diff --git a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking.test.util.mps b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking.test.util.mps
index ee13e7f3..dc3ef520 100644
--- a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking.test.util.mps
+++ b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking.test.util.mps
@@ -277,7 +277,6 @@
       <concept id="1226511727824" name="jetbrains.mps.baseLanguage.collections.structure.SetType" flags="in" index="2hMVRd">
         <child id="1226511765987" name="elementType" index="2hN53Y" />
       </concept>
-      <concept id="1226516258405" name="jetbrains.mps.baseLanguage.collections.structure.HashSetCreator" flags="nn" index="2i4dXS" />
       <concept id="1151688443754" name="jetbrains.mps.baseLanguage.collections.structure.ListType" flags="in" index="_YKpA">
         <child id="1151688676805" name="elementType" index="_ZDj9" />
       </concept>
@@ -304,6 +303,7 @@
       <concept id="1160600644654" name="jetbrains.mps.baseLanguage.collections.structure.ListCreatorWithInit" flags="nn" index="Tc6Ow" />
       <concept id="1160612413312" name="jetbrains.mps.baseLanguage.collections.structure.AddElementOperation" flags="nn" index="TSZUe" />
       <concept id="1162935959151" name="jetbrains.mps.baseLanguage.collections.structure.GetSizeOperation" flags="nn" index="34oBXx" />
+      <concept id="1201872418428" name="jetbrains.mps.baseLanguage.collections.structure.GetKeysOperation" flags="nn" index="3lbrtF" />
       <concept id="1197683403723" name="jetbrains.mps.baseLanguage.collections.structure.MapType" flags="in" index="3rvAFt">
         <child id="1197683466920" name="keyType" index="3rvQeY" />
         <child id="1197683475734" name="valueType" index="3rvSg0" />
@@ -1042,44 +1042,15 @@
             </node>
           </node>
         </node>
-        <node concept="3clFbF" id="tyIfzC2Rgt" role="3cqZAp">
-          <node concept="37vLTI" id="tyIfzC3hE1" role="3clFbG">
-            <node concept="2OqwBi" id="tyIfzC2R_5" role="37vLTJ">
-              <node concept="Xjq3P" id="tyIfzC2Rgr" role="2Oq$k0" />
-              <node concept="2OwXpG" id="7gOEBI$isFr" role="2OqNvi">
-                <ref role="2Oxat5" node="7gOEBI$iq9Z" resolve="types" />
-              </node>
-            </node>
-            <node concept="2ShNRf" id="tyIfzC3ino" role="37vLTx">
-              <node concept="3rGOSV" id="tyIfzC3inp" role="2ShVmc">
-                <node concept="3uibUv" id="tyIfzC3inq" role="3rHrn6">
-                  <ref role="3uigEE" to="mhbf:~SNodeReference" resolve="SNodeReference" />
-                </node>
-                <node concept="3Tqbb2" id="tyIfzC3inr" role="3rHtpV" />
-              </node>
+        <node concept="3clFbF" id="5x3We8IHdyZ" role="3cqZAp">
+          <node concept="1rXfSq" id="5x3We8IHdyX" role="3clFbG">
+            <ref role="37wK5l" node="5x3We8IGXlS" resolve="resetCollected" />
+            <node concept="37vLTw" id="5x3We8IHkHb" role="37wK5m">
+              <ref role="3cqZAo" node="2u_o41fHAx2" resolve="withTraceLog" />
             </node>
           </node>
         </node>
-        <node concept="3clFbF" id="4aLjyB0Z7Zf" role="3cqZAp">
-          <node concept="37vLTI" id="4aLjyB0Za$d" role="3clFbG">
-            <node concept="2ShNRf" id="4aLjyB0Zd5u" role="37vLTx">
-              <node concept="1pGfFk" id="2u_o41fHOFx" role="2ShVmc">
-                <ref role="37wK5l" node="2u_o41fHOfi" resolve="IncrementalLaunchHelper.RuleMatchTrace" />
-                <node concept="37vLTw" id="2u_o41fI4cg" role="37wK5m">
-                  <ref role="3cqZAo" node="2u_o41fHAx2" resolve="withTraceLog" />
-                </node>
-              </node>
-            </node>
-            <node concept="2OqwBi" id="4aLjyB0Z94Z" role="37vLTJ">
-              <node concept="Xjq3P" id="4aLjyB0Z7Zd" role="2Oq$k0" />
-              <node concept="2OwXpG" id="4aLjyB0Z9Gj" role="2OqNvi">
-                <ref role="2Oxat5" node="4aLjyB0YZFj" resolve="trace" />
-              </node>
-            </node>
-          </node>
-        </node>
-        <node concept="3clFbH" id="2u_o41fI1PV" role="3cqZAp" />
-        <node concept="3clFbH" id="3irtEZPzUIJ" role="3cqZAp" />
+        <node concept="3clFbH" id="5x3We8IHbvk" role="3cqZAp" />
         <node concept="3cpWs8" id="6$7vuu2ujxQ" role="3cqZAp">
           <node concept="3cpWsn" id="6$7vuu2ujxR" role="3cpWs9">
             <property role="TrG5h" value="res" />
@@ -1194,14 +1165,17 @@
                             </node>
                           </node>
                           <node concept="3clFbF" id="1laj_RSCq4o" role="3cqZAp">
-                            <node concept="2OqwBi" id="1laj_RSCq4p" role="3clFbG">
-                              <node concept="37vLTw" id="1laj_RSCq4q" role="2Oq$k0">
-                                <ref role="3cqZAo" node="3o9wrC3yh0W" resolve="failedNodes" />
+                            <node concept="37vLTI" id="7yV79t$Gptw" role="3clFbG">
+                              <node concept="37vLTw" id="7yV79t$GpMd" role="37vLTx">
+                                <ref role="3cqZAo" node="1laj_RSC4Bo" resolve="feedback" />
                               </node>
-                              <node concept="TSZUe" id="1laj_RSCq4r" role="2OqNvi">
-                                <node concept="37vLTw" id="1laj_RSCq4s" role="25WWJ7">
+                              <node concept="3EllGN" id="7yV79t$Gp01" role="37vLTJ">
+                                <node concept="37vLTw" id="7yV79t$GpdX" role="3ElVtu">
                                   <ref role="3cqZAo" node="1laj_RSCq4i" resolve="target" />
                                 </node>
+                                <node concept="37vLTw" id="1laj_RSCq4q" role="3ElQJh">
+                                  <ref role="3cqZAo" node="3o9wrC3yh0W" resolve="failures" />
+                                </node>
                               </node>
                             </node>
                           </node>
@@ -1303,14 +1277,83 @@
         <node concept="3Tqbb2" id="tyIfzC10eM" role="3rvSg0" />
       </node>
     </node>
+    <node concept="2tJIrI" id="5x3We8IGOEc" role="jymVt" />
+    <node concept="3clFb_" id="5x3We8IGXlS" role="jymVt">
+      <property role="TrG5h" value="resetCollected" />
+      <node concept="37vLTG" id="5x3We8IHhJH" role="3clF46">
+        <property role="TrG5h" value="withTraceLog" />
+        <node concept="10P_77" id="5x3We8IHhL6" role="1tU5fm" />
+      </node>
+      <node concept="3clFbS" id="5x3We8IGXlV" role="3clF47">
+        <node concept="3clFbF" id="tyIfzC2Rgt" role="3cqZAp">
+          <node concept="37vLTI" id="tyIfzC3hE1" role="3clFbG">
+            <node concept="2OqwBi" id="tyIfzC2R_5" role="37vLTJ">
+              <node concept="Xjq3P" id="tyIfzC2Rgr" role="2Oq$k0" />
+              <node concept="2OwXpG" id="7gOEBI$isFr" role="2OqNvi">
+                <ref role="2Oxat5" node="7gOEBI$iq9Z" resolve="types" />
+              </node>
+            </node>
+            <node concept="2ShNRf" id="tyIfzC3ino" role="37vLTx">
+              <node concept="3rGOSV" id="tyIfzC3inp" role="2ShVmc">
+                <node concept="3uibUv" id="tyIfzC3inq" role="3rHrn6">
+                  <ref role="3uigEE" to="mhbf:~SNodeReference" resolve="SNodeReference" />
+                </node>
+                <node concept="3Tqbb2" id="tyIfzC3inr" role="3rHtpV" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbF" id="4aLjyB0Z7Zf" role="3cqZAp">
+          <node concept="37vLTI" id="4aLjyB0Za$d" role="3clFbG">
+            <node concept="2ShNRf" id="4aLjyB0Zd5u" role="37vLTx">
+              <node concept="1pGfFk" id="2u_o41fHOFx" role="2ShVmc">
+                <ref role="37wK5l" node="2u_o41fHOfi" resolve="IncrementalLaunchHelper.RuleMatchTrace" />
+                <node concept="37vLTw" id="5x3We8IHkte" role="37wK5m">
+                  <ref role="3cqZAo" node="5x3We8IHhJH" resolve="withTraceLog" />
+                </node>
+              </node>
+            </node>
+            <node concept="2OqwBi" id="4aLjyB0Z94Z" role="37vLTJ">
+              <node concept="Xjq3P" id="4aLjyB0Z7Zd" role="2Oq$k0" />
+              <node concept="2OwXpG" id="4aLjyB0Z9Gj" role="2OqNvi">
+                <ref role="2Oxat5" node="4aLjyB0YZFj" resolve="trace" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbF" id="5x3We8IH2Xq" role="3cqZAp">
+          <node concept="37vLTI" id="5x3We8IH5GM" role="3clFbG">
+            <node concept="2ShNRf" id="5x3We8IH63$" role="37vLTx">
+              <node concept="3rGOSV" id="5x3We8IH7IF" role="2ShVmc">
+                <node concept="3Tqbb2" id="5x3We8IH8uO" role="3rHrn6" />
+                <node concept="3uibUv" id="5x3We8IH8ju" role="3rHtpV">
+                  <ref role="3uigEE" to="w7la:~EvaluationFeedback" resolve="EvaluationFeedback" />
+                </node>
+              </node>
+            </node>
+            <node concept="2OqwBi" id="5x3We8IH4fM" role="37vLTJ">
+              <node concept="Xjq3P" id="5x3We8IH2Xo" role="2Oq$k0" />
+              <node concept="2OwXpG" id="5x3We8IH4pb" role="2OqNvi">
+                <ref role="2Oxat5" node="3o9wrC3yh0W" resolve="failures" />
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="3Tm6S6" id="5x3We8IGTK4" role="1B3o_S" />
+      <node concept="3cqZAl" id="5x3We8IH0WZ" role="3clF45" />
+    </node>
     <node concept="2tJIrI" id="3o9wrC3ywav" role="jymVt" />
     <node concept="3clFb_" id="3o9wrC3y$h_" role="jymVt">
       <property role="TrG5h" value="getFailedNodes" />
       <node concept="3clFbS" id="3o9wrC3y$hC" role="3clF47">
         <node concept="3cpWs6" id="3o9wrC3yAWo" role="3cqZAp">
           <node concept="2OqwBi" id="1laj_RSCgeO" role="3cqZAk">
-            <node concept="37vLTw" id="1laj_RSCeA6" role="2Oq$k0">
-              <ref role="3cqZAo" node="3o9wrC3yh0W" resolve="failedNodes" />
+            <node concept="2OqwBi" id="7yV79t$FNbg" role="2Oq$k0">
+              <node concept="37vLTw" id="1laj_RSCeA6" role="2Oq$k0">
+                <ref role="3cqZAo" node="3o9wrC3yh0W" resolve="failures" />
+              </node>
+              <node concept="3lbrtF" id="7yV79t$FRay" role="2OqNvi" />
             </node>
             <node concept="26Dbio" id="1laj_RSCi2Y" role="2OqNvi" />
           </node>
@@ -1321,6 +1364,24 @@
         <node concept="3Tqbb2" id="3o9wrC3LAi$" role="2hN53Y" />
       </node>
     </node>
+    <node concept="2tJIrI" id="7yV79t$FTB1" role="jymVt" />
+    <node concept="3clFb_" id="7yV79t$G9jH" role="jymVt">
+      <property role="TrG5h" value="getFailures" />
+      <node concept="3clFbS" id="7yV79t$G9jK" role="3clF47">
+        <node concept="3cpWs6" id="7yV79t$Gf$Q" role="3cqZAp">
+          <node concept="37vLTw" id="7yV79t$GfAU" role="3cqZAk">
+            <ref role="3cqZAo" node="3o9wrC3yh0W" resolve="failures" />
+          </node>
+        </node>
+      </node>
+      <node concept="3Tm1VV" id="7yV79t$G2h0" role="1B3o_S" />
+      <node concept="3rvAFt" id="7yV79t$G8FU" role="3clF45">
+        <node concept="3Tqbb2" id="7yV79t$G90_" role="3rvQeY" />
+        <node concept="3uibUv" id="7yV79t$G9ak" role="3rvSg0">
+          <ref role="3uigEE" to="w7la:~EvaluationFeedback" resolve="EvaluationFeedback" />
+        </node>
+      </node>
+    </node>
     <node concept="2tJIrI" id="tyIfzC3uC1" role="jymVt" />
     <node concept="3clFb_" id="tyIfzC3x3f" role="jymVt">
       <property role="TrG5h" value="produceProgram" />
@@ -2132,14 +2193,20 @@
     </node>
     <node concept="2tJIrI" id="tyIfzC1AUa" role="jymVt" />
     <node concept="312cEg" id="3o9wrC3yh0W" role="jymVt">
-      <property role="TrG5h" value="failedNodes" />
+      <property role="TrG5h" value="failures" />
       <node concept="3Tm6S6" id="1laj_RSCbgu" role="1B3o_S" />
-      <node concept="2hMVRd" id="3o9wrC3$8hI" role="1tU5fm">
-        <node concept="3Tqbb2" id="3o9wrC3Lzn4" role="2hN53Y" />
-      </node>
       <node concept="2ShNRf" id="3o9wrC3$bKM" role="33vP2m">
-        <node concept="2i4dXS" id="3o9wrC3$bTV" role="2ShVmc">
-          <node concept="3Tqbb2" id="3o9wrC3L$OV" role="HW$YZ" />
+        <node concept="3rGOSV" id="7yV79t$FEXl" role="2ShVmc">
+          <node concept="3Tqbb2" id="7yV79t$FHxg" role="3rHrn6" />
+          <node concept="3uibUv" id="7yV79t$FKpc" role="3rHtpV">
+            <ref role="3uigEE" to="w7la:~EvaluationFeedback" resolve="EvaluationFeedback" />
+          </node>
+        </node>
+      </node>
+      <node concept="3rvAFt" id="7yV79t$FpTu" role="1tU5fm">
+        <node concept="3Tqbb2" id="7yV79t$Fsy$" role="3rvQeY" />
+        <node concept="3uibUv" id="7yV79t$Fv7H" role="3rvSg0">
+          <ref role="3uigEE" to="w7la:~EvaluationFeedback" resolve="EvaluationFeedback" />
         </node>
       </node>
     </node>
diff --git a/samples/mpscore/solutions/jetbrains.mps.baseLanguageExt.test/models/jetbrains.mps.baseLanguageExt.test.incremental@tests.mps b/samples/mpscore/solutions/jetbrains.mps.baseLanguageExt.test/models/jetbrains.mps.baseLanguageExt.test.incremental@tests.mps
index 8db942e3..33656f6b 100644
--- a/samples/mpscore/solutions/jetbrains.mps.baseLanguageExt.test/models/jetbrains.mps.baseLanguageExt.test.incremental@tests.mps
+++ b/samples/mpscore/solutions/jetbrains.mps.baseLanguageExt.test/models/jetbrains.mps.baseLanguageExt.test.incremental@tests.mps
@@ -287,7 +287,9 @@
       <concept id="1140131837776" name="jetbrains.mps.lang.smodel.structure.Node_ReplaceWithAnotherOperation" flags="nn" index="1P9Npp">
         <child id="1140131861877" name="replacementNode" index="1P9ThW" />
       </concept>
-      <concept id="1138055754698" name="jetbrains.mps.lang.smodel.structure.SNodeType" flags="in" index="3Tqbb2" />
+      <concept id="1138055754698" name="jetbrains.mps.lang.smodel.structure.SNodeType" flags="in" index="3Tqbb2">
+        <reference id="1138405853777" name="concept" index="ehGHo" />
+      </concept>
       <concept id="1138056143562" name="jetbrains.mps.lang.smodel.structure.SLinkAccess" flags="nn" index="3TrEf2">
         <reference id="1138056516764" name="link" index="3Tt5mk" />
       </concept>
@@ -358,6 +360,7 @@
         <child id="1237721435807" name="elementType" index="HW$YZ" />
         <child id="1237731803878" name="copyFrom" index="I$8f6" />
       </concept>
+      <concept id="1227026082377" name="jetbrains.mps.baseLanguage.collections.structure.RemoveFirstElementOperation" flags="nn" index="2Kt2Hk" />
       <concept id="1201306600024" name="jetbrains.mps.baseLanguage.collections.structure.ContainsKeyOperation" flags="nn" index="2Nt0df">
         <child id="1201654602639" name="key" index="38cxEo" />
       </concept>
@@ -2320,6 +2323,51 @@
             <ref role="3uigEE" node="7612DkLGx_m" resolve="DemoBounds.B" />
           </node>
         </node>
+        <node concept="2tJIrI" id="72$UyHmcEk6" role="jymVt" />
+        <node concept="312cEu" id="72$UyHmcGyJ" role="jymVt">
+          <property role="TrG5h" value="G" />
+          <node concept="3Tm1VV" id="72$UyHmcFPH" role="1B3o_S" />
+          <node concept="3xLA65" id="72$UyHmcN5L" role="lGtFl">
+            <property role="TrG5h" value="GCls" />
+          </node>
+        </node>
+        <node concept="2tJIrI" id="5CtCSoNTp5W" role="jymVt" />
+        <node concept="3clFb_" id="72$UyHmcLmx" role="jymVt">
+          <property role="TrG5h" value="fooG" />
+          <node concept="37vLTG" id="72$UyHmcM7M" role="3clF46">
+            <property role="TrG5h" value="gParam" />
+            <node concept="3uibUv" id="72$UyHmcMB5" role="1tU5fm">
+              <ref role="3uigEE" node="72$UyHmcGyJ" resolve="DemoBounds.G" />
+              <node concept="3uibUv" id="72$UyHmcMSH" role="11_B2D">
+                <ref role="3uigEE" to="wyt6:~Integer" resolve="Integer" />
+              </node>
+            </node>
+            <node concept="3xLA65" id="72$UyHmcN0m" role="lGtFl">
+              <property role="TrG5h" value="gParam" />
+            </node>
+          </node>
+          <node concept="3clFbS" id="72$UyHmcLm$" role="3clF47">
+            <node concept="3cpWs8" id="5CtCSoNTpWx" role="3cqZAp">
+              <node concept="3cpWsn" id="5CtCSoNTpWy" role="3cpWs9">
+                <property role="TrG5h" value="t1" />
+                <node concept="3uibUv" id="5CtCSoNTpWv" role="1tU5fm">
+                  <ref role="3uigEE" node="72$UyHmcGyJ" resolve="DemoBounds.G" />
+                  <node concept="3uibUv" id="5CtCSoNTpYU" role="11_B2D">
+                    <ref role="3uigEE" to="wyt6:~Integer" resolve="Integer" />
+                  </node>
+                </node>
+                <node concept="37vLTw" id="5CtCSoNTuf9" role="33vP2m">
+                  <ref role="3cqZAo" node="72$UyHmcM7M" resolve="gParam" />
+                </node>
+                <node concept="3xLA65" id="5CtCSoNTukE" role="lGtFl">
+                  <property role="TrG5h" value="gLocal" />
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="3Tm1VV" id="72$UyHmcKz_" role="1B3o_S" />
+          <node concept="3cqZAl" id="72$UyHmcLkM" role="3clF45" />
+        </node>
         <node concept="2tJIrI" id="7612DkLGx_t" role="jymVt" />
         <node concept="312cEu" id="7612DkLGx_u" role="jymVt">
           <property role="2bfB8j" value="false" />
@@ -2352,6 +2400,9 @@
           <node concept="16euLQ" id="7612DkLGx_G" role="16eVyc">
             <property role="TrG5h" value="T" />
           </node>
+          <node concept="3xLA65" id="72$UyHm9IC9" role="lGtFl">
+            <property role="TrG5h" value="BoxCls" />
+          </node>
         </node>
         <node concept="2tJIrI" id="3qSM7lhADaG" role="jymVt" />
         <node concept="3clFb_" id="7612DkLDcvF" role="jymVt">
@@ -3248,34 +3299,6 @@
       <property role="TrG5h" value="replaceBadBounds3" />
       <node concept="3cqZAl" id="uau16qvX6v" role="3clF45" />
       <node concept="3clFbS" id="uau16qvX6w" role="3clF47">
-        <node concept="3SKdUt" id="uau16qztoQ" role="3cqZAp">
-          <node concept="1PaTwC" id="uau16qztoR" role="3ndbpf">
-            <node concept="3oM_SD" id="uau16qzwWs" role="1PaTwD">
-              <property role="3oM_SC" value="fixme:" />
-            </node>
-            <node concept="3oM_SD" id="uau16qzwWu" role="1PaTwD">
-              <property role="3oM_SC" value="is" />
-            </node>
-            <node concept="3oM_SD" id="uau16qzwWx" role="1PaTwD">
-              <property role="3oM_SC" value="this" />
-            </node>
-            <node concept="3oM_SD" id="uau16qzwW_" role="1PaTwD">
-              <property role="3oM_SC" value="a" />
-            </node>
-            <node concept="3oM_SD" id="uau16qz$ww" role="1PaTwD">
-              <property role="3oM_SC" value="defect" />
-            </node>
-            <node concept="3oM_SD" id="uau16qz$wA" role="1PaTwD">
-              <property role="3oM_SC" value="in" />
-            </node>
-            <node concept="3oM_SD" id="uau16qz$wH" role="1PaTwD">
-              <property role="3oM_SC" value="BL" />
-            </node>
-            <node concept="3oM_SD" id="uau16qzC19" role="1PaTwD">
-              <property role="3oM_SC" value="typechecking?" />
-            </node>
-          </node>
-        </node>
         <node concept="3clFbF" id="uau16qvIU0" role="3cqZAp">
           <node concept="2OqwBi" id="uau16qvIU1" role="3clFbG">
             <node concept="2WthIp" id="uau16qvIU2" role="2Oq$k0" />
@@ -3525,120 +3548,382 @@
         </node>
       </node>
     </node>
-    <node concept="1LZb2c" id="6fTgyZtLmmk" role="1SL9yI">
-      <property role="TrG5h" value="scratchpad" />
-      <node concept="3cqZAl" id="6fTgyZtLmml" role="3clF45" />
-      <node concept="3clFbS" id="6fTgyZtLmmp" role="3clF47">
-        <node concept="3cpWs8" id="6fTgyZtLsvm" role="3cqZAp">
-          <node concept="3cpWsn" id="6fTgyZtLsvn" role="3cpWs9">
+    <node concept="1LZb2c" id="72$UyHm9GWE" role="1SL9yI">
+      <property role="TrG5h" value="changeDeclaredTypevars" />
+      <node concept="3cqZAl" id="72$UyHm9GWF" role="3clF45" />
+      <node concept="3clFbS" id="72$UyHm9GWJ" role="3clF47">
+        <node concept="3cpWs8" id="72$UyHm9JJv" role="3cqZAp">
+          <node concept="3cpWsn" id="72$UyHm9JJw" role="3cpWs9">
             <property role="TrG5h" value="typecheckRoot" />
-            <node concept="3Tqbb2" id="6fTgyZtLsvo" role="1tU5fm" />
-            <node concept="3xONca" id="6fTgyZtLxwC" role="33vP2m">
-              <ref role="3xOPvv" node="2FNFm8neJum" resolve="demo2" />
+            <node concept="3Tqbb2" id="72$UyHm9JJx" role="1tU5fm" />
+            <node concept="3xONca" id="72$UyHm9KhJ" role="33vP2m">
+              <ref role="3xOPvv" node="7612DkLDcwk" resolve="demoBounds" />
             </node>
           </node>
         </node>
-        <node concept="3cpWs8" id="6fTgyZtLsvq" role="3cqZAp">
-          <node concept="3cpWsn" id="6fTgyZtLsvr" role="3cpWs9">
-            <property role="TrG5h" value="testNode" />
-            <node concept="3Tqbb2" id="6fTgyZtLsvs" role="1tU5fm" />
-            <node concept="3xONca" id="6fTgyZtLx_7" role="33vP2m">
-              <ref role="3xOPvv" node="2u_o41fMOlW" resolve="fooCall" />
+        <node concept="3cpWs8" id="72$UyHm9JJz" role="3cqZAp">
+          <node concept="3cpWsn" id="72$UyHm9JJ$" role="3cpWs9">
+            <property role="TrG5h" value="paramDecl" />
+            <node concept="3Tqbb2" id="72$UyHm9JJ_" role="1tU5fm">
+              <ref role="ehGHo" to="tpee:fz7vLUk" resolve="ParameterDeclaration" />
+            </node>
+            <node concept="3xONca" id="72$UyHmcNCv" role="33vP2m">
+              <ref role="3xOPvv" node="72$UyHmcN0m" resolve="gParam" />
             </node>
           </node>
         </node>
-        <node concept="3clFbH" id="6fTgyZtLsvu" role="3cqZAp" />
-        <node concept="3clFbF" id="6fTgyZtMlGa" role="3cqZAp">
-          <node concept="2OqwBi" id="6fTgyZtMlTn" role="3clFbG">
-            <node concept="3xONca" id="6fTgyZtMlG8" role="2Oq$k0">
-              <ref role="3xOPvv" node="4gFYEnZAdZk" resolve="fooArg" />
-            </node>
-            <node concept="1P9Npp" id="6fTgyZtMqXr" role="2OqNvi">
-              <node concept="2c44tf" id="6fTgyZtMqZN" role="1P9ThW">
-                <node concept="37vLTw" id="6fTgyZtMqZO" role="2c44tc">
-                  <ref role="3cqZAo" node="3o9wrC3SOW$" resolve="bArgBad" />
-                </node>
-              </node>
-            </node>
-          </node>
-        </node>
-        <node concept="3cpWs8" id="6fTgyZtLsvv" role="3cqZAp">
-          <node concept="3cpWsn" id="6fTgyZtLsvw" role="3cpWs9">
+        <node concept="3clFbH" id="72$UyHm9JJB" role="3cqZAp" />
+        <node concept="3cpWs8" id="72$UyHm9JJC" role="3cqZAp">
+          <node concept="3cpWsn" id="72$UyHm9JJD" role="3cpWs9">
             <property role="TrG5h" value="launcher" />
-            <node concept="3uibUv" id="6fTgyZtLsvx" role="1tU5fm">
+            <node concept="3uibUv" id="72$UyHm9JJE" role="1tU5fm">
               <ref role="3uigEE" to="hfva:tyIfzC0ZNj" resolve="IncrementalLaunchHelper" />
             </node>
-            <node concept="2YIFZM" id="6fTgyZtLsvy" role="33vP2m">
-              <ref role="37wK5l" to="hfva:2FNFm8neYtH" resolve="getLauncher" />
+            <node concept="2YIFZM" id="72$UyHm9JJF" role="33vP2m">
               <ref role="1Pybhc" to="hfva:tyIfzC0ZNj" resolve="IncrementalLaunchHelper" />
-              <node concept="37vLTw" id="6fTgyZtLsvz" role="37wK5m">
-                <ref role="3cqZAo" node="6fTgyZtLsvn" resolve="typecheckRoot" />
+              <ref role="37wK5l" to="hfva:2FNFm8neYtH" resolve="getLauncher" />
+              <node concept="37vLTw" id="72$UyHm9JJG" role="37wK5m">
+                <ref role="3cqZAo" node="72$UyHm9JJw" resolve="typecheckRoot" />
               </node>
             </node>
           </node>
         </node>
-        <node concept="3clFbH" id="6fTgyZtLsv$" role="3cqZAp" />
-        <node concept="3cpWs8" id="6fTgyZtLsv_" role="3cqZAp">
-          <node concept="3cpWsn" id="6fTgyZtLsvA" role="3cpWs9">
+        <node concept="3clFbH" id="72$UyHm9JJH" role="3cqZAp" />
+        <node concept="3cpWs8" id="72$UyHm9JJI" role="3cqZAp">
+          <node concept="3cpWsn" id="72$UyHm9JJJ" role="3cpWs9">
             <property role="TrG5h" value="testNodeRef" />
-            <node concept="3uibUv" id="6fTgyZtLsvB" role="1tU5fm">
+            <node concept="3uibUv" id="72$UyHm9JJK" role="1tU5fm">
               <ref role="3uigEE" to="mhbf:~SNodeReference" resolve="SNodeReference" />
             </node>
-            <node concept="2OqwBi" id="6fTgyZtLsvC" role="33vP2m">
-              <node concept="liA8E" id="6fTgyZtLsvD" role="2OqNvi">
+            <node concept="2OqwBi" id="72$UyHm9JJL" role="33vP2m">
+              <node concept="liA8E" id="72$UyHm9JJM" role="2OqNvi">
                 <ref role="37wK5l" to="mhbf:~SNode.getReference()" resolve="getReference" />
               </node>
-              <node concept="2JrnkZ" id="6fTgyZtLsvE" role="2Oq$k0">
-                <node concept="37vLTw" id="6fTgyZtLsvF" role="2JrQYb">
-                  <ref role="3cqZAo" node="6fTgyZtLsvr" resolve="testNode" />
+              <node concept="2JrnkZ" id="72$UyHm9JJN" role="2Oq$k0">
+                <node concept="37vLTw" id="72$UyHm9JJO" role="2JrQYb">
+                  <ref role="3cqZAo" node="72$UyHm9JJ$" resolve="paramDecl" />
                 </node>
               </node>
             </node>
           </node>
         </node>
-        <node concept="3cpWs8" id="6fTgyZtLsvG" role="3cqZAp">
-          <node concept="3cpWsn" id="6fTgyZtLsvH" role="3cpWs9">
+        <node concept="3cpWs8" id="72$UyHm9JJP" role="3cqZAp">
+          <node concept="3cpWsn" id="72$UyHm9JJQ" role="3cpWs9">
             <property role="TrG5h" value="types0" />
-            <node concept="3rvAFt" id="6fTgyZtLsvI" role="1tU5fm">
-              <node concept="3uibUv" id="6fTgyZtLsvJ" role="3rvQeY">
+            <node concept="3rvAFt" id="72$UyHm9JJR" role="1tU5fm">
+              <node concept="3uibUv" id="72$UyHm9JJS" role="3rvQeY">
                 <ref role="3uigEE" to="mhbf:~SNodeReference" resolve="SNodeReference" />
               </node>
-              <node concept="3Tqbb2" id="6fTgyZtLsvK" role="3rvSg0" />
+              <node concept="3Tqbb2" id="72$UyHm9JJT" role="3rvSg0" />
             </node>
-            <node concept="2OqwBi" id="6fTgyZtLsvL" role="33vP2m">
-              <node concept="liA8E" id="6fTgyZtLsvM" role="2OqNvi">
+            <node concept="2OqwBi" id="72$UyHm9JJU" role="33vP2m">
+              <node concept="liA8E" id="72$UyHm9JJV" role="2OqNvi">
                 <ref role="37wK5l" to="hfva:2u_o41fICWA" resolve="launch" />
-                <node concept="37vLTw" id="6fTgyZtLsvN" role="37wK5m">
-                  <ref role="3cqZAo" node="6fTgyZtLsvn" resolve="typecheckRoot" />
+                <node concept="37vLTw" id="72$UyHm9JJW" role="37wK5m">
+                  <ref role="3cqZAo" node="72$UyHm9JJw" resolve="typecheckRoot" />
                 </node>
               </node>
-              <node concept="37vLTw" id="6fTgyZtLsvO" role="2Oq$k0">
-                <ref role="3cqZAo" node="6fTgyZtLsvw" resolve="launcher" />
+              <node concept="37vLTw" id="72$UyHm9JJX" role="2Oq$k0">
+                <ref role="3cqZAo" node="72$UyHm9JJD" resolve="launcher" />
               </node>
             </node>
           </node>
         </node>
-        <node concept="3clFbF" id="6fTgyZtLsvP" role="3cqZAp">
-          <node concept="2YIFZM" id="6fTgyZtLsvQ" role="3clFbG">
+        <node concept="3clFbF" id="72$UyHm9JJY" role="3cqZAp">
+          <node concept="2YIFZM" id="72$UyHm9JJZ" role="3clFbG">
+            <ref role="1Pybhc" to="hfva:3evPR3EeeoU" resolve="TestInfoPrinter" />
             <ref role="37wK5l" to="hfva:3o9wrC3D5cI" resolve="printInfo" />
-            <ref role="1Pybhc" to="hfva:3evPR3EeeoU" resolve="TestInfoPrinter" />
-            <node concept="37vLTw" id="6fTgyZtLsvR" role="37wK5m">
-              <ref role="3cqZAo" node="6fTgyZtLsvw" resolve="launcher" />
+            <node concept="37vLTw" id="72$UyHm9JK0" role="37wK5m">
+              <ref role="3cqZAo" node="72$UyHm9JJD" resolve="launcher" />
             </node>
           </node>
         </node>
-        <node concept="3clFbF" id="6fTgyZtLJ8C" role="3cqZAp">
-          <node concept="2YIFZM" id="6fTgyZtLJu9" role="3clFbG">
-            <ref role="37wK5l" to="hfva:3o9wrC3YQqP" resolve="printNodes" />
-            <ref role="1Pybhc" to="hfva:3evPR3EeeoU" resolve="TestInfoPrinter" />
-            <node concept="2OqwBi" id="6fTgyZtLJHf" role="37wK5m">
-              <node concept="37vLTw" id="6fTgyZtLJBc" role="2Oq$k0">
-                <ref role="3cqZAo" node="6fTgyZtLsvw" resolve="launcher" />
+        <node concept="3clFbH" id="5CtCSoNTyVV" role="3cqZAp" />
+        <node concept="1X3_iC" id="5CtCSoNUdld" role="lGtFl">
+          <property role="3V$3am" value="statement" />
+          <property role="3V$3ak" value="f3061a53-9226-4cc5-a443-f952ceaf5816/1068580123136/1068581517665" />
+          <node concept="3vwNmj" id="5CtCSoNTylR" role="8Wnug">
+            <node concept="2OqwBi" id="5CtCSoNTylS" role="3vwVQn">
+              <node concept="2OqwBi" id="5CtCSoNTylT" role="2Oq$k0">
+                <node concept="37vLTw" id="5CtCSoNTylU" role="2Oq$k0">
+                  <ref role="3cqZAo" node="72$UyHm9JJD" resolve="launcher" />
+                </node>
+                <node concept="liA8E" id="5CtCSoNTylV" role="2OqNvi">
+                  <ref role="37wK5l" to="hfva:3o9wrC3y$h_" resolve="getFailedNodes" />
+                </node>
               </node>
-              <node concept="liA8E" id="6fTgyZtLP0w" role="2OqNvi">
+              <node concept="3JPx81" id="5CtCSoNTylW" role="2OqNvi">
+                <node concept="3xONca" id="5CtCSoNTzdt" role="25WWJ7">
+                  <ref role="3xOPvv" node="5CtCSoNTukE" resolve="gLocal" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3vwNmj" id="5CtCSoNTv1b" role="3cqZAp">
+          <node concept="2OqwBi" id="5CtCSoNTv1c" role="3vwVQn">
+            <node concept="2OqwBi" id="5CtCSoNTv1d" role="2Oq$k0">
+              <node concept="37vLTw" id="5CtCSoNTv1e" role="2Oq$k0">
+                <ref role="3cqZAo" node="72$UyHm9JJD" resolve="launcher" />
+              </node>
+              <node concept="liA8E" id="5CtCSoNTv1f" role="2OqNvi">
                 <ref role="37wK5l" to="hfva:3o9wrC3y$h_" resolve="getFailedNodes" />
               </node>
             </node>
+            <node concept="3JPx81" id="5CtCSoNTv1g" role="2OqNvi">
+              <node concept="2OqwBi" id="5CtCSoNTv1h" role="25WWJ7">
+                <node concept="37vLTw" id="5CtCSoNTv1i" role="2Oq$k0">
+                  <ref role="3cqZAo" node="72$UyHm9JJ$" resolve="paramDecl" />
+                </node>
+                <node concept="3TrEf2" id="5CtCSoNTv1j" role="2OqNvi">
+                  <ref role="3Tt5mk" to="tpee:4VkOLwjf83e" resolve="type" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="5CtCSoNTFlI" role="3cqZAp" />
+        <node concept="3clFbF" id="5CtCSoNTEDF" role="3cqZAp">
+          <node concept="2OqwBi" id="5CtCSoNTEDG" role="3clFbG">
+            <node concept="2OqwBi" id="5CtCSoNTEDH" role="2Oq$k0">
+              <node concept="3xONca" id="5CtCSoNTEDI" role="2Oq$k0">
+                <ref role="3xOPvv" node="72$UyHmcN5L" resolve="GCls" />
+              </node>
+              <node concept="3Tsc0h" id="5CtCSoNTEDJ" role="2OqNvi">
+                <ref role="3TtcxE" to="tpee:g96eVAe" resolve="typeVariableDeclaration" />
+              </node>
+            </node>
+            <node concept="TSZUe" id="5CtCSoNTEDK" role="2OqNvi">
+              <node concept="2c44tf" id="5CtCSoNTEDD" role="25WWJ7">
+                <node concept="16euLQ" id="5CtCSoNTEDE" role="2c44tc">
+                  <property role="TrG5h" value="T1" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="5CtCSoNTIPU" role="3cqZAp">
+          <node concept="3cpWsn" id="5CtCSoNTIPV" role="3cpWs9">
+            <property role="TrG5h" value="types1" />
+            <node concept="3rvAFt" id="5CtCSoNTIPW" role="1tU5fm">
+              <node concept="3uibUv" id="5CtCSoNTIPX" role="3rvQeY">
+                <ref role="3uigEE" to="mhbf:~SNodeReference" resolve="SNodeReference" />
+              </node>
+              <node concept="3Tqbb2" id="5CtCSoNTIPY" role="3rvSg0" />
+            </node>
+            <node concept="2OqwBi" id="5CtCSoNTIPZ" role="33vP2m">
+              <node concept="liA8E" id="5CtCSoNTIQ0" role="2OqNvi">
+                <ref role="37wK5l" to="hfva:2u_o41fHwMs" resolve="relaunch" />
+                <node concept="37vLTw" id="5CtCSoNTIQ1" role="37wK5m">
+                  <ref role="3cqZAo" node="72$UyHm9JJw" resolve="typecheckRoot" />
+                </node>
+              </node>
+              <node concept="37vLTw" id="5CtCSoNTIQ2" role="2Oq$k0">
+                <ref role="3cqZAo" node="72$UyHm9JJD" resolve="launcher" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="5CtCSoNTKfV" role="3cqZAp" />
+        <node concept="3vFxKo" id="5CtCSoNTL2d" role="3cqZAp">
+          <node concept="2OqwBi" id="5CtCSoNTL2e" role="3vFALc">
+            <node concept="2OqwBi" id="5CtCSoNTL2f" role="2Oq$k0">
+              <node concept="37vLTw" id="5CtCSoNTL2g" role="2Oq$k0">
+                <ref role="3cqZAo" node="72$UyHm9JJD" resolve="launcher" />
+              </node>
+              <node concept="liA8E" id="5CtCSoNTL2h" role="2OqNvi">
+                <ref role="37wK5l" to="hfva:3o9wrC3y$h_" resolve="getFailedNodes" />
+              </node>
+            </node>
+            <node concept="3JPx81" id="5CtCSoNTL2i" role="2OqNvi">
+              <node concept="3xONca" id="5CtCSoNTLI2" role="25WWJ7">
+                <ref role="3xOPvv" node="5CtCSoNTukE" resolve="gLocal" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3vFxKo" id="5CtCSoNTK_7" role="3cqZAp">
+          <node concept="2OqwBi" id="5CtCSoNTK_8" role="3vFALc">
+            <node concept="2OqwBi" id="5CtCSoNTK_9" role="2Oq$k0">
+              <node concept="37vLTw" id="5CtCSoNTK_a" role="2Oq$k0">
+                <ref role="3cqZAo" node="72$UyHm9JJD" resolve="launcher" />
+              </node>
+              <node concept="liA8E" id="5CtCSoNTK_b" role="2OqNvi">
+                <ref role="37wK5l" to="hfva:3o9wrC3y$h_" resolve="getFailedNodes" />
+              </node>
+            </node>
+            <node concept="3JPx81" id="5CtCSoNTK_c" role="2OqNvi">
+              <node concept="2OqwBi" id="5CtCSoNTK_d" role="25WWJ7">
+                <node concept="37vLTw" id="5CtCSoNTK_e" role="2Oq$k0">
+                  <ref role="3cqZAo" node="72$UyHm9JJ$" resolve="paramDecl" />
+                </node>
+                <node concept="3TrEf2" id="5CtCSoNTK_f" role="2OqNvi">
+                  <ref role="3Tt5mk" to="tpee:4VkOLwjf83e" resolve="type" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="72$UyHm9JKg" role="3cqZAp" />
+        <node concept="3clFbF" id="72$UyHm9JKh" role="3cqZAp">
+          <node concept="2OqwBi" id="72$UyHm9PL4" role="3clFbG">
+            <node concept="2OqwBi" id="72$UyHm9MWC" role="2Oq$k0">
+              <node concept="3xONca" id="72$UyHmcNIy" role="2Oq$k0">
+                <ref role="3xOPvv" node="72$UyHmcN5L" resolve="GCls" />
+              </node>
+              <node concept="3Tsc0h" id="72$UyHm9NDG" role="2OqNvi">
+                <ref role="3TtcxE" to="tpee:g96eVAe" resolve="typeVariableDeclaration" />
+              </node>
+            </node>
+            <node concept="TSZUe" id="72$UyHm9SS7" role="2OqNvi">
+              <node concept="2c44tf" id="72$UyHm9Tlx" role="25WWJ7">
+                <node concept="16euLQ" id="72$UyHm9Tsw" role="2c44tc">
+                  <property role="TrG5h" value="T2" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="72$UyHm9W1S" role="3cqZAp">
+          <node concept="3cpWsn" id="72$UyHm9W1T" role="3cpWs9">
+            <property role="TrG5h" value="types2" />
+            <node concept="3rvAFt" id="72$UyHm9W1U" role="1tU5fm">
+              <node concept="3uibUv" id="72$UyHm9W1V" role="3rvQeY">
+                <ref role="3uigEE" to="mhbf:~SNodeReference" resolve="SNodeReference" />
+              </node>
+              <node concept="3Tqbb2" id="72$UyHm9W1W" role="3rvSg0" />
+            </node>
+            <node concept="2OqwBi" id="72$UyHm9W1X" role="33vP2m">
+              <node concept="liA8E" id="72$UyHm9W1Y" role="2OqNvi">
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