NodeBuilderPropertyExpression" flags="nn" index="WxPPo">
+        <child id="6985522012210254363" name="expression" index="WxPPp" />
+      </concept>
       <concept id="8182547171709752110" name="jetbrains.mps.lang.quotation.structure.NodeBuilderExpression" flags="nn" index="36biLy">
         <child id="8182547171709752112" name="expression" index="36biLW" />
       </concept>
@@ -602,8 +605,10 @@
                     <ref role="2pJxaS" to="l1zz:7JjE9FnaOR4" resolve="InterfaceGroup" />
                     <node concept="2pJxcG" id="7JjE9Fnb1Mu" role="2pJxcM">
                       <ref role="2pJxcJ" to="l1zz:7JjE9FnaOS9" resolve="interfaceName" />
-                      <node concept="Xl_RD" id="7JjE9Fnb1Rd" role="28ntcv">
-                        <property role="Xl_RC" value="insert name here" />
+                      <node concept="WxPPo" id="1ZGA$uQegtj" role="28ntcv">
+                        <node concept="Xl_RD" id="7JjE9Fnb1Rd" role="WxPPp">
+                          <property role="Xl_RC" value="insert name here" />
+                        </node>
                       </node>
                     </node>
                   </node>
@@ -700,14 +705,18 @@
                     <ref role="2pJxaS" to="l1zz:7JjE9FnaMZ$" resolve="PositionPersistance" />
                     <node concept="2pJxcG" id="4lyQvwNTXNz" role="2pJxcM">
                       <ref role="2pJxcJ" to="l1zz:7JjE9FnaN3C" resolve="x" />
-                      <node concept="Xl_RD" id="4lyQvwNTYkw" role="28ntcv">
-                        <property role="Xl_RC" value="0.0" />
+                      <node concept="WxPPo" id="1ZGA$uQegtk" role="28ntcv">
+                        <node concept="Xl_RD" id="4lyQvwNTYkw" role="WxPPp">
+                          <property role="Xl_RC" value="0.0" />
+                        </node>
                       </node>
                     </node>
                     <node concept="2pJxcG" id="4lyQvwNTYqZ" role="2pJxcM">
                       <ref role="2pJxcJ" to="l1zz:7JjE9FnaN3I" resolve="y" />
-                      <node concept="Xl_RD" id="4lyQvwNTYvk" role="28ntcv">
-                        <property role="Xl_RC" value="0.0" />
+                      <node concept="WxPPo" id="1ZGA$uQegtl" role="28ntcv">
+                        <node concept="Xl_RD" id="4lyQvwNTYvk" role="WxPPp">
+                          <property role="Xl_RC" value="0.0" />
+                        </node>
                       </node>
                     </node>
                   </node>
diff --git a/languages/Component/models/structure.mps b/languages/Component/models/structure.mps
index e8ea296..54c339d 100644
--- a/languages/Component/models/structure.mps
+++ b/languages/Component/models/structure.mps
@@ -172,24 +172,26 @@
       <property role="20kJfa" value="connPolicy" />
       <ref role="20lvS9" node="y1xxPK3wZn" resolve="IConnPolicy" />
     </node>
+    <node concept="1TJgyj" id="64jCRrVjHsD" role="1TKVEi">
+      <property role="IQ2ns" value="6995114377654228777" />
+      <property role="20lmBu" value="fLJjDmT/aggregation" />
+      <property role="20kJfa" value="targets" />
+      <property role="20lbJX" value="fLJekj6/_1__n" />
+      <ref role="20lvS9" node="64jCRrVjJGl" resolve="TargetRef" />
+    </node>
+    <node concept="1TJgyj" id="64jCRrVjHsI" role="1TKVEi">
+      <property role="IQ2ns" value="6995114377654228782" />
+      <property role="20lmBu" value="fLJjDmT/aggregation" />
+      <property role="20kJfa" value="sources" />
+      <property role="20lbJX" value="fLJekj6/_1__n" />
+      <ref role="20lvS9" node="64jCRrVjJGi" resolve="SourceRef" />
+    </node>
     <node concept="PrWs8" id="1u89nBaZezj" role="PzmwI">
       <ref role="PrY4T" to="tpck:h0TrEE$" resolve="INamedConcept" />
     </node>
     <node concept="PrWs8" id="7tg6lh6W94d" role="PzmwI">
       <ref role="PrY4T" node="7tg6lh6W90v" resolve="IPositionsPersistanceList" />
     </node>
-    <node concept="1TJgyj" id="1u89nBaZezp" role="1TKVEi">
-      <property role="IQ2ns" value="1695646464731834585" />
-      <property role="20kJfa" value="target" />
-      <property role="20lbJX" value="fLJekj4/_1" />
-      <ref role="20lvS9" node="30W4IWrNIUo" resolve="IPortRef" />
-    </node>
-    <node concept="1TJgyj" id="1u89nBaZezs" role="1TKVEi">
-      <property role="IQ2ns" value="1695646464731834588" />
-      <property role="20kJfa" value="source" />
-      <property role="20lbJX" value="fLJekj4/_1" />
-      <ref role="20lvS9" node="30W4IWrNIUo" resolve="IPortRef" />
-    </node>
   </node>
   <node concept="1TIwiD" id="1u89nBaZcNt">
     <property role="EcuMT" value="1695646464731827421" />
@@ -907,5 +909,29 @@
     <property role="34LRSv" value="Predefined Component" />
     <ref role="1TJDcQ" node="1u89nBaZcNq" resolve="Component" />
   </node>
+  <node concept="1TIwiD" id="64jCRrVjJGi">
+    <property role="EcuMT" value="6995114377654237970" />
+    <property role="3GE5qa" value="References" />
+    <property role="TrG5h" value="SourceRef" />
+    <ref role="1TJDcQ" to="tpck:gw2VY9q" resolve="BaseConcept" />
+    <node concept="1TJgyj" id="7xTfi9IJNIV" role="1TKVEi">
+      <property role="IQ2ns" value="8681036974829550523" />
+      <property role="20kJfa" value="ref" />
+      <property role="20lbJX" value="fLJekj4/_1" />
+      <ref role="20lvS9" node="30W4IWrNIUo" resolve="IPortRef" />
+    </node>
+  </node>
+  <node concept="1TIwiD" id="64jCRrVjJGl">
+    <property role="EcuMT" value="6995114377654237973" />
+    <property role="3GE5qa" value="References" />
+    <property role="TrG5h" value="TargetRef" />
+    <ref role="1TJDcQ" to="tpck:gw2VY9q" resolve="BaseConcept" />
+    <node concept="1TJgyj" id="7xTfi9IJNIX" role="1TKVEi">
+      <property role="IQ2ns" value="8681036974829550525" />
+      <property role="20kJfa" value="ref" />
+      <property role="20lbJX" value="fLJekj4/_1" />
+      <ref role="20lvS9" node="30W4IWrNIUo" resolve="IPortRef" />
+    </node>
+  </node>
 </model>
 
diff --git a/languages/Component/models/typesystem.mps b/languages/Component/models/typesystem.mps
index 0fe9209..4445812 100644
--- a/languages/Component/models/typesystem.mps
+++ b/languages/Component/models/typesystem.mps
@@ -25,7 +25,11 @@
         <child id="1068498886297" name="rValue" index="37vLTx" />
         <child id="1068498886295" name="lValue" index="37vLTJ" />
       </concept>
+      <concept id="4836112446988635817" name="jetbrains.mps.baseLanguage.structure.UndefinedType" flags="in" index="2jxLKc" />
       <concept id="1202948039474" name="jetbrains.mps.baseLanguage.structure.InstanceMethodCallOperation" flags="nn" index="liA8E" />
+      <concept id="1239714755177" name="jetbrains.mps.baseLanguage.structure.AbstractUnaryNumberOperation" flags="nn" index="2$Kvd9">
+        <child id="1239714902950" name="expression" index="2$L3a6" />
+      </concept>
       <concept id="1188207840427" name="jetbrains.mps.baseLanguage.structure.AnnotationInstance" flags="nn" index="2AHcQZ">
         <reference id="1188208074048" name="annotation" index="2AI5Lk" />
       </concept>
@@ -55,6 +59,7 @@
         <reference id="1144433194310" name="classConcept" index="1Pybhc" />
       </concept>
       <concept id="1070534058343" name="jetbrains.mps.baseLanguage.structure.NullLiteral" flags="nn" index="10Nm6u" />
+      <concept id="1070534370425" name="jetbrains.mps.baseLanguage.structure.IntegerType" flags="in" index="10Oyi0" />
       <concept id="1070534644030" name="jetbrains.mps.baseLanguage.structure.BooleanType" flags="in" index="10P_77" />
       <concept id="1068431474542" name="jetbrains.mps.baseLanguage.structure.VariableDeclaration" flags="ng" index="33uBYm">
         <property id="1176718929932" name="isFinal" index="3TUv4t" />
@@ -90,6 +95,9 @@
       <concept id="1068580123137" name="jetbrains.mps.baseLanguage.structure.BooleanConstant" flags="nn" index="3clFbT">
         <property id="1068580123138" name="value" index="3clFbU" />
       </concept>
+      <concept id="1068580320020" name="jetbrains.mps.baseLanguage.structure.IntegerConstant" flags="nn" index="3cmrfG">
+        <property id="1068580320021" name="value" index="3cmrfH" />
+      </concept>
       <concept id="1068581242875" name="jetbrains.mps.baseLanguage.structure.PlusExpression" flags="nn" index="3cpWs3" />
       <concept id="1068581242878" name="jetbrains.mps.baseLanguage.structure.ReturnStatement" flags="nn" index="3cpWs6">
         <child id="1068581517676" name="expression" index="3cqZAk" />
@@ -97,8 +105,10 @@
       <concept id="1068581242864" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclarationStatement" flags="nn" index="3cpWs8">
         <child id="1068581242865" name="localVariableDeclaration" index="3cpWs9" />
       </concept>
+      <concept id="1068581242869" name="jetbrains.mps.baseLanguage.structure.MinusExpression" flags="nn" index="3cpWsd" />
       <concept id="1068581242863" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclaration" flags="nr" index="3cpWsn" />
       <concept id="1068581517677" name="jetbrains.mps.baseLanguage.structure.VoidType" flags="in" index="3cqZAl" />
+      <concept id="1081506773034" name="jetbrains.mps.baseLanguage.structure.LessThanExpression" flags="nn" index="3eOVzh" />
       <concept id="1081516740877" name="jetbrains.mps.baseLanguage.structure.NotExpression" flags="nn" index="3fqX7Q">
         <child id="1081516765348" name="expression" index="3fr31v" />
       </concept>
@@ -118,14 +128,22 @@
         <child id="1081773367579" name="rightExpression" index="3uHU7w" />
         <child id="1081773367580" name="leftExpression" index="3uHU7B" />
       </concept>
+      <concept id="1214918800624" name="jetbrains.mps.baseLanguage.structure.PostfixIncrementExpression" flags="nn" index="3uNrnE" />
       <concept id="1073239437375" name="jetbrains.mps.baseLanguage.structure.NotEqualsExpression" flags="nn" index="3y3z36" />
       <concept id="1081855346303" name="jetbrains.mps.baseLanguage.structure.BreakStatement" flags="nn" index="3zACq4" />
       <concept id="1178549954367" name="jetbrains.mps.baseLanguage.structure.IVisible" flags="ng" index="1B3ioH">
         <child id="1178549979242" name="visibility" index="1B3o_S" />
       </concept>
+      <concept id="1144230876926" name="jetbrains.mps.baseLanguage.structure.AbstractForStatement" flags="nn" index="1DupvO">
+        <child id="1144230900587" name="variable" index="1Duv9x" />
+      </concept>
+      <concept id="1144231330558" name="jetbrains.mps.baseLanguage.structure.ForStatement" flags="nn" index="1Dw8fO">
+        <child id="1144231399730" name="condition" index="1Dwp0S" />
+        <child id="1144231408325" name="iteration" index="1Dwrff" />
+      </concept>
       <concept id="1082113931046" name="jetbrains.mps.baseLanguage.structure.ContinueStatement" flags="nn" index="3N13vt" />
       <concept id="6329021646629104954" name="jetbrains.mps.baseLanguage.structure.SingleLineComment" flags="nn" index="3SKdUt">
-        <child id="1350122676458893092" name="text" index="3ndbpf" />
+        <child id="8356039341262087992" name="line" index="1aUNEU" />
       </concept>
       <concept id="1146644602865" name="jetbrains.mps.baseLanguage.structure.PublicVisibility" flags="nn" index="3Tm1VV" />
       <concept id="1080120340718" name="jetbrains.mps.baseLanguage.structure.AndExpression" flags="nn" index="1Wc70l" />
@@ -143,6 +161,7 @@
     </language>
     <language id="fd392034-7849-419d-9071-12563d152375" name="jetbrains.mps.baseLanguage.closures">
       <concept id="1199569711397" name="jetbrains.mps.baseLanguage.closures.structure.ClosureLiteral" flags="nn" index="1bVj0M">
+        <child id="1199569906740" name="parameter" index="1bW2Oz" />
         <child id="1199569916463" name="body" index="1bW5cS" />
       </concept>
     </language>
@@ -291,17 +310,21 @@
       </concept>
     </language>
     <language id="c7fb639f-be78-4307-89b0-b5959c3fa8c8" name="jetbrains.mps.lang.text">
-      <concept id="155656958578482948" name="jetbrains.mps.lang.text.structure.Word" flags="ng" index="3oM_SD">
+      <concept id="155656958578482948" name="jetbrains.mps.lang.text.structure.Word" flags="nn" index="3oM_SD">
         <property id="155656958578482949" name="value" index="3oM_SC" />
       </concept>
-      <concept id="2535923850359271782" name="jetbrains.mps.lang.text.structure.Line" flags="ng" index="1PaTwC">
+      <concept id="2535923850359271782" name="jetbrains.mps.lang.text.structure.Line" flags="nn" index="1PaTwC">
         <child id="2535923850359271783" name="elements" index="1PaTwD" />
       </concept>
     </language>
     <language id="83888646-71ce-4f1c-9c53-c54016f6ad4f" name="jetbrains.mps.baseLanguage.collections">
+      <concept id="1204796164442" name="jetbrains.mps.baseLanguage.collections.structure.InternalSequenceOperation" flags="nn" index="23sCx2">
+        <child id="1204796294226" name="closure" index="23t8la" />
+      </concept>
       <concept id="540871147943773365" name="jetbrains.mps.baseLanguage.collections.structure.SingleArgumentSequenceOperation" flags="nn" index="25WWJ4">
         <child id="540871147943773366" name="argument" index="25WWJ7" />
       </concept>
+      <concept id="1204980550705" name="jetbrains.mps.baseLanguage.collections.structure.VisitAllOperation" flags="nn" index="2es0OD" />
       <concept id="1153943597977" name="jetbrains.mps.baseLanguage.collections.structure.ForEachStatement" flags="nn" index="2Gpval">
         <child id="1153944400369" name="variable" index="2Gsz3X" />
         <child id="1153944424730" name="inputSequence" index="2GsD0m" />
@@ -311,8 +334,13 @@
         <reference id="1153944258490" name="variable" index="2Gs0qQ" />
       </concept>
       <concept id="1227022210526" name="jetbrains.mps.baseLanguage.collections.structure.ClearAllElementsOperation" flags="nn" index="2Kehj3" />
+      <concept id="1203518072036" name="jetbrains.mps.baseLanguage.collections.structure.SmartClosureParameterDeclaration" flags="ig" index="Rh6nW" />
       <concept id="1160612413312" name="jetbrains.mps.baseLanguage.collections.structure.AddElementOperation" flags="nn" index="TSZUe" />
       <concept id="1173946412755" name="jetbrains.mps.baseLanguage.collections.structure.RemoveAllElementsOperation" flags="nn" index="1kEaZ2" />
+      <concept id="1225711141656" name="jetbrains.mps.baseLanguage.collections.structure.ListElementAccessExpression" flags="nn" index="1y4W85">
+        <child id="1225711182005" name="list" index="1y566C" />
+        <child id="1225711191269" name="index" index="1y58nS" />
+      </concept>
       <concept id="1176501494711" name="jetbrains.mps.baseLanguage.collections.structure.IsNotEmptyOperation" flags="nn" index="3GX2aA" />
       <concept id="1172254888721" name="jetbrains.mps.baseLanguage.collections.structure.ContainsOperation" flags="nn" index="3JPx81" />
     </language>
@@ -458,7 +486,7 @@
                 </node>
               </node>
               <node concept="3SKdUt" id="4LsNulDhzca" role="3cqZAp">
-                <node concept="1PaTwC" id="6U$LN6knWWo" role="3ndbpf">
+                <node concept="1PaTwC" id="6U$LN6knWWo" role="1aUNEU">
                   <node concept="3oM_SD" id="6U$LN6knWWq" role="1PaTwD">
                     <property role="3oM_SC" value="try" />
                   </node>
@@ -529,7 +557,7 @@
               <node concept="3clFbJ" id="4LsNulDhL1Z" role="3cqZAp">
                 <node concept="3clFbS" id="4LsNulDhL21" role="3clFbx">
                   <node concept="3SKdUt" id="4LsNulDhL8w" role="3cqZAp">
-                    <node concept="1PaTwC" id="6U$LN6knWWx" role="3ndbpf">
+                    <node concept="1PaTwC" id="6U$LN6knWWx" role="1aUNEU">
                       <node concept="3oM_SD" id="6U$LN6knWWz" role="1PaTwD">
                         <property role="3oM_SC" value="target" />
                       </node>
@@ -678,7 +706,7 @@
         </node>
       </node>
       <node concept="3SKdUt" id="4LsNulDhLBv" role="3cqZAp">
-        <node concept="1PaTwC" id="6U$LN6knWWF" role="3ndbpf">
+        <node concept="1PaTwC" id="6U$LN6knWWF" role="1aUNEU">
           <node concept="3oM_SD" id="6U$LN6knWWH" role="1PaTwD">
             <property role="3oM_SC" value="" />
           </node>
@@ -795,7 +823,7 @@
                     </node>
                   </node>
                   <node concept="3SKdUt" id="4LsNulDhNDh" role="3cqZAp">
-                    <node concept="1PaTwC" id="6U$LN6knWWM" role="3ndbpf">
+                    <node concept="1PaTwC" id="6U$LN6knWWM" role="1aUNEU">
                       <node concept="3oM_SD" id="6U$LN6knWWO" role="1PaTwD">
                         <property role="3oM_SC" value="try" />
                       </node>
@@ -854,7 +882,7 @@
           <node concept="3clFbJ" id="4LsNulDhNDA" role="3cqZAp">
             <node concept="3clFbS" id="4LsNulDhNDB" role="3clFbx">
               <node concept="3SKdUt" id="4LsNulDhNDC" role="3cqZAp">
-                <node concept="1PaTwC" id="6U$LN6knWWV" role="3ndbpf">
+                <node concept="1PaTwC" id="6U$LN6knWWV" role="1aUNEU">
                   <node concept="3oM_SD" id="6U$LN6knWWX" role="1PaTwD">
                     <property role="3oM_SC" value="target" />
                   </node>
@@ -904,7 +932,7 @@
       </node>
       <node concept="3clFbH" id="4LsNulDid8m" role="3cqZAp" />
       <node concept="3SKdUt" id="4LsNulDif0u" role="3cqZAp">
-        <node concept="1PaTwC" id="6U$LN6knWX5" role="3ndbpf">
+        <node concept="1PaTwC" id="6U$LN6knWX5" role="1aUNEU">
           <node concept="3oM_SD" id="6U$LN6knWX7" role="1PaTwD">
             <property role="3oM_SC" value="remove!" />
           </node>
@@ -1040,130 +1068,552 @@
   <node concept="1YbPZF" id="30W4IWrPus3">
     <property role="TrG5h" value="typeof_Connection" />
     <node concept="3clFbS" id="30W4IWrPus4" role="18ibNy">
-      <node concept="3clFbJ" id="30W4IWrPChn" role="3cqZAp">
-        <node concept="3clFbS" id="30W4IWrPChp" role="3clFbx">
-          <node concept="2MkqsV" id="6U$LN6kp7Ju" role="3cqZAp">
-            <node concept="1YBJjd" id="6U$LN6kp7JL" role="1urrMF">
+      <node concept="3clFbF" id="64jCRrVk0go" role="3cqZAp">
+        <node concept="2OqwBi" id="64jCRrVk1WI" role="3clFbG">
+          <node concept="2OqwBi" id="64jCRrVk0pL" role="2Oq$k0">
+            <node concept="1YBJjd" id="64jCRrVk0gm" role="2Oq$k0">
               <ref role="1YBMHb" node="30W4IWrPus6" resolve="connection" />
             </node>
-            <node concept="Xl_RD" id="6U$LN6kp7L6" role="2MkJ7o">
-              <property role="Xl_RC" value="Target and Source cannot be equal!" />
+            <node concept="3Tsc0h" id="64jCRrVk0zr" role="2OqNvi">
+              <ref role="3TtcxE" to="l1zz:64jCRrVjHsI" resolve="sources" />
+            </node>
+          </node>
+          <node concept="2es0OD" id="64jCRrVk3fd" role="2OqNvi">
+            <node concept="1bVj0M" id="64jCRrVk3ff" role="23t8la">
+              <node concept="3clFbS" id="64jCRrVk3fg" role="1bW5cS">
+                <node concept="3clFbF" id="64jCRrVk3oE" role="3cqZAp">
+                  <node concept="2OqwBi" id="64jCRrVk58G" role="3clFbG">
+                    <node concept="2OqwBi" id="64jCRrVk3zk" role="2Oq$k0">
+                      <node concept="1YBJjd" id="64jCRrVk3oD" role="2Oq$k0">
+                        <ref role="1YBMHb" node="30W4IWrPus6" resolve="connection" />
+                      </node>
+                      <node concept="3Tsc0h" id="64jCRrVk3KT" role="2OqNvi">
+                        <ref role="3TtcxE" to="l1zz:64jCRrVjHsD" resolve="targets" />
+                      </node>
+                    </node>
+                    <node concept="2es0OD" id="64jCRrVk6qI" role="2OqNvi">
+                      <node concept="1bVj0M" id="64jCRrVk6qK" role="23t8la">
+                        <node concept="3clFbS" id="64jCRrVk6qL" role="1bW5cS">
+                          <node concept="3clFbJ" id="64jCRrVk6Iz" role="3cqZAp">
+                            <node concept="3clFbC" id="64jCRrVk8An" role="3clFbw">
+                              <node concept="2OqwBi" id="4ZG2dyAZKDM" role="3uHU7w">
+                                <node concept="2OqwBi" id="7xTfi9IJQC6" role="2Oq$k0">
+                                  <node concept="37vLTw" id="4ZG2dyAYZMU" role="2Oq$k0">
+                                    <ref role="3cqZAo" node="64jCRrVk6qM" resolve="target" />
+                                  </node>
+                                  <node concept="3TrEf2" id="7xTfi9IJQZv" role="2OqNvi">
+                                    <ref role="3Tt5mk" to="l1zz:7xTfi9IJNIX" resolve="ref" />
+                                  </node>
+                                </node>
+                                <node concept="3TrEf2" id="4ZG2dyAZKZM" role="2OqNvi">
+                                  <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
+                                </node>
+                              </node>
+                              <node concept="2OqwBi" id="4ZG2dyAZKhP" role="3uHU7B">
+                                <node concept="2OqwBi" id="7xTfi9IJQfr" role="2Oq$k0">
+                                  <node concept="37vLTw" id="64jCRrVk6P1" role="2Oq$k0">
+                                    <ref role="3cqZAo" node="64jCRrVk3fh" resolve="source" />
+                                  </node>
+                                  <node concept="3TrEf2" id="7xTfi9IJQqP" role="2OqNvi">
+                                    <ref role="3Tt5mk" to="l1zz:7xTfi9IJNIV" resolve="ref" />
+                                  </node>
+                                </node>
+                                <node concept="3TrEf2" id="4ZG2dyAZKtA" role="2OqNvi">
+                                  <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
+                                </node>
+                              </node>
+                            </node>
+                            <node concept="3clFbS" id="64jCRrVk6I_" role="3clFbx">
+                              <node concept="2MkqsV" id="64jCRrVk9sW" role="3cqZAp">
+                                <node concept="1YBJjd" id="64jCRrVk9sX" role="1urrMF">
+                                  <ref role="1YBMHb" node="30W4IWrPus6" resolve="connection" />
+                                </node>
+                                <node concept="Xl_RD" id="64jCRrVk9sY" role="2MkJ7o">
+                                  <property role="Xl_RC" value="Target and Source cannot be equal!" />
+                                </node>
+                              </node>
+                              <node concept="3cpWs6" id="64jCRrVk9sZ" role="3cqZAp" />
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="Rh6nW" id="64jCRrVk6qM" role="1bW2Oz">
+                          <property role="TrG5h" value="target" />
+                          <node concept="2jxLKc" id="64jCRrVk6qN" role="1tU5fm" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+              <node concept="Rh6nW" id="64jCRrVk3fh" role="1bW2Oz">
+                <property role="TrG5h" value="source" />
+                <node concept="2jxLKc" id="64jCRrVk3fi" role="1tU5fm" />
+              </node>
             </node>
           </node>
-          <node concept="3cpWs6" id="30W4IWrPF5e" role="3cqZAp" />
         </node>
-        <node concept="3clFbC" id="30W4IWrPDt_" role="3clFbw">
-          <node concept="2OqwBi" id="30W4IWrPDGT" role="3uHU7w">
-            <node concept="1YBJjd" id="30W4IWrPD_8" role="2Oq$k0">
+      </node>
+      <node concept="3clFbH" id="64jCRrVk9xY" role="3cqZAp" />
+      <node concept="3clFbF" id="64jCRrVk9_n" role="3cqZAp">
+        <node concept="2OqwBi" id="64jCRrVk9_p" role="3clFbG">
+          <node concept="2OqwBi" id="64jCRrVk9_q" role="2Oq$k0">
+            <node concept="1YBJjd" id="64jCRrVk9_r" role="2Oq$k0">
               <ref role="1YBMHb" node="30W4IWrPus6" resolve="connection" />
             </node>
-            <node concept="3TrEf2" id="30W4IWrPDVk" role="2OqNvi">
-              <ref role="3Tt5mk" to="l1zz:1u89nBaZezp" resolve="target" />
+            <node concept="3Tsc0h" id="64jCRrVk9_s" role="2OqNvi">
+              <ref role="3TtcxE" to="l1zz:64jCRrVjHsI" resolve="sources" />
+            </node>
+          </node>
+          <node concept="2es0OD" id="64jCRrVk9_t" role="2OqNvi">
+            <node concept="1bVj0M" id="64jCRrVk9_u" role="23t8la">
+              <node concept="3clFbS" id="64jCRrVk9_v" role="1bW5cS">
+                <node concept="3clFbF" id="64jCRrVk9_w" role="3cqZAp">
+                  <node concept="2OqwBi" id="64jCRrVk9_x" role="3clFbG">
+                    <node concept="2OqwBi" id="64jCRrVk9_y" role="2Oq$k0">
+                      <node concept="1YBJjd" id="64jCRrVk9_z" role="2Oq$k0">
+                        <ref role="1YBMHb" node="30W4IWrPus6" resolve="connection" />
+                      </node>
+                      <node concept="3Tsc0h" id="64jCRrVk9_$" role="2OqNvi">
+                        <ref role="3TtcxE" to="l1zz:64jCRrVjHsD" resolve="targets" />
+                      </node>
+                    </node>
+                    <node concept="2es0OD" id="64jCRrVk9__" role="2OqNvi">
+                      <node concept="1bVj0M" id="64jCRrVk9_A" role="23t8la">
+                        <node concept="3clFbS" id="64jCRrVk9_B" role="1bW5cS">
+                          <node concept="1Z5TYs" id="64jCRrVkbRu" role="3cqZAp">
+                            <node concept="mw_s8" id="64jCRrVkbWI" role="1ZfhKB">
+                              <node concept="2OqwBi" id="64jCRrVkcL9" role="mwGJk">
+                                <node concept="2OqwBi" id="64jCRrVkc8R" role="2Oq$k0">
+                                  <node concept="2OqwBi" id="7xTfi9IJP5W" role="2Oq$k0">
+                                    <node concept="37vLTw" id="64jCRrVkbWG" role="2Oq$k0">
+                                      <ref role="3cqZAo" node="64jCRrVk9_P" resolve="target" />
+                                    </node>
+                                    <node concept="3TrEf2" id="7xTfi9IJPhN" role="2OqNvi">
+                                      <ref role="3Tt5mk" to="l1zz:7xTfi9IJNIX" resolve="ref" />
+                                    </node>
+                                  </node>
+                                  <node concept="3TrEf2" id="4ZG2dyAZMno" role="2OqNvi">
+                                    <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
+                                  </node>
+                                </node>
+                                <node concept="3TrEf2" id="64jCRrVkd15" role="2OqNvi">
+                                  <ref role="3Tt5mk" to="l1zz:5S9zKKpPYgu" resolve="type" />
+                                </node>
+                              </node>
+                            </node>
+                            <node concept="mw_s8" id="64jCRrVkbRx" role="1ZfhK$">
+                              <node concept="2OqwBi" id="4ZG2dyAZLLC" role="mwGJk">
+                                <node concept="2OqwBi" id="4ZG2dyAZLui" role="2Oq$k0">
+                                  <node concept="2OqwBi" id="7xTfi9IJOy5" role="2Oq$k0">
+                                    <node concept="37vLTw" id="64jCRrVkaw0" role="2Oq$k0">
+                                      <ref role="3cqZAo" node="64jCRrVk9_R" resolve="source" />
+                                    </node>
+                                    <node concept="3TrEf2" id="7xTfi9IJOP9" role="2OqNvi">
+                                      <ref role="3Tt5mk" to="l1zz:7xTfi9IJNIV" resolve="ref" />
+                                    </node>
+                                  </node>
+                                  <node concept="3TrEf2" id="4ZG2dyAZLzQ" role="2OqNvi">
+                                    <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
+                                  </node>
+                                </node>
+                                <node concept="3TrEf2" id="4ZG2dyAZM8r" role="2OqNvi">
+                                  <ref role="3Tt5mk" to="l1zz:5S9zKKpPYgu" resolve="type" />
+                                </node>
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="Rh6nW" id="64jCRrVk9_P" role="1bW2Oz">
+                          <property role="TrG5h" value="target" />
+                          <node concept="2jxLKc" id="64jCRrVk9_Q" role="1tU5fm" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+              <node concept="Rh6nW" id="64jCRrVk9_R" role="1bW2Oz">
+                <property role="TrG5h" value="source" />
+                <node concept="2jxLKc" id="64jCRrVk9_S" role="1tU5fm" />
+              </node>
             </node>
           </node>
-          <node concept="2OqwBi" id="30W4IWrPCpv" role="3uHU7B">
-            <node concept="1YBJjd" id="30W4IWrPChS" role="2Oq$k0">
+        </node>
+      </node>
+      <node concept="3clFbH" id="64jCRrVkd69" role="3cqZAp" />
+      <node concept="3clFbF" id="64jCRrVkdbs" role="3cqZAp">
+        <node concept="2OqwBi" id="64jCRrVkdbu" role="3clFbG">
+          <node concept="2OqwBi" id="64jCRrVkdbv" role="2Oq$k0">
+            <node concept="1YBJjd" id="64jCRrVkdbw" role="2Oq$k0">
               <ref role="1YBMHb" node="30W4IWrPus6" resolve="connection" />
             </node>
-            <node concept="3TrEf2" id="30W4IWrPCIF" role="2OqNvi">
-              <ref role="3Tt5mk" to="l1zz:1u89nBaZezs" resolve="source" />
+            <node concept="3Tsc0h" id="64jCRrVkdbx" role="2OqNvi">
+              <ref role="3TtcxE" to="l1zz:64jCRrVjHsI" resolve="sources" />
+            </node>
+          </node>
+          <node concept="2es0OD" id="64jCRrVkdby" role="2OqNvi">
+            <node concept="1bVj0M" id="64jCRrVkdbz" role="23t8la">
+              <node concept="3clFbS" id="64jCRrVkdb$" role="1bW5cS">
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+                  <node concept="2OqwBi" id="64jCRrVkdbA" role="3clFbG">
+                    <node concept="2OqwBi" id="64jCRrVkdbB" role="2Oq$k0">
+                      <node concept="1YBJjd" id="64jCRrVkdbC" role="2Oq$k0">
+                        <ref role="1YBMHb" node="30W4IWrPus6" resolve="connection" />
+                      </node>
+                      <node concept="3Tsc0h" id="64jCRrVkdbD" role="2OqNvi">
+                        <ref role="3TtcxE" to="l1zz:64jCRrVjHsD" resolve="targets" />
+                      </node>
+                    </node>
+                    <node concept="2es0OD" id="64jCRrVkdbE" role="2OqNvi">
+                      <node concept="1bVj0M" id="64jCRrVkdbF" role="23t8la">
+                        <node concept="3clFbS" id="64jCRrVkdbG" role="1bW5cS">
+                          <node concept="3clFbJ" id="64jCRrVkdbH" role="3cqZAp">
+                            <node concept="3clFbS" id="64jCRrVkdbP" role="3clFbx">
+                              <node concept="2MkqsV" id="64jCRrVkhr_" role="3cqZAp">
+                                <node concept="1YBJjd" id="64jCRrVkhrA" role="1urrMF">
+                                  <ref role="1YBMHb" node="30W4IWrPus6" resolve="connection" />
+                                </node>
+                                <node concept="Xl_RD" id="64jCRrVkhrB" role="2MkJ7o">
+                                  <property role="Xl_RC" value="I/O-Type of Target and Source cannot be equal!" />
+                                </node>
+                              </node>
+                            </node>
+                            <node concept="3clFbC" id="64jCRrVkflU" role="3clFbw">
+                              <node concept="2OqwBi" id="64jCRrVkgwW" role="3uHU7w">
+                                <node concept="2OqwBi" id="64jCRrVkfMF" role="2Oq$k0">
+                                  <node concept="2OqwBi" id="7xTfi9IJPo4" role="2Oq$k0">
+                                    <node concept="37vLTw" id="64jCRrVkfuU" role="2Oq$k0">
+                                      <ref role="3cqZAo" node="64jCRrVkdbU" resolve="target" />
+                                    </node>
+                                    <node concept="3TrEf2" id="7xTfi9IJPxW" role="2OqNvi">
+                                      <ref role="3Tt5mk" to="l1zz:7xTfi9IJNIX" resolve="ref" />
+                                    </node>
+                                  </node>
+                                  <node concept="3TrEf2" id="4ZG2dyAZMG7" role="2OqNvi">
+                                    <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
+                                  </node>
+                                </node>
+                                <node concept="3TrcHB" id="64jCRrVkgKB" role="2OqNvi">
+                                  <ref role="3TsBF5" to="l1zz:6U$LN6klUVX" resolve="ioType" />
+                                </node>
+                              </node>
+                              <node concept="2OqwBi" id="64jCRrVkeRc" role="3uHU7B">
+                                <node concept="2OqwBi" id="64jCRrVkeon" role="2Oq$k0">
+                                  <node concept="2OqwBi" id="7xTfi9IJPJh" role="2Oq$k0">
+                                    <node concept="37vLTw" id="64jCRrVkecx" role="2Oq$k0">
+                                      <ref role="3cqZAo" node="64jCRrVkdbW" resolve="source" />
+                                    </node>
+                                    <node concept="3TrEf2" id="7xTfi9IJQ7f" role="2OqNvi">
+                                      <ref role="3Tt5mk" to="l1zz:7xTfi9IJNIV" resolve="ref" />
+                                    </node>
+                                  </node>
+                                  <node concept="3TrEf2" id="4ZG2dyAZMvD" role="2OqNvi">
+                                    <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
+                                  </node>
+                                </node>
+                                <node concept="3TrcHB" id="64jCRrVkf6_" role="2OqNvi">
+                                  <ref role="3TsBF5" to="l1zz:6U$LN6klUVX" resolve="ioType" />
+                                </node>
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="Rh6nW" id="64jCRrVkdbU" role="1bW2Oz">
+                          <property role="TrG5h" value="target" />
+                          <node concept="2jxLKc" id="64jCRrVkdbV" role="1tU5fm" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+              <node concept="Rh6nW" id="64jCRrVkdbW" role="1bW2Oz">
+                <property role="TrG5h" value="source" />
+                <node concept="2jxLKc" id="64jCRrVkdbX" role="1tU5fm" />
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             </node>
           </node>
         </node>
       </node>
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-                  <ref role="1YBMHb" node="30W4IWrPus6" resolve="connection" />
+      <node concept="3clFbH" id="7xTfi9IWPPY" role="3cqZAp" />
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+                    <node concept="Xl_RD" id="7xTfi9IXt_M" role="2MkJ7o">
+                      <property role="Xl_RC" value="Repeated port!" />
+                    </node>
+                    <node concept="1y4W85" id="7xTfi9IXwhr" role="1urrMF">
+                      <node concept="37vLTw" id="7xTfi9IXwBG" role="1y58nS">
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+                <node concept="3Tsc0h" id="7xTfi9IX$af" role="2OqNvi">
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-                <ref role="3Tt5mk" to="l1zz:30W4IWrNIUp" resolve="port" />
+              <node concept="liA8E" id="7xTfi9IXxQ4" role="2OqNvi">
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-              <ref role="3TsBF5" to="l1zz:6U$LN6klUVX" resolve="ioType" />
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         </node>
       </node>
+      <node concept="3clFbH" id="7xTfi9IXxsv" role="3cqZAp" />
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     <node concept="1YaCAy" id="30W4IWrPus6" role="1YuTPh">
       <property role="TrG5h" value="connection" />
@@ -1174,7 +1624,7 @@
     <property role="TrG5h" value="typeof_ProxyPort" />
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       <node concept="3SKdUt" id="5XrbB0JmJNp" role="3cqZAp">
-        <node concept="1PaTwC" id="6U$LN6knWX8" role="3ndbpf">
+        <node concept="1PaTwC" id="6U$LN6knWX8" role="1aUNEU">
           <node concept="3oM_SD" id="6U$LN6knWXa" role="1PaTwD">
             <property role="3oM_SC" value="TODO" />
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@@ -1545,7 +1995,7 @@
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           <node concept="3SKdUt" id="378Eyp8LRiY" role="3cqZAp">
-            <node concept="1PaTwC" id="6U$LN6knWXm" role="3ndbpf">
+            <node concept="1PaTwC" id="6U$LN6knWXm" role="1aUNEU">
               <node concept="3oM_SD" id="6U$LN6knWXo" role="1PaTwD">
                 <property role="3oM_SC" value="check" />
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@@ -1947,7 +2397,7 @@
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                 <node concept="3SKdUt" id="6TPUf_HFOnb" role="3cqZAp">
-                  <node concept="1PaTwC" id="6TPUf_HFOnc" role="3ndbpf">
+                  <node concept="1PaTwC" id="6TPUf_HFOnc" role="1aUNEU">
                     <node concept="3oM_SD" id="6TPUf_HFOnd" role="1PaTwD">
                       <property role="3oM_SC" value="TODO" />
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@@ -2253,7 +2703,7 @@
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-              <node concept="1PaTwC" id="6TPUf_HFNUT" role="3ndbpf">
+              <node concept="1PaTwC" id="6TPUf_HFNUT" role="1aUNEU">
                 <node concept="3oM_SD" id="6TPUf_HFNUU" role="1PaTwD">
                   <property role="3oM_SC" value="TODO" />
                 </node>
@@ -2497,7 +2947,7 @@
     <node concept="Q5ZZ6" id="378Eyp8PeUf" role="Q6x$H">
       <node concept="3clFbS" id="378Eyp8PeUg" role="2VODD2">
         <node concept="3SKdUt" id="6TPUf_HFGYv" role="3cqZAp">
-          <node concept="1PaTwC" id="6TPUf_HFGYw" role="3ndbpf">
+          <node concept="1PaTwC" id="6TPUf_HFGYw" role="1aUNEU">
             <node concept="3oM_SD" id="6TPUf_HFGYy" role="1PaTwD">
               <property role="3oM_SC" value="TODO" />
             </node>
diff --git a/languages/Component/sandbox/models/Component/sandbox.mps b/languages/Component/sandbox/models/Component/sandbox.mps
index 07ed1f7..66aec87 100644
--- a/languages/Component/sandbox/models/Component/sandbox.mps
+++ b/languages/Component/sandbox/models/Component/sandbox.mps
@@ -11,11 +11,16 @@
       <concept id="1070534370425" name="jetbrains.mps.baseLanguage.structure.IntegerType" flags="in" index="10Oyi0" />
       <concept id="1070534436861" name="jetbrains.mps.baseLanguage.structure.FloatType" flags="in" index="10OMs4" />
       <concept id="1070534513062" name="jetbrains.mps.baseLanguage.structure.DoubleType" flags="in" index="10P55v" />
-      <concept id="1070534555686" name="jetbrains.mps.baseLanguage.structure.CharType" flags="in" index="10Pfzv" />
       <concept id="1070534644030" name="jetbrains.mps.baseLanguage.structure.BooleanType" flags="in" index="10P_77" />
       <concept id="1068581517677" name="jetbrains.mps.baseLanguage.structure.VoidType" flags="in" index="3cqZAl" />
     </language>
     <language id="218e40b4-75d4-4de8-83e6-b31e4da8bcee" name="Component">
+      <concept id="6995114377654237973" name="Component.structure.TargetRef" flags="ng" index="2qnlxz">
+        <reference id="8681036974829550525" name="ref" index="mLwqv" />
+      </concept>
+      <concept id="6995114377654237970" name="Component.structure.SourceRef" flags="ng" index="2qnlx$">
+        <reference id="8681036974829550523" name="ref" index="mLwqp" />
+      </concept>
       <concept id="5685633502229650428" name="Component.structure.Parameter" flags="ng" index="2D$zpR">
         <child id="5685633502229650435" name="type" index="2D$z68" />
       </concept>
@@ -23,10 +28,6 @@
       <concept id="3475673830596210328" name="Component.structure.IPortRef" flags="ng" index="FWJLR">
         <reference id="3475673830596210329" name="port" index="FWJLQ" />
       </concept>
-      <concept id="8922660669739446244" name="Component.structure.PositionPersistance" flags="ng" index="2GY8tY">
-        <property id="8922660669739446504" name="x" index="2GY9xM" />
-        <property id="8922660669739446510" name="y" index="2GY9xO" />
-      </concept>
       <concept id="8922660669739453892" name="Component.structure.InterfaceGroup" flags="ng" index="2GYelu">
         <property id="8922660669739453980" name="interfaceSide" index="2GYeq6" />
         <property id="8922660669739453961" name="interfaceName" index="2GYeqj" />
@@ -51,6 +52,7 @@
       <concept id="1695646464731827429" name="Component.structure.OutputPort" flags="ng" index="3tteAs" />
       <concept id="1695646464731827419" name="Component.structure.System" flags="ng" index="3tteAy">
         <child id="1695646464731852539" name="components" index="3ttgI2" />
+        <child id="1695646464731852542" name="connections" index="3ttgI7" />
       </concept>
       <concept id="1695646464731827418" name="Component.structure.Component" flags="ng" index="3tteAz">
         <child id="6055303931582182327" name="lifeCycle" index="2WWV5w" />
@@ -59,6 +61,10 @@
         <child id="1695646464731834599" name="properties" index="3ttcQu" />
       </concept>
       <concept id="1695646464731827421" name="Component.structure.InputPort" flags="ng" index="3tteA$" />
+      <concept id="1695646464731827420" name="Component.structure.Connection" flags="ng" index="3tteA_">
+        <child id="6995114377654228782" name="sources" index="2qnnho" />
+        <child id="6995114377654228777" name="targets" index="2qnnhv" />
+      </concept>
       <concept id="1695646464731827422" name="Component.structure.IPort" flags="ng" index="3tteAB">
         <child id="6776104396491580446" name="type" index="17RAGi" />
       </concept>
@@ -102,7 +108,7 @@
     <node concept="3tteAs" id="378Eyp8SftS" role="3ttcQl">
       <property role="1T6LxX" value="378Eyp8OV9o/Output" />
       <property role="TrG5h" value="out" />
-      <node concept="10P55v" id="378Eyp8Sfu0" role="17RAGi" />
+      <node concept="10P_77" id="7xTfi9IQmcF" role="17RAGi" />
     </node>
     <node concept="2D$KjL" id="4VBroJBt7i0" role="2WWV5w" />
   </node>
@@ -209,13 +215,17 @@
       <node concept="10Oyi0" id="6$nW1kaHSra" role="3ttcR6" />
     </node>
     <node concept="3tteA$" id="6$nW1kaIxjd" role="3ttcQl">
-      <property role="TrG5h" value="sdds" />
-      <node concept="10OMs4" id="6$nW1kaIxjh" role="17RAGi" />
+      <property role="TrG5h" value="in_a" />
+      <node concept="10P55v" id="4ZG2dyB3jeY" role="17RAGi" />
     </node>
     <node concept="3tteAs" id="6$nW1kaIxjo" role="3ttcQl">
       <property role="1T6LxX" value="378Eyp8OV9o/Output" />
-      <property role="TrG5h" value="sdsd" />
-      <node concept="10Pfzv" id="6$nW1kaIxjw" role="17RAGi" />
+      <property role="TrG5h" value="out_a" />
+      <node concept="10P55v" id="4ZG2dyB3jf3" role="17RAGi" />
+    </node>
+    <node concept="3tteA$" id="WGF6qQVg7w" role="3ttcQl">
+      <property role="TrG5h" value="in_float" />
+      <node concept="10OMs4" id="WGF6qQVg7E" role="17RAGi" />
     </node>
     <node concept="3tteAg" id="6$nW1kaIxjz" role="3ttcQt">
       <property role="TrG5h" value="sd" />
@@ -230,60 +240,121 @@
       </node>
     </node>
   </node>
-  <node concept="3tteAy" id="6$nW1kaIxk7">
-    <property role="TrG5h" value="Example1" />
-    <node concept="2WYcwU" id="1hgkK4Uo0SG" role="3ttgI2">
-      <property role="TrG5h" value="Gazebo" />
+  <node concept="3tteAy" id="7xTfi9HV0b6">
+    <property role="TrG5h" value="system" />
+    <node concept="3tteA_" id="7xTfi9HWC_W" role="3ttgI7">
+      <property role="TrG5h" value="name" />
+      <node concept="2qnlxz" id="7xTfi9IN3qL" role="2qnnhv">
+        <ref role="mLwqv" node="7xTfi9HV0bP" />
+      </node>
+      <node concept="2qnlxz" id="7xTfi9IN3qR" role="2qnnhv">
+        <ref role="mLwqv" node="7xTfi9IjrVO" />
+      </node>
+      <node concept="2qnlxz" id="7xTfi9IQmcA" role="2qnnhv">
+        <ref role="mLwqv" node="7xTfi9HV0bf" />
+      </node>
+      <node concept="2qnlx$" id="7xTfi9IN3qV" role="2qnnho">
+        <ref role="mLwqp" node="7xTfi9HV0bQ" />
+      </node>
+      <node concept="2qnlx$" id="7xTfi9IS2bq" role="2qnnho">
+        <ref role="mLwqp" node="7xTfi9IjrVP" />
+      </node>
+    </node>
+    <node concept="3tteA_" id="WGF6qQVg6f" role="3ttgI7">
+      <property role="TrG5h" value="test" />
+      <node concept="2qnlx$" id="WGF6qQVg9a" role="2qnnho">
+        <ref role="mLwqp" node="WGF6qQVg7X" />
+      </node>
+      <node concept="2qnlxz" id="WGF6qQVg9D" role="2qnnhv">
+        <ref role="mLwqv" node="WGF6qQVg7H" />
+      </node>
+      <node concept="2qnlxz" id="WGF6qQX4MZ" role="2qnnhv">
+        <ref role="mLwqv" node="WGF6qQVg8X" />
+      </node>
+    </node>
+    <node concept="2WYcwU" id="7xTfi9HV0b7" role="3ttgI2">
+      <property role="TrG5h" value="gazebo" />
       <ref role="2WYf9R" node="5g8KHvCYcDr" resolve="RTTGazeboEmbedded" />
-      <node concept="2WYd3i" id="1hgkK4Uo0SN" role="2WYf99">
+      <node concept="2WYd3i" id="7xTfi9HV0bc" role="2WYf99">
         <ref role="2WYd3v" node="5g8KHvCYcDs" resolve="period" />
       </node>
-      <node concept="2WYd3i" id="1hgkK4Uo0SO" role="2WYf99">
+      <node concept="2WYd3i" id="7xTfi9HV0bd" role="2WYf99">
         <ref role="2WYd3v" node="5g8KHvCYcDu" resolve="priority" />
       </node>
-      <node concept="2WYd3i" id="1hgkK4Uo0SP" role="2WYf99">
+      <node concept="2WYd3i" id="7xTfi9HV0be" role="2WYf99">
         <ref role="2WYd3v" node="5g8KHvCYcDQ" resolve="debug" />
       </node>
-      <node concept="2GY8tY" id="1hgkK4Uo0Th" role="lGtFl">
-        <property role="2GY9xM" value="135.0" />
-        <property role="2GY9xO" value="24.0" />
-      </node>
-      <node concept="FWJLR" id="Ot_Fc7xnD3" role="l9eUl">
+      <node concept="FWJLR" id="7xTfi9HV0bf" role="l9eUl">
         <ref role="FWJLQ" node="378Eyp8SftH" resolve="in" />
       </node>
-      <node concept="FWJLR" id="Ot_Fc7xnD4" role="l9eUl">
+      <node concept="FWJLR" id="7xTfi9HV0bg" role="l9eUl">
         <ref role="FWJLQ" node="378Eyp8SftS" resolve="out" />
       </node>
     </node>
-    <node concept="2WYcwU" id="6TPUf_HJgP$" role="3ttgI2">
+    <node concept="2WYcwU" id="7xTfi9HV0bC" role="3ttgI2">
       <property role="TrG5h" value="test" />
-      <ref role="2WYf9R" node="6vNV_8a48bI" resolve="TorqueController" />
-      <node concept="2WYd3i" id="6TPUf_HJgPK" role="2WYf99">
-        <ref role="2WYd3v" node="6vNV_8a48bJ" resolve="period" />
+      <ref role="2WYf9R" node="6$nW1kaHSr6" resolve="TestViewComp" />
+      <node concept="2WYd3i" id="7xTfi9HV0bN" role="2WYf99">
+        <ref role="2WYd3v" node="6$nW1kaHSr7" resolve="period" />
       </node>
-      <node concept="2WYd3i" id="6TPUf_HJgPL" role="2WYf99">
-        <ref role="2WYd3v" node="6vNV_8a48bL" resolve="priority" />
+      <node concept="2WYd3i" id="7xTfi9HV0bO" role="2WYf99">
+        <ref role="2WYd3v" node="6$nW1kaHSr9" resolve="priority" />
       </node>
-      <node concept="FWJLR" id="6TPUf_HJgPM" role="l9eUl">
-        <ref role="FWJLQ" node="6vNV_8a48bN" resolve="out" />
+      <node concept="FWJLR" id="7xTfi9HV0bP" role="l9eUl">
+        <ref role="FWJLQ" node="6$nW1kaIxjd" resolve="in_a" />
       </node>
-      <node concept="FWJLR" id="6TPUf_HJgPN" role="l9eUl">
-        <ref role="FWJLQ" node="3ia1uDcsmOC" resolve="refCommand" />
+      <node concept="FWJLR" id="7xTfi9HV0bQ" role="l9eUl">
+        <ref role="FWJLQ" node="6$nW1kaIxjo" resolve="out_a" />
+      </node>
+      <node concept="FWJLR" id="WGF6qQVg7H" role="l9eUl">
+        <ref role="FWJLQ" node="WGF6qQVg7w" resolve="in_float" />
+      </node>
+    </node>
+    <node concept="2WYcwU" id="7xTfi9IjrVy" role="3ttgI2">
+      <property role="TrG5h" value="test_1" />
+      <ref role="2WYf9R" node="6$nW1kaHSr6" resolve="TestViewComp" />
+      <node concept="2WYd3i" id="7xTfi9IjrVM" role="2WYf99">
+        <ref role="2WYd3v" node="6$nW1kaHSr7" resolve="period" />
+      </node>
+      <node concept="2WYd3i" id="7xTfi9IjrVN" role="2WYf99">
+        <ref role="2WYd3v" node="6$nW1kaHSr9" resolve="priority" />
+      </node>
+      <node concept="FWJLR" id="7xTfi9IjrVO" role="l9eUl">
+        <ref role="FWJLQ" node="6$nW1kaIxjd" resolve="in_a" />
+      </node>
+      <node concept="FWJLR" id="7xTfi9IjrVP" role="l9eUl">
+        <ref role="FWJLQ" node="6$nW1kaIxjo" resolve="out_a" />
+      </node>
+      <node concept="FWJLR" id="WGF6qQVg7L" role="l9eUl">
+        <ref role="FWJLQ" node="WGF6qQVg7w" resolve="in_float" />
+      </node>
+    </node>
+    <node concept="2WYcwU" id="WGF6qQVg6H" role="3ttgI2">
+      <property role="TrG5h" value="meta_controller" />
+      <ref role="2WYf9R" node="3ia1uDcsmYp" resolve="MetaController" />
+      <node concept="2WYd3i" id="WGF6qQVg7V" role="2WYf99">
+        <ref role="2WYd3v" node="3ia1uDcsmYq" resolve="period" />
+      </node>
+      <node concept="2WYd3i" id="WGF6qQVg7W" role="2WYf99">
+        <ref role="2WYd3v" node="3ia1uDcsmYs" resolve="priority" />
+      </node>
+      <node concept="FWJLR" id="WGF6qQVg7X" role="l9eUl">
+        <ref role="FWJLQ" node="3ia1uDcsmYu" resolve="highLvlCmd" />
       </node>
     </node>
-    <node concept="2WYcwU" id="6TPUf_HJkgS" role="3ttgI2">
-      <property role="TrG5h" value="aaa" />
+    <node concept="2WYcwU" id="WGF6qQVg8v" role="3ttgI2">
+      <property role="TrG5h" value="torque" />
       <ref role="2WYf9R" node="6vNV_8a48bI" resolve="TorqueController" />
-      <node concept="2WYd3i" id="6TPUf_HJkh9" role="2WYf99">
+      <node concept="2WYd3i" id="WGF6qQVg8U" role="2WYf99">
         <ref role="2WYd3v" node="6vNV_8a48bJ" resolve="period" />
       </node>
-      <node concept="2WYd3i" id="6TPUf_HJkha" role="2WYf99">
+      <node concept="2WYd3i" id="WGF6qQVg8V" role="2WYf99">
         <ref role="2WYd3v" node="6vNV_8a48bL" resolve="priority" />
       </node>
-      <node concept="FWJLR" id="6TPUf_HJkhb" role="l9eUl">
+      <node concept="FWJLR" id="WGF6qQVg8W" role="l9eUl">
         <ref role="FWJLQ" node="6vNV_8a48bN" resolve="out" />
       </node>
-      <node concept="FWJLR" id="6TPUf_HJkhc" role="l9eUl">
+      <node concept="FWJLR" id="WGF6qQVg8X" role="l9eUl">
         <ref role="FWJLQ" node="3ia1uDcsmOC" resolve="refCommand" />
       </node>
     </node>