From 0f1460bb67e3fc0c7989bf395b8c6a972d8c99d8 Mon Sep 17 00:00:00 2001
From: Grigorii Kirgizov <grigorii.kirgizov@jetbrains.com>
Date: Mon, 26 Aug 2019 14:17:40 +0300
Subject: [PATCH] Add typechecking of array literals handling nested literals

Array literals always belong to some variable decl and their elements
are recursively checked against declared component type [JLS 10.6].
---
 reactor/.idea/modules.xml                     |    3 +
 .../jetbrains.mps.baseLanguageExt.types.mps   | 1539 ++++++++++++-----
 .../models/features.mps                       |  202 ++-
 ...ecking.samples.baseLanguage.helloWorld.mps |  308 +++-
 ...mples.baseLanguage.incrementalBL@tests.mps |  381 +++-
 5 files changed, 1919 insertions(+), 514 deletions(-)

diff --git a/reactor/.idea/modules.xml b/reactor/.idea/modules.xml
index 027c87f1..f3c1e0e2 100644
--- a/reactor/.idea/modules.xml
+++ b/reactor/.idea/modules.xml
@@ -5,6 +5,9 @@
       <module fileurl="file://$PROJECT_DIR$/Core/Core.iml" filepath="$PROJECT_DIR$/Core/Core.iml" />
       <module fileurl="file://$PROJECT_DIR$/Reactor.iml" filepath="$PROJECT_DIR$/Reactor.iml" />
       <module fileurl="file://$PROJECT_DIR$/Test/Test.iml" filepath="$PROJECT_DIR$/Test/Test.iml" />
+      <module fileurl="file://$PROJECT_DIR$/../coderules/solutions/jetbrains.mps.coderules/source_gen/jetbrains/mps/coderules/coderules.iml" filepath="$PROJECT_DIR$/../coderules/solutions/jetbrains.mps.coderules/source_gen/jetbrains/mps/coderules/coderules.iml" />
+      <module fileurl="file://$PROJECT_DIR$/../coderules/languages/jetbrains.mps.lang.coderules/runtime/source_gen/jetbrains/mps/lang/lang.iml" filepath="$PROJECT_DIR$/../coderules/languages/jetbrains.mps.lang.coderules/runtime/source_gen/jetbrains/mps/lang/lang.iml" />
+      <module fileurl="file://$PROJECT_DIR$/../coderules/solutions/jetbrains.mps.coderules.typechecking/source_gen/jetbrains/mps/coderules/typechecking/typechecking.iml" filepath="$PROJECT_DIR$/../coderules/solutions/jetbrains.mps.coderules.typechecking/source_gen/jetbrains/mps/coderules/typechecking/typechecking.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
index 695f3417..cdebd29e 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
@@ -36,7 +36,6 @@
     <import index="z9ve" ref="bbf5c548-7111-4a53-a117-cdefc664cf34/java:jetbrains.mps.logic.reactor.core.internal(jetbrains.mps.logic.reactor/)" />
     <import index="oy3s" ref="r:a6030cee-34eb-4503-b1bf-015fe5cd8c1a(jetbrains.mps.logic.unification)" />
     <import index="tpcu" ref="r:00000000-0000-4000-0000-011c89590282(jetbrains.mps.lang.core.behavior)" implicit="true" />
-    <import index="maru" ref="f:diff_old#r:92b96158-68e6-4f53-a32b-36e2b456fe01(jetbrains.mps.baseLanguageExt.types@old)" implicit="true" />
   </imports>
   <registry>
     <language id="a247e09e-2435-45ba-b8d2-07e93feba96a" name="jetbrains.mps.baseLanguage.tuples">
@@ -31230,383 +31229,6 @@
     <property role="3GE5qa" value="expression" />
     <property role="TrG5h" value="Array" />
     <ref role="2YbDB9" node="6qJjpCjlmVR" resolve="CheckAll" />
-    <node concept="1nLNMY" id="pupwRqISwV" role="1nK1Vg">
-      <property role="TrG5h" value="arrayLiteral" />
-      <node concept="3clFbS" id="pupwRqISwW" role="1nLNMH">
-        <node concept="3cpWs8" id="Or3zaWH5r" role="3cqZAp">
-          <node concept="3cpWsn" id="Or3zaWH5u" role="3cpWs9">
-            <property role="TrG5h" value="sz" />
-            <node concept="10Oyi0" id="Or3zaWH5p" role="1tU5fm" />
-            <node concept="2OqwBi" id="Or3zaWJFK" role="33vP2m">
-              <node concept="2OqwBi" id="Or3zaWHnp" role="2Oq$k0">
-                <node concept="3A2sRY" id="Or3zaWHdI" role="2Oq$k0">
-                  <ref role="3A2yKK" to="maru:pupwRqISwY" resolve="arr" />
-                </node>
-                <node concept="3Tsc0h" id="Or3zaWI3f" role="2OqNvi">
-                  <ref role="3TtcxE" to="tpee:hiBsfQZ" resolve="item" />
-                </node>
-              </node>
-              <node concept="34oBXx" id="Or3zaWL5U" role="2OqNvi" />
-            </node>
-          </node>
-        </node>
-        <node concept="3clFbH" id="Or3zaWLb3" role="3cqZAp" />
-        <node concept="1nLNNL" id="3M0B6RCJecv" role="3cqZAp">
-          <node concept="1nLNMm" id="3M0B6RCJecw" role="1nLNNK">
-            <node concept="0eUR_" id="3M0B6RCJecx" role="0UC6o">
-              <node concept="3NuqgR" id="3M0B6RCJecy" role="0eVf_">
-                <node concept="aZer4" id="3M0B6RCJecz" role="3XD1gS">
-                  <property role="TrG5h" value="ArrT" />
-                </node>
-                <node concept="aZer4" id="Or3zaX2f8" role="3XD1gS">
-                  <property role="TrG5h" value="ElemT" />
-                </node>
-              </node>
-              <node concept="3NuqgR" id="Or3zaWME2" role="0eVf_">
-                <node concept="aZer4" id="Or3zaWME3" role="3XD1gS">
-                  <property role="TrG5h" value="ItemT" />
-                  <node concept="37vLTw" id="Or3zaWMPK" role="3gj$pD">
-                    <ref role="3cqZAo" to="maru:Or3zaWH5u" resolve="sz" />
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq93q" id="3M0B6RCJec$" role="1nLNMb">
-              <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="3M0B6RCJec_" role="3Ip0Jz">
-                <node concept="3I6s7M" id="Or3zb3UC4" role="3I6sU7">
-                  <node concept="3Aqt3T" id="Or3zb3UC3" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfabR$" resolve="checkAll" />
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq93q" id="Or3zb3Uht" role="1nLNMb">
-              <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="Or3zb3Uhu" role="3Ip0Jz">
-                <node concept="3IrJb3" id="Or3zaWGqt" role="3I6sU7">
-                  <node concept="3clFbS" id="Or3zaWGqu" role="3IrJb0">
-                    <node concept="1Dw8fO" id="Or3zaWGLr" role="3cqZAp">
-                      <node concept="3clFbS" id="Or3zaWGLt" role="2LFqv$">
-                        <node concept="3Aqczg" id="Or3zaWG_V" role="3cqZAp">
-                          <node concept="3Aqt3T" id="Or3zaWG_U" role="3Aqpz8">
-                            <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
-                            <node concept="3BlFb$" id="Or3zaWN1k" role="3AunhB">
-                              <node concept="1y4W85" id="Or3zaWOMI" role="3BlFb_">
-                                <node concept="37vLTw" id="Or3zaWOUF" role="1y58nS">
-                                  <ref role="3cqZAo" to="maru:Or3zaWGLu" resolve="i" />
-                                </node>
-                                <node concept="2OqwBi" id="Or3zaWNd9" role="1y566C">
-                                  <node concept="3A2sRY" id="Or3zaWN5h" role="2Oq$k0">
-                                    <ref role="3A2yKK" to="maru:pupwRqISwY" resolve="arr" />
-                                  </node>
-                                  <node concept="3Tsc0h" id="Or3zaWNmY" role="2OqNvi">
-                                    <ref role="3TtcxE" to="tpee:hiBsfQZ" resolve="item" />
-                                  </node>
-                                </node>
-                              </node>
-                            </node>
-                            <node concept="a7P8L" id="Or3zaWOYU" role="3AunhB">
-                              <ref role="a7OzE" to="maru:Or3zaWME3" resolve="ItemT" />
-                              <node concept="37vLTw" id="Or3zaWP30" role="3gCZO6">
-                                <ref role="3cqZAo" to="maru:Or3zaWGLu" resolve="i" />
-                              </node>
-                            </node>
-                          </node>
-                        </node>
-                      </node>
-                      <node concept="3cpWsn" id="Or3zaWGLu" role="1Duv9x">
-                        <property role="TrG5h" value="i" />
-                        <node concept="10Oyi0" id="Or3zaWGPr" role="1tU5fm" />
-                        <node concept="3cmrfG" id="Or3zaWGXg" role="33vP2m">
-                          <property role="3cmrfH" value="0" />
-                        </node>
-                      </node>
-                      <node concept="3eOVzh" id="Or3zaWL$Z" role="1Dwp0S">
-                        <node concept="37vLTw" id="Or3zaWLSr" role="3uHU7w">
-                          <ref role="3cqZAo" to="maru:Or3zaWH5u" resolve="sz" />
-                        </node>
-                        <node concept="37vLTw" id="Or3zaWLjj" role="3uHU7B">
-                          <ref role="3cqZAo" to="maru:Or3zaWGLu" resolve="i" />
-                        </node>
-                      </node>
-                      <node concept="3uNrnE" id="Or3zaWMaS" role="1Dwrff">
-                        <node concept="37vLTw" id="Or3zaWMaU" role="2$L3a6">
-                          <ref role="3cqZAo" to="maru:Or3zaWGLu" resolve="i" />
-                        </node>
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq9E8" id="3M0B6RCJecA" role="1nLNMd">
-              <node concept="3I6sU6" id="3M0B6RCJecB" role="3Ip0Jz">
-                <node concept="3IrJb3" id="Or3zaX0I6" role="3I6sU7">
-                  <node concept="3clFbS" id="Or3zaX0I7" role="3IrJb0">
-                    <node concept="3Aqczg" id="Or3zaX2Ax" role="3cqZAp">
-                      <node concept="3A8Hvi" id="Or3zaX2Ar" role="3Aqpz8">
-                        <node concept="a7P8L" id="Or3zaX2ED" role="3A8wtg">
-                          <ref role="a7OzE" to="maru:Or3zaX2f8" resolve="ElemT" />
-                        </node>
-                        <node concept="a7P8L" id="Or3zaX2Ix" role="3A8w4Q">
-                          <ref role="a7OzE" to="maru:Or3zaWME3" resolve="ItemT" />
-                          <node concept="3cmrfG" id="Or3zaX2MV" role="3gCZO6">
-                            <property role="3cmrfH" value="0" />
-                          </node>
-                        </node>
-                      </node>
-                    </node>
-                    <node concept="1Dw8fO" id="Or3zaX0I8" role="3cqZAp">
-                      <node concept="3clFbS" id="Or3zaX0I9" role="2LFqv$">
-                        <node concept="3Aqczg" id="Or3zaX0Ia" role="3cqZAp">
-                          <node concept="3Aqt3T" id="Or3zaX0Ib" role="3Aqpz8">
-                            <ref role="3AqCNq" to="maru:3Qp4N06bUPu" resolve="convertsTo" />
-                            <node concept="a7P8L" id="Or3zaX0Ii" role="3AunhB">
-                              <ref role="a7OzE" to="maru:Or3zaWME3" resolve="ItemT" />
-                              <node concept="37vLTw" id="Or3zaX0Ij" role="3gCZO6">
-                                <ref role="3cqZAo" to="maru:Or3zaX0Ik" resolve="i" />
-                              </node>
-                            </node>
-                            <node concept="a7P8L" id="3sbALnU0PgY" role="3AunhB">
-                              <ref role="a7OzE" to="maru:Or3zaX2f8" resolve="ElemT" />
-                            </node>
-                          </node>
-                        </node>
-                      </node>
-                      <node concept="3cpWsn" id="Or3zaX0Ik" role="1Duv9x">
-                        <property role="TrG5h" value="i" />
-                        <node concept="10Oyi0" id="Or3zaX0Il" role="1tU5fm" />
-                        <node concept="3cmrfG" id="Or3zaX0Im" role="33vP2m">
-                          <property role="3cmrfH" value="0" />
-                        </node>
-                      </node>
-                      <node concept="3eOVzh" id="Or3zaX0In" role="1Dwp0S">
-                        <node concept="37vLTw" id="Or3zaX0Io" role="3uHU7w">
-                          <ref role="3cqZAo" to="maru:Or3zaWH5u" resolve="sz" />
-                        </node>
-                        <node concept="37vLTw" id="Or3zaX0Ip" role="3uHU7B">
-                          <ref role="3cqZAo" to="maru:Or3zaX0Ik" resolve="i" />
-                        </node>
-                      </node>
-                      <node concept="3uNrnE" id="Or3zaX0Iq" role="1Dwrff">
-                        <node concept="37vLTw" id="Or3zaX0Ir" role="2$L3a6">
-                          <ref role="3cqZAo" to="maru:Or3zaX0Ik" resolve="i" />
-                        </node>
-                      </node>
-                    </node>
-                    <node concept="3clFbH" id="Or3zaX5nF" role="3cqZAp" />
-                    <node concept="3Aqczg" id="Or3zaX3Ip" role="3cqZAp">
-                      <node concept="3A8Hvi" id="Or3zaXkBV" role="3Aqpz8">
-                        <node concept="a7P8L" id="Or3zaXkFR" role="3A8wtg">
-                          <ref role="a7OzE" to="maru:3M0B6RCJecz" resolve="ArrT" />
-                        </node>
-                        <node concept="ns1u0" id="Or3zaXkNy" role="3A8w4Q">
-                          <ref role="ns1xF" to="maru:JOGAOsVt2o" resolve="arrayType" />
-                          <node concept="nsMwS" id="Or3zaXkRn" role="ns1xD">
-                            <ref role="nsMwP" to="maru:JOGAOsVt2q" resolve="parameter" />
-                            <node concept="1nq8_$" id="Or3zaXla$" role="nsMwV">
-                              <node concept="a7P8L" id="Or3zaXlay" role="1nq8_t">
-                                <ref role="a7OzE" to="maru:Or3zaX2f8" resolve="ElemT" />
-                              </node>
-                            </node>
-                          </node>
-                        </node>
-                      </node>
-                    </node>
-                    <node concept="3Aqczg" id="Or3zaX53J" role="3cqZAp">
-                      <node concept="3Aqt3T" id="Or3zaX53H" role="3Aqpz8">
-                        <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
-                        <node concept="3BlFb$" id="Or3zaX5bQ" role="3AunhB">
-                          <node concept="3A2sRY" id="Or3zaX5fQ" role="3BlFb_">
-                            <ref role="3A2yKK" to="maru:pupwRqISwY" resolve="arr" />
-                          </node>
-                        </node>
-                        <node concept="a7P8L" id="Or3zaX5jL" role="3AunhB">
-                          <ref role="a7OzE" to="maru:3M0B6RCJecz" resolve="ArrT" />
-                        </node>
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-          </node>
-        </node>
-      </node>
-      <node concept="2t___k" id="pupwRqISwX" role="1nLNMg">
-        <ref role="2t_S0q" to="tpee:hiBsdKd" resolve="ArrayLiteral" />
-        <node concept="3A20r5" id="pupwRqISwY" role="2t_VXX">
-          <property role="TrG5h" value="arr" />
-        </node>
-      </node>
-      <node concept="cBwPQ" id="Or3zaWRTi" role="1nLFYo">
-        <node concept="3clFbS" id="Or3zaWRTj" role="16YjZG">
-          <node concept="3clFbF" id="Or3zaWRXr" role="3cqZAp">
-            <node concept="3eOSWO" id="Or3zaWXtN" role="3clFbG">
-              <node concept="3cmrfG" id="Or3zaWXID" role="3uHU7w">
-                <property role="3cmrfH" value="0" />
-              </node>
-              <node concept="2OqwBi" id="Or3zaWU0Q" role="3uHU7B">
-                <node concept="2OqwBi" id="Or3zaWS75" role="2Oq$k0">
-                  <node concept="3A2sRY" id="Or3zaWRXq" role="2Oq$k0">
-                    <ref role="3A2yKK" to="maru:pupwRqISwY" resolve="arr" />
-                  </node>
-                  <node concept="3Tsc0h" id="Or3zaWSqu" role="2OqNvi">
-                    <ref role="3TtcxE" to="tpee:hiBsfQZ" resolve="item" />
-                  </node>
-                </node>
-                <node concept="34oBXx" id="Or3zaWVLz" role="2OqNvi" />
-              </node>
-            </node>
-          </node>
-        </node>
-      </node>
-    </node>
-    <node concept="1nLNMY" id="Or3zaX5Yc" role="1nK1Vg">
-      <property role="TrG5h" value="arrayLiteralEmpty" />
-      <node concept="3clFbS" id="Or3zaX5Yd" role="1nLNMH">
-        <node concept="3SKdUt" id="Or3zaYhRC" role="3cqZAp">
-          <node concept="1PaTwC" id="Or3zaYhRD" role="3ndbpf">
-            <node concept="3oM_SD" id="Or3zaYhSc" role="1PaTwD">
-              <property role="3oM_SC" value="todo?:" />
-            </node>
-            <node concept="3oM_SD" id="Or3zaYhSe" role="1PaTwD">
-              <property role="3oM_SC" value="cases" />
-            </node>
-            <node concept="3oM_SD" id="Or3zaYhSq" role="1PaTwD">
-              <property role="3oM_SC" value="for" />
-            </node>
-            <node concept="3oM_SD" id="Or3zaYhSK" role="1PaTwD">
-              <property role="3oM_SC" value="nested" />
-            </node>
-            <node concept="3oM_SD" id="Or3zaYhSz" role="1PaTwD">
-              <property role="3oM_SC" value="literals" />
-            </node>
-          </node>
-        </node>
-        <node concept="3cpWs8" id="Or3zaYbby" role="3cqZAp">
-          <node concept="3cpWsn" id="Or3zaYbb_" role="3cpWs9">
-            <property role="TrG5h" value="decl" />
-            <node concept="3Tqbb2" id="Or3zaYbbw" role="1tU5fm">
-              <ref role="ehGHo" to="tpee:fz3uBXI" resolve="VariableDeclaration" />
-            </node>
-            <node concept="1PxgMI" id="Or3zaYfBI" role="33vP2m">
-              <property role="1BlNFB" value="true" />
-              <node concept="chp4Y" id="Or3zaYfYz" role="3oSUPX">
-                <ref role="cht4Q" to="tpee:fz3uBXI" resolve="VariableDeclaration" />
-              </node>
-              <node concept="2OqwBi" id="Or3zaYeT1" role="1m5AlR">
-                <node concept="3A2sRY" id="Or3zaYeJm" role="2Oq$k0">
-                  <ref role="3A2yKK" to="maru:Or3zaX5Zv" resolve="arr" />
-                </node>
-                <node concept="1mfA1w" id="Or3zaYfnF" role="2OqNvi" />
-              </node>
-            </node>
-          </node>
-        </node>
-        <node concept="3clFbH" id="Or3zaYbbP" role="3cqZAp" />
-        <node concept="1nLNNL" id="Or3zaX5Yn" role="3cqZAp">
-          <node concept="1nLNMm" id="Or3zaX5Yo" role="1nLNNK">
-            <node concept="3Aq93q" id="Or3zb3UC7" role="1nLNMb">
-              <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="Or3zb3UC8" role="3Ip0Jz">
-                <node concept="3I6s7M" id="Or3zb3UC9" role="3I6sU7">
-                  <node concept="3Aqt3T" id="Or3zb3UCa" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfabR$" resolve="checkAll" />
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="0eUR_" id="Or3zaX5Yp" role="0UC6o">
-              <node concept="3NuqgR" id="Or3zaX5Yq" role="0eVf_">
-                <node concept="aZer4" id="Or3zaX5Yr" role="3XD1gS">
-                  <property role="TrG5h" value="ArrT" />
-                </node>
-                <node concept="aZer4" id="Or3zaX5Ys" role="3XD1gS">
-                  <property role="TrG5h" value="ElemT" />
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq9E8" id="Or3zaYfZY" role="1nLNMd">
-              <node concept="3I6sU6" id="Or3zaYfZZ" role="3Ip0Jz">
-                <node concept="3I6s7M" id="Or3zaYg0E" role="3I6sU7">
-                  <node concept="1imXTs" id="Or3zaYg0$" role="3I6s78">
-                    <node concept="a7P8L" id="Or3zaYg0P" role="1imXu6">
-                      <ref role="a7OzE" to="maru:Or3zaX5Yr" resolve="ArrT" />
-                    </node>
-                    <node concept="2OqwBi" id="Or3zaYgds" role="1imXSf">
-                      <node concept="37vLTw" id="Or3zaYg0U" role="2Oq$k0">
-                        <ref role="3cqZAo" to="maru:Or3zaYbb_" resolve="decl" />
-                      </node>
-                      <node concept="3TrEf2" id="Or3zaYh0V" role="2OqNvi">
-                        <ref role="3Tt5mk" to="tpee:4VkOLwjf83e" resolve="type" />
-                      </node>
-                    </node>
-                  </node>
-                </node>
-                <node concept="3I6s7M" id="Or3zaYg03" role="3I6sU7">
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-        <node concept="3A20r5" id="Or3zaX5Zv" role="2t_VXX">
-          <property role="TrG5h" value="arr" />
-        </node>
-      </node>
-      <node concept="cBwPQ" id="Or3zaX5Zw" role="1nLFYo">
-        <node concept="3clFbS" id="Or3zaX5Zx" role="16YjZG">
-          <node concept="3clFbF" id="Or3zaX5Zy" role="3cqZAp">
-            <node concept="1Wc70l" id="Or3zaYcwF" role="3clFbG">
-              <node concept="2OqwBi" id="Or3zaYdHW" role="3uHU7w">
-                <node concept="2OqwBi" id="Or3zaYd01" role="2Oq$k0">
-                  <node concept="3A2sRY" id="Or3zaYcPL" role="2Oq$k0">
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-                  <node concept="1mfA1w" id="Or3zaYdwu" role="2OqNvi" />
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-                <node concept="1mIQ4w" id="1OEgqtpy$dh" role="2OqNvi">
-                  <node concept="chp4Y" id="1OEgqtpy$iu" role="cj9EA">
-                    <ref role="cht4Q" to="tpee:fz3uBXI" resolve="VariableDeclaration" />
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-              <node concept="3clFbC" id="Or3zaX6pn" role="3uHU7B">
-                <node concept="2OqwBi" id="Or3zaX5Z_" role="3uHU7B">
-                  <node concept="2OqwBi" id="Or3zaX5ZA" role="2Oq$k0">
-                    <node concept="3A2sRY" id="Or3zaX5ZB" role="2Oq$k0">
-                      <ref role="3A2yKK" to="maru:Or3zaX5Zv" resolve="arr" />
-                    </node>
-                    <node concept="3Tsc0h" id="Or3zaX5ZC" role="2OqNvi">
-                      <ref role="3TtcxE" to="tpee:hiBsfQZ" resolve="item" />
-                    </node>
-                  </node>
-                  <node concept="34oBXx" id="Or3zaX5ZD" role="2OqNvi" />
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-                <node concept="3cmrfG" id="Or3zaX5Z$" role="3uHU7w">
-                  <property role="3cmrfH" value="0" />
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-              </node>
-            </node>
-          </node>
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-      </node>
-    </node>
     <node concept="1nLNMY" id="3M0B6RCJtkH" role="1nK1Vg">
       <property role="TrG5h" value="dimExpr" />
       <node concept="3clFbS" id="3M0B6RCJtkI" role="1nLNMH">
@@ -31616,12 +31238,12 @@
               <node concept="3I6sU6" id="Or3zaW35m" role="3Ip0Jz">
                 <node concept="3I6s7M" id="Or3zaW3gN" role="3I6sU7">
                   <node concept="3Aqt3T" id="Or3zaW3gM" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:3Qp4N06bUPu" resolve="convertsTo" />
+                    <ref role="3AqCNq" node="3Qp4N06bUPu" resolve="convertsTo" />
                     <node concept="a7P8L" id="Or3zaW3sh" role="3AunhB">
-                      <ref role="a7OzE" to="maru:3M0B6RCJtoJ" resolve="DimT" />
+                      <ref role="a7OzE" node="3M0B6RCJtoJ" resolve="DimT" />
                     </node>
                     <node concept="ns1u0" id="Or3zaW3zZ" role="3AunhB">
-                      <ref role="ns1xF" to="maru:JOGAOsVt2E" resolve="intType" />
+                      <ref role="ns1xF" node="JOGAOsVt2E" resolve="intType" />
                     </node>
                   </node>
                 </node>
@@ -31639,11 +31261,11 @@
               <node concept="3I6sU6" id="3M0B6RCJtnL" role="3Ip0Jz">
                 <node concept="3I6s7M" id="Or3zaW2Fb" role="3I6sU7">
                   <node concept="3Aqt3T" id="Or3zaW2Fa" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                     <node concept="3BlFb$" id="Or3zaW2J3" role="3AunhB">
                       <node concept="2OqwBi" id="Or3zaW2OS" role="3BlFb_">
                         <node concept="3A2sRY" id="Or3zaW2MZ" role="2Oq$k0">
-                          <ref role="3A2yKK" to="maru:3M0B6RCJtnq" resolve="dim" />
+                          <ref role="3A2yKK" node="3M0B6RCJtnq" resolve="dim" />
                         </node>
                         <node concept="3TrEf2" id="Or3zaW2Zf" role="2OqNvi">
                           <ref role="3Tt5mk" to="tpee:hf$I4rk" resolve="expression" />
@@ -31651,7 +31273,7 @@
                       </node>
                     </node>
                     <node concept="a7P8L" id="Or3zaW35c" role="3AunhB">
-                      <ref role="a7OzE" to="maru:3M0B6RCJtoJ" resolve="DimT" />
+                      <ref role="a7OzE" node="3M0B6RCJtoJ" resolve="DimT" />
                     </node>
                   </node>
                 </node>
@@ -31672,7 +31294,7 @@
             <node concept="2OqwBi" id="Or3zaW28b" role="3clFbG">
               <node concept="2OqwBi" id="Or3zaW1Xi" role="2Oq$k0">
                 <node concept="3A2sRY" id="Or3zaW1PU" role="2Oq$k0">
-                  <ref role="3A2yKK" to="maru:3M0B6RCJtnq" resolve="dim" />
+                  <ref role="3A2yKK" node="3M0B6RCJtnq" resolve="dim" />
                 </node>
                 <node concept="3TrEf2" id="Or3zaW243" role="2OqNvi">
                   <ref role="3Tt5mk" to="tpee:hf$I4rk" resolve="expression" />
@@ -31694,7 +31316,7 @@
             <node concept="2OqwBi" id="1lzLQ0zo2RP" role="33vP2m">
               <node concept="2OqwBi" id="1lzLQ0zo2RQ" role="2Oq$k0">
                 <node concept="3A2sRY" id="1lzLQ0zo2RR" role="2Oq$k0">
-                  <ref role="3A2yKK" to="maru:1lzLQ0zo2uf" resolve="arrc" />
+                  <ref role="3A2yKK" node="1lzLQ0zo2uf" resolve="arrc" />
                 </node>
                 <node concept="3Tsc0h" id="1lzLQ0zo2RS" role="2OqNvi">
                   <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
@@ -31711,7 +31333,7 @@
               <node concept="2OqwBi" id="3sbALnUg5p0" role="2Oq$k0">
                 <node concept="2OqwBi" id="3sbALnUg3i9" role="2Oq$k0">
                   <node concept="3A2sRY" id="3sbALnUg38s" role="2Oq$k0">
-                    <ref role="3A2yKK" to="maru:1lzLQ0zo2uf" resolve="arrc" />
+                    <ref role="3A2yKK" node="1lzLQ0zo2uf" resolve="arrc" />
                   </node>
                   <node concept="3Tsc0h" id="3sbALnUg3C_" role="2OqNvi">
                     <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
@@ -31724,7 +31346,7 @@
                         <node concept="2OqwBi" id="3sbALnUg7X_" role="3clFbG">
                           <node concept="2OqwBi" id="3sbALnUg7vm" role="2Oq$k0">
                             <node concept="37vLTw" id="3sbALnUg7nj" role="2Oq$k0">
-                              <ref role="3cqZAo" to="maru:3sbALnUg7en" resolve="it" />
+                              <ref role="3cqZAo" node="3sbALnUg7en" resolve="it" />
                             </node>
                             <node concept="3TrEf2" id="3sbALnUg7EZ" role="2OqNvi">
                               <ref role="3Tt5mk" to="tpee:hf$I4rk" resolve="expression" />
@@ -31784,11 +31406,11 @@
                     </node>
                     <node concept="1y4W85" id="3sbALnUggP2" role="33vP2m">
                       <node concept="37vLTw" id="3sbALnUghas" role="1y58nS">
-                        <ref role="3cqZAo" to="maru:3sbALnUgbVf" resolve="i" />
+                        <ref role="3cqZAo" node="3sbALnUgbVf" resolve="i" />
                       </node>
                       <node concept="2OqwBi" id="3sbALnUgf2l" role="1y566C">
                         <node concept="3A2sRY" id="3sbALnUgeUs" role="2Oq$k0">
-                          <ref role="3A2yKK" to="maru:1lzLQ0zo2uf" resolve="arrc" />
+                          <ref role="3A2yKK" node="1lzLQ0zo2uf" resolve="arrc" />
                         </node>
                         <node concept="3Tsc0h" id="3sbALnUgfrF" role="2OqNvi">
                           <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
@@ -31807,7 +31429,7 @@
                             <node concept="2OqwBi" id="3sbALnUi8tf" role="3wWo3s">
                               <node concept="2OqwBi" id="3sbALnUi7Qv" role="2Oq$k0">
                                 <node concept="37vLTw" id="3sbALnUi7K4" role="2Oq$k0">
-                                  <ref role="3cqZAo" to="maru:3sbALnUgj0h" resolve="dim" />
+                                  <ref role="3cqZAo" node="3sbALnUgj0h" resolve="dim" />
                                 </node>
                                 <node concept="3TrEf2" id="3sbALnUi8gG" role="2OqNvi">
                                   <ref role="3Tt5mk" to="tpee:hf$I4rk" resolve="expression" />
@@ -31824,7 +31446,7 @@
                       <node concept="3I6sU6" id="3sbALnUgeBi" role="3Ip0Jz">
                         <node concept="3I6s7M" id="3sbALnUgeIW" role="3I6sU7">
                           <node concept="3Aqt3T" id="3sbALnUgeIV" role="3I6s78">
-                            <ref role="3AqCNq" to="maru:34$A1MfabR$" resolve="checkAll" />
+                            <ref role="3AqCNq" node="34$A1MfabR$" resolve="checkAll" />
                           </node>
                         </node>
                       </node>
@@ -31835,7 +31457,7 @@
                           <node concept="3wWvb2" id="3sbALnUgkiL" role="3I6s78">
                             <node concept="2OqwBi" id="3sbALnUgkt8" role="3wWo3s">
                               <node concept="37vLTw" id="3sbALnUgkiK" role="2Oq$k0">
-                                <ref role="3cqZAo" to="maru:3sbALnUgj0h" resolve="dim" />
+                                <ref role="3cqZAo" node="3sbALnUgj0h" resolve="dim" />
                               </node>
                               <node concept="2s7oft" id="3sbALnUgkAw" role="2OqNvi">
                                 <property role="2s7ueQ" value="oI9Ys1lFm/error" />
@@ -31855,20 +31477,20 @@
                 <property role="TrG5h" value="i" />
                 <node concept="10Oyi0" id="3sbALnUgc1r" role="1tU5fm" />
                 <node concept="37vLTw" id="1lzLQ0z_tPy" role="33vP2m">
-                  <ref role="3cqZAo" to="maru:3sbALnUgpav" resolve="firstEmptyDimIdx" />
+                  <ref role="3cqZAo" node="3sbALnUgpav" resolve="firstEmptyDimIdx" />
                 </node>
               </node>
               <node concept="3eOVzh" id="3sbALnUgddr" role="1Dwp0S">
                 <node concept="37vLTw" id="3sbALnUgdhv" role="3uHU7w">
-                  <ref role="3cqZAo" to="maru:1lzLQ0zo2RN" resolve="ndims" />
+                  <ref role="3cqZAo" node="1lzLQ0zo2RN" resolve="ndims" />
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                 <node concept="37vLTw" id="3sbALnUgcoI" role="3uHU7B">
-                  <ref role="3cqZAo" to="maru:3sbALnUgbVf" resolve="i" />
+                  <ref role="3cqZAo" node="3sbALnUgbVf" resolve="i" />
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               </node>
               <node concept="3uNrnE" id="3sbALnUgefT" role="1Dwrff">
                 <node concept="37vLTw" id="3sbALnUgefV" role="2$L3a6">
-                  <ref role="3cqZAo" to="maru:3sbALnUgbVf" resolve="i" />
+                  <ref role="3cqZAo" node="3sbALnUgbVf" resolve="i" />
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               </node>
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@@ -31878,7 +31500,7 @@
               <property role="3cmrfH" value="0" />
             </node>
             <node concept="37vLTw" id="1lzLQ0z_ub4" role="3uHU7B">
-              <ref role="3cqZAo" to="maru:3sbALnUgpav" resolve="firstEmptyDimIdx" />
+              <ref role="3cqZAo" node="3sbALnUgpav" resolve="firstEmptyDimIdx" />
             </node>
           </node>
         </node>
@@ -31904,7 +31526,7 @@
                         <node concept="2OqwBi" id="1OEgqtpytcR" role="2Oq$k0">
                           <node concept="2OqwBi" id="1OEgqtpyrEU" role="2Oq$k0">
                             <node concept="3A2sRY" id="1OEgqtpyrz4" role="2Oq$k0">
-                              <ref role="3A2yKK" to="maru:pupwRqISwM" resolve="arrc" />
+                              <ref role="3A2yKK" node="pupwRqISwM" resolve="arrc" />
                             </node>
                             <node concept="3Tsc0h" id="1OEgqtpyrRj" role="2OqNvi">
                               <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
@@ -31927,7 +31549,7 @@
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                 <node concept="3I6s7M" id="1OEgqtpykBg" role="3I6sU7">
                   <node concept="3Aqt3T" id="1OEgqtpykBf" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfabR$" resolve="checkAll" />
+                    <ref role="3AqCNq" node="34$A1MfabR$" resolve="checkAll" />
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@@ -31938,7 +31560,7 @@
                   <node concept="3wWvb2" id="1OEgqtpyr7N" role="3I6s78">
                     <node concept="2OqwBi" id="1OEgqtpyrfF" role="3wWo3s">
                       <node concept="3A2sRY" id="1OEgqtpyr7M" role="2Oq$k0">
-                        <ref role="3A2yKK" to="maru:pupwRqISwM" resolve="arrc" />
+                        <ref role="3A2yKK" node="pupwRqISwM" resolve="arrc" />
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                       <node concept="2s7oft" id="1OEgqtpyryb" role="2OqNvi">
                         <property role="2s7ueQ" value="oI9Ys1lFm/error" />
@@ -31961,7 +31583,7 @@
             <node concept="2OqwBi" id="3M0B6RCJh1c" role="33vP2m">
               <node concept="2OqwBi" id="3M0B6RCJfo$" role="2Oq$k0">
                 <node concept="3A2sRY" id="3M0B6RCJfgF" role="2Oq$k0">
-                  <ref role="3A2yKK" to="maru:pupwRqISwM" resolve="arrc" />
+                  <ref role="3A2yKK" node="pupwRqISwM" resolve="arrc" />
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                 <node concept="3Tsc0h" id="3M0B6RCJfxb" role="2OqNvi">
                   <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
@@ -31979,7 +31601,7 @@
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                 <node concept="3I6s7M" id="Or3zb3UCh" role="3I6sU7">
                   <node concept="3Aqt3T" id="Or3zb3UCi" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfabR$" resolve="checkAll" />
+                    <ref role="3AqCNq" node="34$A1MfabR$" resolve="checkAll" />
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@@ -31994,7 +31616,7 @@
                 <node concept="aZer4" id="3M0B6RCJfgn" role="3XD1gS">
                   <property role="TrG5h" value="NestedT" />
                   <node concept="37vLTw" id="3M0B6RCJj$K" role="3gj$pD">
-                    <ref role="3cqZAo" to="maru:3M0B6RCJjvZ" resolve="ndims" />
+                    <ref role="3cqZAo" node="3M0B6RCJjvZ" resolve="ndims" />
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@@ -32054,19 +31676,19 @@
                     </node>
                     <node concept="3Aqczg" id="Or3zaWxZX" role="3cqZAp">
                       <node concept="B_ONY" id="Or3zaWys1" role="3Aqpz8">
-                        <ref role="17QRF" to="maru:7nkyKX7jrEk" resolve="arrayType" />
+                        <ref role="17QRF" node="7nkyKX7jrEk" resolve="arrayType" />
                         <node concept="a7P8L" id="Or3zaWyvV" role="B_OMz">
-                          <ref role="a7OzE" to="maru:3M0B6RCJfgn" resolve="NestedT" />
+                          <ref role="a7OzE" node="3M0B6RCJfgn" resolve="NestedT" />
                           <node concept="3cmrfG" id="Or3zaWywd" role="3gCZO6">
                             <property role="3cmrfH" value="0" />
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                         </node>
                         <node concept="1Q7qz5" id="Or3zaWyFP" role="150vd">
                           <node concept="1Q7q5z" id="Or3zaWyFR" role="1Q7qz4">
-                            <ref role="1Q7tcy" to="maru:1L74NXFK6qe" resolve="elementType" />
+                            <ref role="1Q7tcy" node="1L74NXFK6qe" resolve="elementType" />
                             <node concept="2OqwBi" id="Or3zaWyZa" role="1KxKwY">
                               <node concept="3A2sRY" id="Or3zaWyRk" role="2Oq$k0">
-                                <ref role="3A2yKK" to="maru:pupwRqISwM" resolve="arrc" />
+                                <ref role="3A2yKK" node="pupwRqISwM" resolve="arrc" />
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                               <node concept="3TrEf2" id="Or3zaWze6" role="2OqNvi">
                                 <ref role="3Tt5mk" to="tpee:hf$_nzH" resolve="componentType" />
@@ -32087,7 +31709,7 @@
                                 <property role="3cmrfH" value="1" />
                               </node>
                               <node concept="37vLTw" id="Or3zb0v8J" role="3uHU7B">
-                                <ref role="3cqZAo" to="maru:Or3zaWuxD" resolve="i" />
+                                <ref role="3cqZAo" node="Or3zaWuxD" resolve="i" />
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                             </node>
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@@ -32095,20 +31717,20 @@
                         <node concept="3Aqczg" id="Or3zaWxsh" role="3cqZAp">
                           <node concept="3A8Hvi" id="Or3zaXoKX" role="3Aqpz8">
                             <node concept="a7P8L" id="Or3zaXoSG" role="3A8wtg">
-                              <ref role="a7OzE" to="maru:3M0B6RCJfgn" resolve="NestedT" />
+                              <ref role="a7OzE" node="3M0B6RCJfgn" resolve="NestedT" />
                               <node concept="37vLTw" id="Or3zaXoWZ" role="3gCZO6">
-                                <ref role="3cqZAo" to="maru:Or3zaWuxD" resolve="i" />
+                                <ref role="3cqZAo" node="Or3zaWuxD" resolve="i" />
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                             </node>
                             <node concept="ns1u0" id="Or3zaXp52" role="3A8w4Q">
-                              <ref role="ns1xF" to="maru:JOGAOsVt2o" resolve="arrayType" />
+                              <ref role="ns1xF" node="JOGAOsVt2o" resolve="arrayType" />
                               <node concept="nsMwS" id="Or3zaXp8R" role="ns1xD">
-                                <ref role="nsMwP" to="maru:JOGAOsVt2q" resolve="parameter" />
+                                <ref role="nsMwP" node="JOGAOsVt2q" resolve="parameter" />
                                 <node concept="1nq8_$" id="Or3zaXpo9" role="nsMwV">
                                   <node concept="a7P8L" id="Or3zaXpo7" role="1nq8_t">
-                                    <ref role="a7OzE" to="maru:3M0B6RCJfgn" resolve="NestedT" />
+                                    <ref role="a7OzE" node="3M0B6RCJfgn" resolve="NestedT" />
                                     <node concept="37vLTw" id="Or3zb0vVx" role="3gCZO6">
-                                      <ref role="3cqZAo" to="maru:Or3zb0v88" resolve="iprev" />
+                                      <ref role="3cqZAo" node="Or3zb0v88" resolve="iprev" />
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                                   </node>
                                 </node>
@@ -32126,15 +31748,15 @@
                       </node>
                       <node concept="3eOVzh" id="Or3zaWvEs" role="1Dwp0S">
                         <node concept="37vLTw" id="Or3zaWvEH" role="3uHU7w">
-                          <ref role="3cqZAo" to="maru:3M0B6RCJjvZ" resolve="ndims" />
+                          <ref role="3cqZAo" node="3M0B6RCJjvZ" resolve="ndims" />
                         </node>
                         <node concept="37vLTw" id="Or3zaWuLW" role="3uHU7B">
-                          <ref role="3cqZAo" to="maru:Or3zaWuxD" resolve="i" />
+                          <ref role="3cqZAo" node="Or3zaWuxD" resolve="i" />
                         </node>
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                       <node concept="3uNrnE" id="Or3zaWwDb" role="1Dwrff">
                         <node concept="37vLTw" id="Or3zaWwDd" role="2$L3a6">
-                          <ref role="3cqZAo" to="maru:Or3zaWuxD" resolve="i" />
+                          <ref role="3cqZAo" node="Or3zaWuxD" resolve="i" />
                         </node>
                       </node>
                     </node>
@@ -32142,16 +31764,16 @@
                     <node concept="3Aqczg" id="Or3zaW$lf" role="3cqZAp">
                       <node concept="3A8Hvi" id="Or3zaW$l9" role="3Aqpz8">
                         <node concept="a7P8L" id="Or3zaW$pz" role="3A8wtg">
-                          <ref role="a7OzE" to="maru:3M0B6RCJebD" resolve="ArrT" />
+                          <ref role="a7OzE" node="3M0B6RCJebD" resolve="ArrT" />
                         </node>
                         <node concept="a7P8L" id="Or3zaW$tr" role="3A8w4Q">
-                          <ref role="a7OzE" to="maru:3M0B6RCJfgn" resolve="NestedT" />
+                          <ref role="a7OzE" node="3M0B6RCJfgn" resolve="NestedT" />
                           <node concept="3cpWsd" id="Or3zaWCTm" role="3gCZO6">
                             <node concept="3cmrfG" id="Or3zaWCTp" role="3uHU7w">
                               <property role="3cmrfH" value="1" />
                             </node>
                             <node concept="37vLTw" id="Or3zaW$xI" role="3uHU7B">
-                              <ref role="3cqZAo" to="maru:3M0B6RCJjvZ" resolve="ndims" />
+                              <ref role="3cqZAo" node="3M0B6RCJjvZ" resolve="ndims" />
                             </node>
                           </node>
                         </node>
@@ -32159,14 +31781,14 @@
                     </node>
                     <node concept="3Aqczg" id="3M0B6RCJovZ" role="3cqZAp">
                       <node concept="3Aqt3T" id="3M0B6RCJovX" role="3Aqpz8">
-                        <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                        <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                         <node concept="3BlFb$" id="3M0B6RCJowj" role="3AunhB">
                           <node concept="3A2sRY" id="3M0B6RCJows" role="3BlFb_">
-                            <ref role="3A2yKK" to="maru:pupwRqISwM" resolve="arrc" />
+                            <ref role="3A2yKK" node="pupwRqISwM" resolve="arrc" />
                           </node>
                         </node>
                         <node concept="a7P8L" id="3M0B6RCJowC" role="3AunhB">
-                          <ref role="a7OzE" to="maru:3M0B6RCJebD" resolve="ArrT" />
+                          <ref role="a7OzE" node="3M0B6RCJebD" resolve="ArrT" />
                         </node>
                       </node>
                     </node>
@@ -32207,7 +31829,7 @@
               <node concept="3I6sU6" id="Or3zb3UDg" role="3Ip0Jz">
                 <node concept="3I6s7M" id="3sbALnU5Xyu" role="3I6sU7">
                   <node concept="3Aqt3T" id="3sbALnU5Xyt" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfabR$" resolve="checkAll" />
+                    <ref role="3AqCNq" node="34$A1MfabR$" resolve="checkAll" />
                   </node>
                 </node>
               </node>
@@ -32217,11 +31839,11 @@
                 <node concept="3I6s7M" id="3sbALnU5XMb" role="3I6sU7">
                   <node concept="1imXTs" id="Or3zaXmOY" role="3I6s78">
                     <node concept="a7P8L" id="Or3zaXmP8" role="1imXu6">
-                      <ref role="a7OzE" to="maru:Or3zaXdfI" resolve="ElemT" />
+                      <ref role="a7OzE" node="Or3zaXdfI" resolve="ElemT" />
                     </node>
                     <node concept="2OqwBi" id="Or3zaXmYL" role="1imXSf">
                       <node concept="3A2sRY" id="Or3zaXmWN" role="2Oq$k0">
-                        <ref role="3A2yKK" to="maru:Or3zaXdgL" resolve="arrc" />
+                        <ref role="3A2yKK" node="Or3zaXdgL" resolve="arrc" />
                       </node>
                       <node concept="3TrEf2" id="Or3zaXn43" role="2OqNvi">
                         <ref role="3Tt5mk" to="tpee:gNg7ff4" resolve="componentType" />
@@ -32232,15 +31854,15 @@
                 <node concept="3I6s7M" id="3sbALnU5XMc" role="3I6sU7">
                   <node concept="3A8Hvi" id="Or3zaXo19" role="3I6s78">
                     <node concept="a7P8L" id="Or3zaXo1a" role="3A8wtg">
-                      <ref role="a7OzE" to="maru:Or3zaXdfH" resolve="ArrT" />
+                      <ref role="a7OzE" node="Or3zaXdfH" resolve="ArrT" />
                     </node>
                     <node concept="ns1u0" id="Or3zaXo1b" role="3A8w4Q">
-                      <ref role="ns1xF" to="maru:JOGAOsVt2o" resolve="arrayType" />
+                      <ref role="ns1xF" node="JOGAOsVt2o" resolve="arrayType" />
                       <node concept="nsMwS" id="Or3zaXo1c" role="ns1xD">
-                        <ref role="nsMwP" to="maru:JOGAOsVt2q" resolve="parameter" />
+                        <ref role="nsMwP" node="JOGAOsVt2q" resolve="parameter" />
                         <node concept="1nq8_$" id="Or3zaXo1d" role="nsMwV">
                           <node concept="a7P8L" id="Or3zaXo1e" role="1nq8_t">
-                            <ref role="a7OzE" to="maru:Or3zaXdfI" resolve="ElemT" />
+                            <ref role="a7OzE" node="Or3zaXdfI" resolve="ElemT" />
                           </node>
                         </node>
                       </node>
@@ -32249,14 +31871,14 @@
                 </node>
                 <node concept="3I6s7M" id="3sbALnU5XMd" role="3I6sU7">
                   <node concept="3Aqt3T" id="Or3zaXdgG" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                     <node concept="3BlFb$" id="Or3zaXdgH" role="3AunhB">
                       <node concept="3A2sRY" id="Or3zaXdgI" role="3BlFb_">
-                        <ref role="3A2yKK" to="maru:Or3zaXdgL" resolve="arrc" />
+                        <ref role="3A2yKK" node="Or3zaXdgL" resolve="arrc" />
                       </node>
                     </node>
                     <node concept="a7P8L" id="Or3zaXdgJ" role="3AunhB">
-                      <ref role="a7OzE" to="maru:Or3zaXdfH" resolve="ArrT" />
+                      <ref role="a7OzE" node="Or3zaXdfH" resolve="ArrT" />
                     </node>
                   </node>
                 </node>
@@ -32273,7 +31895,7 @@
                 <property role="TrG5h" value="idx" />
                 <node concept="10Oyi0" id="3sbALnU7AYJ" role="1tU5fm" />
                 <node concept="37vLTw" id="3sbALnU7Baq" role="33vP2m">
-                  <ref role="3cqZAo" to="maru:3sbALnU5OrA" resolve="i" />
+                  <ref role="3cqZAo" node="3sbALnU5OrA" resolve="i" />
                 </node>
               </node>
             </node>
@@ -32284,15 +31906,15 @@
                   <node concept="3I6sU6" id="3sbALnU5Q9C" role="3Ip0Jz">
                     <node concept="3I6s7M" id="3sbALnU5Qhi" role="3I6sU7">
                       <node concept="3Aqt3T" id="3sbALnU5R6U" role="3I6s78">
-                        <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                        <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                         <node concept="3BlFb$" id="3sbALnU5Rio" role="3AunhB">
                           <node concept="1y4W85" id="3sbALnU5UYT" role="3BlFb_">
                             <node concept="37vLTw" id="3sbALnU7Bt2" role="1y58nS">
-                              <ref role="3cqZAo" to="maru:3sbALnU7AMN" resolve="idx" />
+                              <ref role="3cqZAo" node="3sbALnU7AMN" resolve="idx" />
                             </node>
                             <node concept="2OqwBi" id="3sbALnU5Rud" role="1y566C">
                               <node concept="3A2sRY" id="3sbALnU5Rmk" role="2Oq$k0">
-                                <ref role="3A2yKK" to="maru:Or3zaXdgL" resolve="arrc" />
+                                <ref role="3A2yKK" node="Or3zaXdgL" resolve="arrc" />
                               </node>
                               <node concept="3Tsc0h" id="3sbALnU5RMK" role="2OqNvi">
                                 <ref role="3TtcxE" to="tpee:gNg7hAG" resolve="initValue" />
@@ -32301,7 +31923,7 @@
                           </node>
                         </node>
                         <node concept="a7P8L" id="3sbALnU5ZqK" role="3AunhB">
-                          <ref role="a7OzE" to="maru:3sbALnU5YFM" resolve="ValT" />
+                          <ref role="a7OzE" node="3sbALnU5YFM" resolve="ValT" />
                         </node>
                       </node>
                     </node>
@@ -32312,11 +31934,11 @@
                     <node concept="3I6s7M" id="3sbALnU5VKJ" role="3I6sU7">
                       <node concept="1imXTs" id="3sbALnU5VKD" role="3I6s78">
                         <node concept="a7P8L" id="3sbALnU5ZAl" role="1imXu6">
-                          <ref role="a7OzE" to="maru:Or3zaXdfI" resolve="ElemT" />
+                          <ref role="a7OzE" node="Or3zaXdfI" resolve="ElemT" />
                         </node>
                         <node concept="2OqwBi" id="3sbALnU5W4d" role="1imXSf">
                           <node concept="3A2sRY" id="3sbALnU5VS$" role="2Oq$k0">
-                            <ref role="3A2yKK" to="maru:Or3zaXdgL" resolve="arrc" />
+                            <ref role="3A2yKK" node="Or3zaXdgL" resolve="arrc" />
                           </node>
                           <node concept="3TrEf2" id="3sbALnU5Wll" role="2OqNvi">
                             <ref role="3Tt5mk" to="tpee:gNg7ff4" resolve="componentType" />
@@ -32326,12 +31948,12 @@
                     </node>
                     <node concept="3I6s7M" id="3sbALnU5QwA" role="3I6sU7">
                       <node concept="3Aqt3T" id="3sbALnU5Qw_" role="3I6s78">
-                        <ref role="3AqCNq" to="maru:3Qp4N06bUPu" resolve="convertsTo" />
+                        <ref role="3AqCNq" node="3Qp4N06bUPu" resolve="convertsTo" />
                         <node concept="a7P8L" id="3sbALnU5ZI1" role="3AunhB">
-                          <ref role="a7OzE" to="maru:3sbALnU5YFM" resolve="ValT" />
+                          <ref role="a7OzE" node="3sbALnU5YFM" resolve="ValT" />
                         </node>
                         <node concept="a7P8L" id="3sbALnU5ZLU" role="3AunhB">
-                          <ref role="a7OzE" to="maru:Or3zaXdfI" resolve="ElemT" />
+                          <ref role="a7OzE" node="Or3zaXdfI" resolve="ElemT" />
                         </node>
                       </node>
                     </node>
@@ -32349,12 +31971,12 @@
           </node>
           <node concept="3eOVzh" id="3sbALnU5OrD" role="1Dwp0S">
             <node concept="37vLTw" id="3sbALnU5OrF" role="3uHU7B">
-              <ref role="3cqZAo" to="maru:3sbALnU5OrA" resolve="i" />
+              <ref role="3cqZAo" node="3sbALnU5OrA" resolve="i" />
             </node>
             <node concept="2OqwBi" id="3sbALnUaPVa" role="3uHU7w">
               <node concept="2OqwBi" id="3sbALnUaNJw" role="2Oq$k0">
                 <node concept="3A2sRY" id="3sbALnUaNr8" role="2Oq$k0">
-                  <ref role="3A2yKK" to="maru:Or3zaXdgL" resolve="arrc" />
+                  <ref role="3A2yKK" node="Or3zaXdgL" resolve="arrc" />
                 </node>
                 <node concept="3Tsc0h" id="3sbALnUaNUG" role="2OqNvi">
                   <ref role="3TtcxE" to="tpee:gNg7hAG" resolve="initValue" />
@@ -32365,7 +31987,7 @@
           </node>
           <node concept="3uNrnE" id="3sbALnU5OrG" role="1Dwrff">
             <node concept="37vLTw" id="3sbALnU5OrH" role="2$L3a6">
-              <ref role="3cqZAo" to="maru:3sbALnU5OrA" resolve="i" />
+              <ref role="3cqZAo" node="3sbALnU5OrA" resolve="i" />
             </node>
           </node>
         </node>
@@ -32400,11 +32022,11 @@
               <node concept="3I6sU6" id="3M0B6RCJedo" role="3Ip0Jz">
                 <node concept="3I6s7M" id="3M0B6RCJee9" role="3I6sU7">
                   <node concept="3Aqt3T" id="3M0B6RCJee8" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                     <node concept="3BlFb$" id="3M0B6RCJeee" role="3AunhB">
                       <node concept="2OqwBi" id="3M0B6RCJeDK" role="3BlFb_">
                         <node concept="3A2sRY" id="3M0B6RCJeer" role="2Oq$k0">
-                          <ref role="3A2yKK" to="maru:pupwRqITvD" resolve="aa" />
+                          <ref role="3A2yKK" node="pupwRqITvD" resolve="aa" />
                         </node>
                         <node concept="3TrEf2" id="3M0B6RCJeNv" role="2OqNvi">
                           <ref role="3Tt5mk" to="tpee:h4AHHTq" resolve="array" />
@@ -32413,15 +32035,15 @@
                     </node>
                     <node concept="1HFMs5" id="3M0B6RCJf4A" role="3AunhB">
                       <node concept="a7P8L" id="3M0B6RCJeez" role="1uarlU">
-                        <ref role="a7OzE" to="maru:3M0B6RCJedm" resolve="ArrT" />
+                        <ref role="a7OzE" node="3M0B6RCJedm" resolve="ArrT" />
                       </node>
                       <node concept="ns1u0" id="3M0B6RCJf4Q" role="1uarlW">
-                        <ref role="ns1xF" to="maru:JOGAOsVt2o" resolve="arrayType" />
+                        <ref role="ns1xF" node="JOGAOsVt2o" resolve="arrayType" />
                         <node concept="nsMwS" id="3M0B6RCJf4S" role="ns1xD">
-                          <ref role="nsMwP" to="maru:JOGAOsVt2q" resolve="parameter" />
+                          <ref role="nsMwP" node="JOGAOsVt2q" resolve="parameter" />
                           <node concept="1nq8_$" id="3M0B6RCJf5i" role="nsMwV">
                             <node concept="a7P8L" id="3M0B6RCJf5g" role="1nq8_t">
-                              <ref role="a7OzE" to="maru:3M0B6RCJf4W" resolve="ElemT" />
+                              <ref role="a7OzE" node="3M0B6RCJf4W" resolve="ElemT" />
                             </node>
                           </node>
                         </node>
@@ -32431,11 +32053,11 @@
                 </node>
                 <node concept="3I6s7M" id="3M0B6RCJeeN" role="3I6sU7">
                   <node concept="3Aqt3T" id="3M0B6RCJeeL" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                     <node concept="3BlFb$" id="3M0B6RCJeeX" role="3AunhB">
                       <node concept="2OqwBi" id="3M0B6RCJenC" role="3BlFb_">
                         <node concept="3A2sRY" id="3M0B6RCJef6" role="2Oq$k0">
-                          <ref role="3A2yKK" to="maru:pupwRqITvD" resolve="aa" />
+                          <ref role="3A2yKK" node="pupwRqITvD" resolve="aa" />
                         </node>
                         <node concept="3TrEf2" id="3M0B6RCJf0w" role="2OqNvi">
                           <ref role="3Tt5mk" to="tpee:h4AHEM9" resolve="index" />
@@ -32443,7 +32065,7 @@
                       </node>
                     </node>
                     <node concept="a7P8L" id="3M0B6RCJf4k" role="3AunhB">
-                      <ref role="a7OzE" to="maru:3M0B6RCJf3X" resolve="IndexT" />
+                      <ref role="a7OzE" node="3M0B6RCJf3X" resolve="IndexT" />
                     </node>
                   </node>
                 </node>
@@ -32453,25 +32075,25 @@
               <node concept="3I6sU6" id="3M0B6RCJedq" role="3Ip0Jz">
                 <node concept="3I6s7M" id="3M0B6RCJf7E" role="3I6sU7">
                   <node concept="3Aqt3T" id="3M0B6RCJf7C" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:3Qp4N06bUPu" resolve="convertsTo" />
+                    <ref role="3AqCNq" node="3Qp4N06bUPu" resolve="convertsTo" />
                     <node concept="a7P8L" id="3M0B6RCJf88" role="3AunhB">
-                      <ref role="a7OzE" to="maru:3M0B6RCJf3X" resolve="IndexT" />
+                      <ref role="a7OzE" node="3M0B6RCJf3X" resolve="IndexT" />
                     </node>
                     <node concept="ns1u0" id="3M0B6RCJf7O" role="3AunhB">
-                      <ref role="ns1xF" to="maru:JOGAOsVt2E" resolve="intType" />
+                      <ref role="ns1xF" node="JOGAOsVt2E" resolve="intType" />
                     </node>
                   </node>
                 </node>
                 <node concept="3I6s7M" id="3M0B6RCJedr" role="3I6sU7">
                   <node concept="3Aqt3T" id="3M0B6RCJf3$" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                     <node concept="3BlFb$" id="3M0B6RCJf3C" role="3AunhB">
                       <node concept="3A2sRY" id="3M0B6RCJf3L" role="3BlFb_">
-                        <ref role="3A2yKK" to="maru:pupwRqITvD" resolve="aa" />
+                        <ref role="3A2yKK" node="pupwRqITvD" resolve="aa" />
                       </node>
                     </node>
                     <node concept="a7P8L" id="3M0B6RCJf5p" role="3AunhB">
-                      <ref role="a7OzE" to="maru:3M0B6RCJf4W" resolve="ElemT" />
+                      <ref role="a7OzE" node="3M0B6RCJf4W" resolve="ElemT" />
                     </node>
                   </node>
                 </node>
@@ -32502,7 +32124,7 @@
                 </node>
                 <node concept="2OqwBi" id="Or3zb2cjX" role="1m5AlR">
                   <node concept="3A2sRY" id="Or3zb2cbE" role="2Oq$k0">
-                    <ref role="3A2yKK" to="maru:pupwRqIVSe" resolve="arrClone" />
+                    <ref role="3A2yKK" node="pupwRqIVSe" resolve="arrClone" />
                   </node>
                   <node concept="1mfA1w" id="Or3zb2ctO" role="2OqNvi" />
                 </node>
@@ -32528,14 +32150,14 @@
               <node concept="3I6sU6" id="Or3zaXAqa" role="3Ip0Jz">
                 <node concept="3I6s7M" id="Or3zaXAqb" role="3I6sU7">
                   <node concept="3Aqt3T" id="Or3zaXAqc" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                     <node concept="3BlFb$" id="Or3zaXAqd" role="3AunhB">
                       <node concept="37vLTw" id="Or3zb2d1m" role="3BlFb_">
-                        <ref role="3cqZAo" to="maru:Or3zb2c2R" resolve="arr" />
+                        <ref role="3cqZAo" node="Or3zb2c2R" resolve="arr" />
                       </node>
                     </node>
                     <node concept="a7P8L" id="Or3zaXBnJ" role="3AunhB">
-                      <ref role="a7OzE" to="maru:Or3zaXAq6" resolve="SrcArrT" />
+                      <ref role="a7OzE" node="Or3zaXAq6" resolve="SrcArrT" />
                     </node>
                   </node>
                 </node>
@@ -32545,14 +32167,14 @@
               <node concept="3I6sU6" id="Or3zaXAqv" role="3Ip0Jz">
                 <node concept="3I6s7M" id="Or3zaXAq$" role="3I6sU7">
                   <node concept="3Aqt3T" id="Or3zaXAq_" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                     <node concept="3BlFb$" id="Or3zaXAqA" role="3AunhB">
                       <node concept="3A2sRY" id="Or3zaXDGe" role="3BlFb_">
-                        <ref role="3A2yKK" to="maru:pupwRqIVSe" resolve="arrClone" />
+                        <ref role="3A2yKK" node="pupwRqIVSe" resolve="arrClone" />
                       </node>
                     </node>
                     <node concept="a7P8L" id="Or3zaXD$x" role="3AunhB">
-                      <ref role="a7OzE" to="maru:Or3zaXAq6" resolve="SrcArrT" />
+                      <ref role="a7OzE" node="Or3zaXAq6" resolve="SrcArrT" />
                     </node>
                   </node>
                 </node>
@@ -32573,7 +32195,7 @@
             <node concept="2OqwBi" id="Or3zb2bMW" role="3clFbG">
               <node concept="2OqwBi" id="Or3zb2bx_" role="2Oq$k0">
                 <node concept="3A2sRY" id="Or3zb2bnS" role="2Oq$k0">
-                  <ref role="3A2yKK" to="maru:pupwRqIVSe" resolve="arrClone" />
+                  <ref role="3A2yKK" node="pupwRqIVSe" resolve="arrClone" />
                 </node>
                 <node concept="1mfA1w" id="Or3zb2bE3" role="2OqNvi" />
               </node>
@@ -32604,23 +32226,23 @@
                 <node concept="3I6s7M" id="Or3zaXPNJ" role="3I6sU7">
                   <node concept="3A8Hvi" id="Or3zb8Zcg" role="3I6s78">
                     <node concept="a7P8L" id="Or3zb8Zcp" role="3A8wtg">
-                      <ref role="a7OzE" to="maru:Or3zaXP5l" resolve="IntT" />
+                      <ref role="a7OzE" node="Or3zaXP5l" resolve="IntT" />
                     </node>
                     <node concept="ns1u0" id="Or3zb8Zcu" role="3A8w4Q">
-                      <ref role="ns1xF" to="maru:JOGAOsVt2E" resolve="intType" />
+                      <ref role="ns1xF" node="JOGAOsVt2E" resolve="intType" />
                     </node>
                   </node>
                 </node>
                 <node concept="3I6s7M" id="Or3zaXPgW" role="3I6sU7">
                   <node concept="3Aqt3T" id="Or3zaXPgV" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfhdDv" resolve="typeOf" />
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
                     <node concept="3BlFb$" id="Or3zaXPwg" role="3AunhB">
                       <node concept="3A2sRY" id="Or3zaXP$c" role="3BlFb_">
-                        <ref role="3A2yKK" to="maru:pupwRqIVT8" resolve="arrLen" />
+                        <ref role="3A2yKK" node="pupwRqIVT8" resolve="arrLen" />
                       </node>
                     </node>
                     <node concept="a7P8L" id="Or3zaXQ3a" role="3AunhB">
-                      <ref role="a7OzE" to="maru:Or3zaXP5l" resolve="IntT" />
+                      <ref role="a7OzE" node="Or3zaXP5l" resolve="IntT" />
                     </node>
                   </node>
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@@ -32631,7 +32253,7 @@
               <node concept="3I6sU6" id="Or3zb3USe" role="3Ip0Jz">
                 <node concept="3I6s7M" id="Or3zb3USi" role="3I6sU7">
                   <node concept="3Aqt3T" id="Or3zb3USh" role="3I6s78">
-                    <ref role="3AqCNq" to="maru:34$A1MfabR$" resolve="checkAll" />
+                    <ref role="3AqCNq" node="34$A1MfabR$" resolve="checkAll" />
                   </node>
                 </node>
               </node>
@@ -32646,6 +32268,971 @@
         </node>
       </node>
     </node>
+    <node concept="1nLNMY" id="geDLM4SLOS" role="1nK1Vg">
+      <property role="TrG5h" value="arrayLiteralDecl" />
+      <node concept="3clFbS" id="geDLM4SLOT" role="1nLNMH">
+        <node concept="3cpWs8" id="geDLM4T0GY" role="3cqZAp">
+          <node concept="3cpWsn" id="geDLM4T0GZ" role="3cpWs9">
+            <property role="TrG5h" value="vdecl" />
+            <node concept="3Tqbb2" id="geDLM4T0H0" role="1tU5fm">
+              <ref role="ehGHo" to="tpee:fz3uBXI" resolve="VariableDeclaration" />
+            </node>
+            <node concept="1PxgMI" id="geDLM4T0H1" role="33vP2m">
+              <property role="1BlNFB" value="true" />
+              <node concept="chp4Y" id="geDLM4T0H2" role="3oSUPX">
+                <ref role="cht4Q" to="tpee:fz3uBXI" resolve="VariableDeclaration" />
+              </node>
+              <node concept="2OqwBi" id="geDLM4T0H3" role="1m5AlR">
+                <node concept="3A2sRY" id="geDLM4T0H4" role="2Oq$k0">
+                  <ref role="3A2yKK" node="geDLM4SLQM" resolve="arr" />
+                </node>
+                <node concept="1mfA1w" id="geDLM4T0H5" role="2OqNvi" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="1mebxG" id="geDLM55aeS" role="3cqZAp">
+          <node concept="37vLTw" id="geDLM55afA" role="1mebXD">
+            <ref role="3cqZAo" node="geDLM4T0GZ" resolve="vdecl" />
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+        </node>
+        <node concept="3clFbH" id="geDLM4T0Gz" role="3cqZAp" />
+        <node concept="1nLNNL" id="geDLM4SLQt" role="3cqZAp">
+          <node concept="1nLNMm" id="geDLM4SLQu" role="1nLNNK">
+            <node concept="0eUR_" id="geDLM4SLQv" role="0UC6o">
+              <node concept="3NuqgR" id="geDLM4SLQw" role="0eVf_">
+                <node concept="aZer4" id="geDLM4SLQx" role="3XD1gS">
+                  <property role="TrG5h" value="ArrT" />
+                </node>
+                <node concept="aZer4" id="geDLM4SLQy" role="3XD1gS">
+                  <property role="TrG5h" value="DeclT" />
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+            <node concept="3Aq93q" id="geDLM4SLQz" role="1nLNMb">
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+                  <node concept="3Aqt3T" id="geDLM4SLQA" role="3I6s78">
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
+                    <node concept="3BlFb$" id="geDLM4SLQB" role="3AunhB">
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+                        <ref role="3cqZAo" node="geDLM4T0GZ" resolve="vdecl" />
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+                  <node concept="3Aqt3T" id="geDLM4SPCZ" role="3I6s78">
+                    <ref role="3AqCNq" node="4gD$zlTXS1P" resolve="checkArrayItem" />
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+                  <node concept="3Aqt3T" id="geDLM4SLQH" role="3I6s78">
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+                    <node concept="3BlFb$" id="geDLM4SLQI" role="3AunhB">
+                      <node concept="3A2sRY" id="geDLM4SLQJ" role="3BlFb_">
+                        <ref role="3A2yKK" node="geDLM4SLQM" resolve="arr" />
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+                    <node concept="a7P8L" id="geDLM4SLQK" role="3AunhB">
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+                <node concept="aZer4" id="geDLM4SzTc" role="3XD1gS">
+                  <property role="TrG5h" value="ArrayT" />
+                </node>
+                <node concept="aZer4" id="geDLM4S_XM" role="3XD1gS">
+                  <property role="TrG5h" value="ElemT" />
+                </node>
+              </node>
+              <node concept="3NuqgR" id="geDLM4SzTe" role="0eVf_">
+                <node concept="aZer4" id="geDLM4SzTf" role="3XD1gS">
+                  <property role="TrG5h" value="ArrayLiteralNode" />
+                </node>
+                <node concept="aZer4" id="geDLM4S_3a" role="3XD1gS">
+                  <property role="TrG5h" value="ItemNode" />
+                </node>
+                <node concept="2sp9CU" id="geDLM4SzTg" role="3vLBG7" />
+              </node>
+            </node>
+            <node concept="3Aq93q" id="geDLM4SzTh" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="geDLM4SzTi" role="3Ip0Jz">
+                <node concept="3I6s7M" id="geDLM4SzTj" role="3I6sU7">
+                  <node concept="3Aqt3T" id="geDLM4SzTk" role="3I6s78">
+                    <ref role="3AqCNq" node="4gD$zlTXS1P" resolve="checkArrayItem" />
+                    <node concept="a7P8L" id="geDLM4SzTl" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4SzTf" resolve="ArrayLiteralNode" />
+                    </node>
+                    <node concept="1HFMs5" id="geDLM4S_$y" role="3AunhB">
+                      <node concept="a7P8L" id="geDLM4SzTm" role="1uarlU">
+                        <ref role="a7OzE" node="geDLM4SzTc" resolve="ArrayT" />
+                      </node>
+                      <node concept="ns1u0" id="geDLM4S_Ir" role="1uarlW">
+                        <ref role="ns1xF" node="JOGAOsVt2o" resolve="arrayType" />
+                        <node concept="nsMwS" id="geDLM4SAyy" role="ns1xD">
+                          <ref role="nsMwP" node="JOGAOsVt2q" resolve="parameter" />
+                          <node concept="1nq8_$" id="geDLM4SB2U" role="nsMwV">
+                            <node concept="a7P8L" id="geDLM4SB2S" role="1nq8_t">
+                              <ref role="a7OzE" node="geDLM4S_XM" resolve="ElemT" />
+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq93q" id="geDLM4SzTn" role="1nLNMb">
+              <node concept="3I6sU6" id="geDLM4SzTo" role="3Ip0Jz">
+                <node concept="3I6s7M" id="geDLM4SzTp" role="3I6sU7">
+                  <node concept="3Aqt3T" id="geDLM4S$y7" role="3I6s78">
+                    <ref role="3AqCNq" node="geDLM4SpJK" resolve="arrayItem" />
+                    <node concept="a7P8L" id="geDLM4S$DO" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4SzTf" resolve="ArrayLiteralNode" />
+                    </node>
+                    <node concept="a7P8L" id="geDLM4S_kA" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4S_3a" resolve="ItemNode" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq9E8" id="geDLM4SzTs" role="1nLNMd">
+              <node concept="3I6sU6" id="geDLM4SzTt" role="3Ip0Jz">
+                <node concept="3I6s7M" id="geDLM4SzTu" role="3I6sU7">
+                  <node concept="3Aqt3T" id="geDLM4SBMF" role="3I6s78">
+                    <ref role="3AqCNq" node="4gD$zlTXS1P" resolve="checkArrayItem" />
+                    <node concept="a7P8L" id="geDLM4SBUo" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4S_3a" resolve="ItemNode" />
+                    </node>
+                    <node concept="a7P8L" id="geDLM4SC0q" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4S_XM" resolve="ElemT" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="geDLM4SCdS" role="3cqZAp" />
+        <node concept="1nLNNL" id="geDLM4SIDs" role="3cqZAp">
+          <node concept="1nLNMm" id="geDLM4SIDu" role="1nLNNK">
+            <node concept="3Aq93q" id="geDLM4SITN" role="1nLNMb">
+              <node concept="3I6sU6" id="geDLM4SITO" role="3Ip0Jz">
+                <node concept="3I6s7M" id="geDLM4SITP" role="3I6sU7">
+                  <node concept="3Aqt3T" id="geDLM4SITQ" role="3I6s78">
+                    <ref role="3AqCNq" node="4gD$zlTXS1P" resolve="checkArrayItem" />
+                    <node concept="a7P8L" id="geDLM4SITR" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4SzTf" resolve="ArrayLiteralNode" />
+                    </node>
+                    <node concept="a7P8L" id="geDLM4SJTS" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4SJAH" resolve="NonArrayT" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq93q" id="geDLM4SITY" role="1nLNMb">
+              <node concept="3I6sU6" id="geDLM4SITZ" role="3Ip0Jz">
+                <node concept="3I6s7M" id="geDLM4SIU0" role="3I6sU7">
+                  <node concept="3Aqt3T" id="geDLM4SIU1" role="3I6s78">
+                    <ref role="3AqCNq" node="geDLM4SpJK" resolve="arrayItem" />
+                    <node concept="a7P8L" id="geDLM4SIU2" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4SzTf" resolve="ArrayLiteralNode" />
+                    </node>
+                    <node concept="a7P8L" id="geDLM4SIU3" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4S_3a" resolve="ItemNode" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="0eUR_" id="geDLM4SJAE" role="0UC6o">
+              <node concept="3NuqgR" id="geDLM4SJAG" role="0eVf_">
+                <node concept="aZer4" id="geDLM4SJAH" role="3XD1gS">
+                  <property role="TrG5h" value="NonArrayT" />
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq9E8" id="geDLM4SKB2" role="1nLNMd">
+              <node concept="3I6sU6" id="geDLM4SKB3" role="3Ip0Jz">
+                <node concept="3I6s7M" id="geDLM4SKII" role="3I6sU7">
+                  <node concept="1lpGmL" id="geDLM4ThXE" role="3I6s78">
+                    <node concept="3cpWs3" id="geDLM4ThXF" role="1lp$hM">
+                      <node concept="1TmgYN" id="geDLM4ThXG" role="3uHU7w">
+                        <node concept="1nq8_$" id="geDLM4ThXH" role="1Tms7$">
+                          <node concept="a7P8L" id="geDLM4ThXI" role="1nq8_t">
+                            <ref role="a7OzE" node="geDLM4SJAH" resolve="NonArrayT" />
+                          </node>
+                        </node>
+                      </node>
+                      <node concept="Xl_RD" id="geDLM4ThXJ" role="3uHU7B">
+                        <property role="Xl_RC" value="array type cannot be converted to " />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="geDLM4SIrY" role="3cqZAp" />
+        <node concept="3SKdUt" id="geDLM4SDWb" role="3cqZAp">
+          <node concept="1PaTwC" id="geDLM4SDWc" role="3ndbpf">
+            <node concept="3oM_SD" id="geDLM4SDWe" role="1PaTwD">
+              <property role="3oM_SC" value="When" />
+            </node>
+            <node concept="3oM_SD" id="geDLM4SDXc" role="1PaTwD">
+              <property role="3oM_SC" value="all" />
+            </node>
+            <node concept="3oM_SD" id="geDLM4SDXf" role="1PaTwD">
+              <property role="3oM_SC" value="array" />
+            </node>
+            <node concept="3oM_SD" id="geDLM4SE16" role="1PaTwD">
+              <property role="3oM_SC" value="items" />
+            </node>
+            <node concept="3oM_SD" id="geDLM4SE4Y" role="1PaTwD">
+              <property role="3oM_SC" value="are" />
+            </node>
+            <node concept="3oM_SD" id="geDLM4SE54" role="1PaTwD">
+              <property role="3oM_SC" value="checked" />
+            </node>
+          </node>
+        </node>
+        <node concept="1nLNNL" id="geDLM4SCj2" role="3cqZAp">
+          <node concept="1nLNMm" id="geDLM4SCj4" role="1nLNNK">
+            <node concept="3Aq93q" id="geDLM4SCro" role="1nLNMb">
+              <node concept="3I6sU6" id="geDLM4SCrp" role="3Ip0Jz">
+                <node concept="3I6s7M" id="geDLM4SCvg" role="3I6sU7">
+                  <node concept="3Aqt3T" id="geDLM4SCvf" role="3I6s78">
+                    <ref role="3AqCNq" node="4gD$zlTXS1P" resolve="checkArrayItem" />
+                    <node concept="a7P8L" id="geDLM4SCEK" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4SzTf" resolve="ArrayLiteralNode" />
+                    </node>
+                    <node concept="a7P8L" id="geDLM4SCKW" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4SzTc" resolve="ArrayT" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq9E8" id="geDLM4SCTi" role="1nLNMd">
+              <node concept="3I6sU6" id="geDLM4SCTj" role="3Ip0Jz">
+                <node concept="3I6s7M" id="geDLM4SDb3" role="3I6sU7">
+                  <node concept="3Aqt3T" id="geDLM4SDqk" role="3I6s78">
+                    <ref role="3AqCNq" node="34$A1MfhdDv" resolve="typeOf" />
+                    <node concept="a7P8L" id="geDLM4SD_M" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4SzTf" resolve="ArrayLiteralNode" />
+                    </node>
+                    <node concept="a7P8L" id="geDLM4SDDK" role="3AunhB">
+                      <ref role="a7OzE" node="geDLM4SzTc" resolve="ArrayT" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="3AqmO8" id="4gD$zlTXS1P" role="8PkJo">
+      <property role="TrG5h" value="checkArrayItem" />
+      <node concept="1zAUYm" id="4gD$zlTXS1Z" role="1zAUyy">
+        <property role="TrG5h" value="node" />
+        <node concept="2sp9CU" id="geDLM4StkT" role="3gTf24" />
+      </node>
+      <node concept="1zAUYm" id="4gD$zlTXS21" role="1zAUyy">
+        <property role="TrG5h" value="groundType" />
+      </node>
+    </node>
+    <node concept="3AqmO8" id="geDLM4SpJK" role="8PkJo">
+      <property role="TrG5h" value="arrayItem" />
+      <node concept="1zAUYm" id="geDLM4SpVq" role="1zAUyy">
+        <property role="TrG5h" value="arrayLiteral" />
+        <node concept="2sp9CU" id="geDLM4Sq6S" role="3gTf24" />
+      </node>
+      <node concept="1zAUYm" id="geDLM4SqaI" role="1zAUyy">
+        <property role="TrG5h" value="item" />
+        <node concept="2sp9CU" id="geDLM4Sqir" role="3gTf24" />
+      </node>
+    </node>
+    <node concept="3AqmO8" id="geDLM4Sq_H" role="8PkJo">
+      <property role="TrG5h" value="emptyLiteral" />
+      <node concept="1zAUYm" id="geDLM4SqPb" role="1zAUyy">
+        <property role="TrG5h" value="arrayLiteral" />
+        <node concept="2sp9CU" id="geDLM4SqWQ" role="3gTf24" />
+      </node>
+    </node>
   </node>
 </model>
 
diff --git a/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/features.mps b/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/features.mps
index 58ab1ba5..8347de2f 100644
--- a/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/features.mps
+++ b/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/features.mps
@@ -205,6 +205,13 @@
       <concept id="1169194658468" name="jetbrains.mps.lang.core.structure.INamedConcept" flags="ng" index="TrEIO">
         <property id="1169194664001" name="name" index="TrG5h" />
       </concept>
+      <concept id="709746936026466394" name="jetbrains.mps.lang.core.structure.ChildAttribute" flags="ng" index="3VBwX9">
+        <property id="709746936026609031" name="linkId" index="3V$3ak" />
+        <property id="709746936026609029" name="role_DebugInfo" index="3V$3am" />
+      </concept>
+      <concept id="4452961908202556907" name="jetbrains.mps.lang.core.structure.BaseCommentAttribute" flags="ng" index="1X3_iC">
+        <child id="3078666699043039389" name="commentedNode" index="8Wnug" />
+      </concept>
     </language>
     <language id="c7fb639f-be78-4307-89b0-b5959c3fa8c8" name="jetbrains.mps.lang.text">
       <concept id="155656958578482948" name="jetbrains.mps.lang.text.structure.Word" flags="ng" index="3oM_SD">
@@ -8537,8 +8544,7 @@
       <node concept="3Tm1VV" id="Or3zaY6bs" role="1B3o_S" />
       <node concept="3cqZAl" id="Or3zaY6bG" role="3clF45" />
     </node>
-    <node concept="2tJIrI" id="Or3zaY6cs" role="jymVt" />
-    <node concept="2tJIrI" id="Or3zaY6c$" role="jymVt" />
+    <node concept="2tJIrI" id="4gD$zlTXuor" role="jymVt" />
     <node concept="3clFb_" id="Or3zaY6dH" role="jymVt">
       <property role="TrG5h" value="literals" />
       <node concept="3clFbS" id="Or3zaY6dK" role="3clF47">
@@ -8627,6 +8633,28 @@
             </node>
           </node>
         </node>
+        <node concept="3cpWs8" id="4gD$zlTXpBq" role="3cqZAp">
+          <node concept="3cpWsn" id="4gD$zlTXpBr" role="3cpWs9">
+            <property role="TrG5h" value="a3c" />
+            <node concept="10Q1$e" id="4gD$zlTXpBs" role="1tU5fm">
+              <node concept="10Oyi0" id="4gD$zlTXpBt" role="10Q1$1" />
+            </node>
+            <node concept="2BsdOp" id="4gD$zlTXpBu" role="33vP2m">
+              <node concept="3b6qkQ" id="4gD$zlTXpGF" role="2BsfMF">
+                <property role="$nhwW" value="1.0" />
+              </node>
+              <node concept="3cmrfG" id="4gD$zlTXpF_" role="2BsfMF">
+                <property role="3cmrfH" value="2" />
+              </node>
+              <node concept="3cmrfG" id="4gD$zlTXpBx" role="2BsfMF">
+                <property role="3cmrfH" value="3" />
+              </node>
+              <node concept="1U20sH" id="geDLM53dML" role="lGtFl">
+                <property role="1U20sK" value="error" />
+              </node>
+            </node>
+          </node>
+        </node>
         <node concept="3cpWs8" id="Or3zaYjjB" role="3cqZAp">
           <node concept="3cpWsn" id="Or3zaYjjC" role="3cpWs9">
             <property role="TrG5h" value="a4" />
@@ -8721,6 +8749,74 @@
             </node>
           </node>
         </node>
+        <node concept="3clFbH" id="geDLM53dVy" role="3cqZAp" />
+        <node concept="3cpWs8" id="geDLM53hbP" role="3cqZAp">
+          <node concept="3cpWsn" id="geDLM53hbQ" role="3cpWs9">
+            <property role="TrG5h" value="b1ok" />
+            <node concept="10Q1$e" id="geDLM53hbR" role="1tU5fm">
+              <node concept="10Q1$e" id="geDLM53hbS" role="10Q1$1">
+                <node concept="10Oyi0" id="geDLM53hbT" role="10Q1$1" />
+              </node>
+            </node>
+            <node concept="2BsdOp" id="geDLM53hbU" role="33vP2m">
+              <node concept="2BsdOp" id="geDLM53hbV" role="2BsfMF" />
+              <node concept="2BsdOp" id="geDLM53hbW" role="2BsfMF">
+                <node concept="3cmrfG" id="geDLM53hbX" role="2BsfMF">
+                  <property role="3cmrfH" value="1" />
+                </node>
+                <node concept="3cmrfG" id="geDLM53hbY" role="2BsfMF">
+                  <property role="3cmrfH" value="2" />
+                </node>
+              </node>
+              <node concept="10Nm6u" id="geDLM53hbZ" role="2BsfMF" />
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="geDLM53dZ1" role="3cqZAp">
+          <node concept="3cpWsn" id="geDLM53dZ7" role="3cpWs9">
+            <property role="TrG5h" value="b1bad" />
+            <node concept="10Q1$e" id="geDLM53dZ9" role="1tU5fm">
+              <node concept="10Q1$e" id="geDLM53e1o" role="10Q1$1">
+                <node concept="10Oyi0" id="geDLM53dZb" role="10Q1$1" />
+              </node>
+            </node>
+            <node concept="2BsdOp" id="geDLM53e31" role="33vP2m">
+              <node concept="2BsdOp" id="geDLM53e3y" role="2BsfMF" />
+              <node concept="2BsdOp" id="geDLM53e4D" role="2BsfMF">
+                <node concept="3cmrfG" id="geDLM53e5j" role="2BsfMF">
+                  <property role="3cmrfH" value="1" />
+                </node>
+                <node concept="3cmrfG" id="geDLM53e71" role="2BsfMF">
+                  <property role="3cmrfH" value="2" />
+                </node>
+              </node>
+              <node concept="3cmrfG" id="geDLM53jVy" role="2BsfMF">
+                <property role="3cmrfH" value="42" />
+              </node>
+              <node concept="10Nm6u" id="geDLM53eaz" role="2BsfMF" />
+              <node concept="1U20sH" id="geDLM53fuT" role="lGtFl">
+                <property role="1U20sK" value="error" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="geDLM56VNj" role="3cqZAp">
+          <node concept="3cpWsn" id="geDLM56VNp" role="3cpWs9">
+            <property role="TrG5h" value="b2" />
+            <node concept="10Q1$e" id="geDLM56VNr" role="1tU5fm">
+              <node concept="10Oyi0" id="geDLM56VNt" role="10Q1$1" />
+            </node>
+            <node concept="2BsdOp" id="geDLM56VRL" role="33vP2m">
+              <node concept="3cmrfG" id="geDLM56VZY" role="2BsfMF">
+                <property role="3cmrfH" value="2" />
+              </node>
+              <node concept="2BsdOp" id="geDLM56VSi" role="2BsfMF" />
+              <node concept="1U20sH" id="geDLM56VW3" role="lGtFl">
+                <property role="1U20sK" value="error" />
+              </node>
+            </node>
+          </node>
+        </node>
       </node>
       <node concept="3Tm1VV" id="Or3zaY6db" role="1B3o_S" />
       <node concept="3cqZAl" id="Or3zaY6dy" role="3clF45" />
@@ -8903,46 +8999,88 @@
             </node>
           </node>
         </node>
-        <node concept="3cpWs8" id="3sbALnUe8LA" role="3cqZAp">
-          <node concept="3cpWsn" id="3sbALnUe8LB" role="3cpWs9">
-            <property role="TrG5h" value="a4e" />
-            <node concept="10Q1$e" id="7rg9TXcyHOx" role="1tU5fm">
-              <node concept="10Q1$e" id="3sbALnUe8LC" role="10Q1$1">
-                <node concept="10Q1$e" id="3sbALnUe8LD" role="10Q1$1">
-                  <node concept="10Q1$e" id="3sbALnUe8LE" role="10Q1$1">
-                    <node concept="10Q1$e" id="3sbALnUe8LF" role="10Q1$1">
-                      <node concept="10Oyi0" id="3sbALnUe8LG" role="10Q1$1" />
+        <node concept="3SKdUt" id="geDLM56VFE" role="3cqZAp">
+          <node concept="1PaTwC" id="geDLM56VFF" role="3ndbpf">
+            <node concept="3oM_SD" id="geDLM56VFH" role="1PaTwD">
+              <property role="3oM_SC" value="TODO:" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VHS" role="1PaTwD">
+              <property role="3oM_SC" value="understand" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VIz" role="1PaTwD">
+              <property role="3oM_SC" value="why" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VIB" role="1PaTwD">
+              <property role="3oM_SC" value="the" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VIO" role="1PaTwD">
+              <property role="3oM_SC" value="last" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VIU" role="1PaTwD">
+              <property role="3oM_SC" value="'error'" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VJh" role="1PaTwD">
+              <property role="3oM_SC" value="is" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VJx" role="1PaTwD">
+              <property role="3oM_SC" value="not" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VJM" role="1PaTwD">
+              <property role="3oM_SC" value="found" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VK4" role="1PaTwD">
+              <property role="3oM_SC" value="by" />
+            </node>
+            <node concept="3oM_SD" id="geDLM56VKf" role="1PaTwD">
+              <property role="3oM_SC" value="typechecker" />
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="geDLM56VFD" role="3cqZAp" />
+        <node concept="1X3_iC" id="geDLM53kq9" role="lGtFl">
+          <property role="3V$3am" value="statement" />
+          <property role="3V$3ak" value="f3061a53-9226-4cc5-a443-f952ceaf5816/1068580123136/1068581517665" />
+          <node concept="3cpWs8" id="3sbALnUe8LA" role="8Wnug">
+            <node concept="3cpWsn" id="3sbALnUe8LB" role="3cpWs9">
+              <property role="TrG5h" value="a4e" />
+              <node concept="10Q1$e" id="7rg9TXcyHOx" role="1tU5fm">
+                <node concept="10Q1$e" id="3sbALnUe8LC" role="10Q1$1">
+                  <node concept="10Q1$e" id="3sbALnUe8LD" role="10Q1$1">
+                    <node concept="10Q1$e" id="3sbALnUe8LE" role="10Q1$1">
+                      <node concept="10Q1$e" id="3sbALnUe8LF" role="10Q1$1">
+                        <node concept="10Oyi0" id="3sbALnUe8LG" role="10Q1$1" />
+                      </node>
                     </node>
                   </node>
                 </node>
               </node>
-            </node>
-            <node concept="2ShNRf" id="3sbALnUe8LH" role="33vP2m">
-              <node concept="3$_iS1" id="3sbALnUe8LI" role="2ShVmc">
-                <node concept="3$GHV9" id="3sbALnUe8LJ" role="3$GQph">
-                  <node concept="3cmrfG" id="3sbALnUebLo" role="3$I4v7">
-                    <property role="3cmrfH" value="3" />
+              <node concept="2ShNRf" id="3sbALnUe8LH" role="33vP2m">
+                <node concept="3$_iS1" id="3sbALnUe8LI" role="2ShVmc">
+                  <node concept="3$GHV9" id="3sbALnUe8LJ" role="3$GQph">
+                    <node concept="3cmrfG" id="3sbALnUebLo" role="3$I4v7">
+                      <property role="3cmrfH" value="3" />
+                    </node>
                   </node>
-                </node>
-                <node concept="3$GHV9" id="3sbALnUe8LK" role="3$GQph">
-                  <node concept="3cmrfG" id="3sbALnUe8LL" role="3$I4v7">
-                    <property role="3cmrfH" value="3" />
+                  <node concept="3$GHV9" id="3sbALnUe8LK" role="3$GQph">
+                    <node concept="3cmrfG" id="3sbALnUe8LL" role="3$I4v7">
+                      <property role="3cmrfH" value="3" />
+                    </node>
                   </node>
-                </node>
-                <node concept="3$GHV9" id="3sbALnUe8LN" role="3$GQph" />
-                <node concept="3$GHV9" id="3sbALnUe8LO" role="3$GQph">
-                  <node concept="3cmrfG" id="3sbALnUe8LP" role="3$I4v7">
-                    <property role="3cmrfH" value="3" />
+                  <node concept="3$GHV9" id="3sbALnUe8LN" role="3$GQph" />
+                  <node concept="3$GHV9" id="3sbALnUe8LO" role="3$GQph">
+                    <node concept="3cmrfG" id="3sbALnUe8LP" role="3$I4v7">
+                      <property role="3cmrfH" value="3" />
+                    </node>
+                    <node concept="1U20sH" id="1lzLQ0zB7ev" role="lGtFl">
+                      <property role="1U20sK" value="error" />
+                    </node>
                   </node>
-                  <node concept="1U20sH" id="1lzLQ0zB7ev" role="lGtFl">
+                  <node concept="3$GHV9" id="7rg9TXcyHKj" role="3$GQph" />
+                  <node concept="10Oyi0" id="3sbALnUe8LR" role="3$_nBY" />
+                  <node concept="1U20sH" id="3sbALnUe8LS" role="lGtFl">
                     <property role="1U20sK" value="error" />
                   </node>
                 </node>
-                <node concept="3$GHV9" id="7rg9TXcyHKj" role="3$GQph" />
-                <node concept="10Oyi0" id="3sbALnUe8LR" role="3$_nBY" />
-                <node concept="1U20sH" id="3sbALnUe8LS" role="lGtFl">
-                  <property role="1U20sK" value="error" />
-                </node>
               </node>
             </node>
           </node>
diff --git a/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/typechecking.samples.baseLanguage.helloWorld.mps b/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/typechecking.samples.baseLanguage.helloWorld.mps
index 9640afd4..bad48bc6 100644
--- a/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/typechecking.samples.baseLanguage.helloWorld.mps
+++ b/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/typechecking.samples.baseLanguage.helloWorld.mps
@@ -21,10 +21,18 @@
       </concept>
       <concept id="1202948039474" name="jetbrains.mps.baseLanguage.structure.InstanceMethodCallOperation" flags="nn" index="liA8E" />
       <concept id="1465982738277781862" name="jetbrains.mps.baseLanguage.structure.PlaceholderMember" flags="ng" index="2tJIrI" />
+      <concept id="1188220165133" name="jetbrains.mps.baseLanguage.structure.ArrayLiteral" flags="nn" index="2BsdOp" />
+      <concept id="2820489544401957797" name="jetbrains.mps.baseLanguage.structure.DefaultClassCreator" flags="nn" index="HV5vD">
+        <reference id="2820489544401957798" name="classifier" index="HV5vE" />
+      </concept>
       <concept id="1197027756228" name="jetbrains.mps.baseLanguage.structure.DotExpression" flags="nn" index="2OqwBi">
         <child id="1197027771414" name="operand" index="2Oq$k0" />
         <child id="1197027833540" name="operation" index="2OqNvi" />
       </concept>
+      <concept id="1145552977093" name="jetbrains.mps.baseLanguage.structure.GenericNewExpression" flags="nn" index="2ShNRf">
+        <child id="1145553007750" name="creator" index="2ShVmc" />
+      </concept>
+      <concept id="5205855332950442198" name="jetbrains.mps.baseLanguage.structure.ArrayCloneOperation" flags="nn" index="2SEQ$1" />
       <concept id="1070475354124" name="jetbrains.mps.baseLanguage.structure.ThisExpression" flags="nn" index="Xjq3P" />
       <concept id="1070475926800" name="jetbrains.mps.baseLanguage.structure.StringLiteral" flags="nn" index="Xl_RD">
         <property id="1070475926801" name="value" index="Xl_RC" />
@@ -36,9 +44,13 @@
       <concept id="1070533707846" name="jetbrains.mps.baseLanguage.structure.StaticFieldReference" flags="nn" index="10M0yZ">
         <reference id="1144433057691" name="classifier" index="1PxDUh" />
       </concept>
+      <concept id="1070533982221" name="jetbrains.mps.baseLanguage.structure.ShortType" flags="in" index="10N3zO" />
       <concept id="1070534058343" name="jetbrains.mps.baseLanguage.structure.NullLiteral" flags="nn" index="10Nm6u" />
       <concept id="1070534370425" name="jetbrains.mps.baseLanguage.structure.IntegerType" flags="in" index="10Oyi0" />
+      <concept id="1070534436861" name="jetbrains.mps.baseLanguage.structure.FloatType" flags="in" index="10OMs4" />
+      <concept id="1070534513062" name="jetbrains.mps.baseLanguage.structure.DoubleType" flags="in" index="10P55v" />
       <concept id="1070534555686" name="jetbrains.mps.baseLanguage.structure.CharType" flags="in" index="10Pfzv" />
+      <concept id="1070534604311" name="jetbrains.mps.baseLanguage.structure.ByteType" flags="in" index="10PrrI" />
       <concept id="1070534644030" name="jetbrains.mps.baseLanguage.structure.BooleanType" flags="in" index="10P_77" />
       <concept id="1070534760951" name="jetbrains.mps.baseLanguage.structure.ArrayType" flags="in" index="10Q1$e">
         <child id="1070534760952" name="componentType" index="10Q1$1" />
@@ -102,6 +114,7 @@
       <concept id="1068581242864" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclarationStatement" flags="nn" index="3cpWs8">
         <child id="1068581242865" name="localVariableDeclaration" index="3cpWs9" />
       </concept>
+      <concept id="1068581242867" name="jetbrains.mps.baseLanguage.structure.LongType" flags="in" index="3cpWsb" />
       <concept id="1068581242863" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclaration" flags="nr" index="3cpWsn" />
       <concept id="1068581517677" name="jetbrains.mps.baseLanguage.structure.VoidType" flags="in" index="3cqZAl" />
       <concept id="1206060495898" name="jetbrains.mps.baseLanguage.structure.ElsifClause" flags="ng" index="3eNFk2">
@@ -355,11 +368,6 @@
             <ref role="3cqZAo" node="xaaVXuQbWz" resolve="b" />
           </node>
           <node concept="3eNFk2" id="79EwspgE48k" role="3eNLev">
-            <node concept="3fqX7Q" id="79EwspgE48$" role="3eO9$A">
-              <node concept="37vLTw" id="79EwspgE48M" role="3fr31v">
-                <ref role="3cqZAo" node="xaaVXuQbWz" resolve="b" />
-              </node>
-            </node>
             <node concept="3clFbS" id="79EwspgE48m" role="3eOfB_">
               <node concept="3clFbF" id="79EwspgEH6m" role="3cqZAp">
                 <node concept="37vLTI" id="79EwspgEHo0" role="3clFbG">
@@ -389,6 +397,11 @@
                 </node>
               </node>
             </node>
+            <node concept="3fqX7Q" id="79EwspgE48$" role="3eO9$A">
+              <node concept="37vLTw" id="79EwspgE48M" role="3fr31v">
+                <ref role="3cqZAo" node="xaaVXuQbWz" resolve="b" />
+              </node>
+            </node>
           </node>
         </node>
         <node concept="3clFbH" id="79EwspgE482" role="3cqZAp" />
@@ -1118,5 +1131,290 @@
     <node concept="2tJIrI" id="4pwDyRC4yjR" role="jymVt" />
     <node concept="3Tm1VV" id="4pwDyRBUfJO" role="1B3o_S" />
   </node>
+  <node concept="312cEu" id="pupwRq_mof">
+    <property role="TrG5h" value="Scratchpad" />
+    <node concept="2tJIrI" id="pupwRq_mTw" role="jymVt" />
+    <node concept="312cEu" id="5XJPBczwaPw" role="jymVt">
+      <property role="2bfB8j" value="true" />
+      <property role="TrG5h" value="Foo" />
+      <node concept="3clFb_" id="k8UccHWkb8" role="jymVt">
+        <property role="TrG5h" value="primboolean" />
+        <node concept="37vLTG" id="k8UccHWlHG" role="3clF46">
+          <property role="TrG5h" value="b0" />
+          <node concept="10P_77" id="k8UccHWmUf" role="1tU5fm" />
+        </node>
+        <node concept="3clFbS" id="k8UccHWkbb" role="3clF47" />
+        <node concept="3Tm1VV" id="k8UccHWh4K" role="1B3o_S" />
+        <node concept="3cqZAl" id="k8UccHWiNe" role="3clF45" />
+      </node>
+      <node concept="2tJIrI" id="5XJPBczwaPC" role="jymVt" />
+      <node concept="3clFb_" id="5XJPBczwaS7" role="jymVt">
+        <property role="TrG5h" value="primchar" />
+        <node concept="37vLTG" id="5XJPBczwaSk" role="3clF46">
+          <property role="TrG5h" value="c" />
+          <node concept="10Pfzv" id="5XJPBczwaSo" role="1tU5fm" />
+        </node>
+        <node concept="3cqZAl" id="5XJPBczwaS9" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczwaSa" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczwaSb" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO6Id" role="jymVt">
+        <property role="TrG5h" value="primbyte" />
+        <node concept="37vLTG" id="5XJPBczO6Ig" role="3clF46">
+          <property role="TrG5h" value="b" />
+          <node concept="10PrrI" id="5XJPBczO6Ih" role="1tU5fm" />
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO6Is" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO6It" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO6Iu" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO6Ka" role="jymVt">
+        <property role="TrG5h" value="primshort" />
+        <node concept="37vLTG" id="5XJPBczO6Kd" role="3clF46">
+          <property role="TrG5h" value="s" />
+          <node concept="10N3zO" id="5XJPBczO6Ke" role="1tU5fm" />
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO6Kn" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO6Ko" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO6Kp" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO6Lx" role="jymVt">
+        <property role="TrG5h" value="primint" />
+        <node concept="37vLTG" id="5XJPBczO6L$" role="3clF46">
+          <property role="TrG5h" value="i" />
+          <node concept="10Oyi0" id="5XJPBczO6L_" role="1tU5fm" />
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO6LG" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO6LH" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO6LI" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO6MO" role="jymVt">
+        <property role="TrG5h" value="primlong" />
+        <node concept="37vLTG" id="5XJPBczO6MR" role="3clF46">
+          <property role="TrG5h" value="l" />
+          <node concept="3cpWsb" id="5XJPBczO6MS" role="1tU5fm" />
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO6MX" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO6MY" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO6MZ" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO6Ol" role="jymVt">
+        <property role="TrG5h" value="primfloat" />
+        <node concept="37vLTG" id="5XJPBczO6Oo" role="3clF46">
+          <property role="TrG5h" value="f" />
+          <node concept="10OMs4" id="5XJPBczO6Op" role="1tU5fm" />
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO6Os" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO6Ot" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO6Ou" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO6PS" role="jymVt">
+        <property role="TrG5h" value="primdouble" />
+        <node concept="37vLTG" id="5XJPBczO6PT" role="3clF46">
+          <property role="TrG5h" value="d" />
+          <node concept="10P55v" id="5XJPBczPMOX" role="1tU5fm" />
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO6PX" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO6PY" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO6PZ" role="3clF47" />
+      </node>
+      <node concept="2tJIrI" id="k8UccHWBqC" role="jymVt" />
+      <node concept="3clFb_" id="k8UccHW_Cb" role="jymVt">
+        <property role="TrG5h" value="boxedBool" />
+        <node concept="37vLTG" id="k8UccHW_Cc" role="3clF46">
+          <property role="TrG5h" value="b0" />
+          <node concept="3uibUv" id="k8UccHWFTD" role="1tU5fm">
+            <ref role="3uigEE" to="wyt6:~Boolean" resolve="Boolean" />
+          </node>
+        </node>
+        <node concept="3cqZAl" id="k8UccHW_Ce" role="3clF45" />
+        <node concept="3Tm1VV" id="k8UccHW_Cf" role="1B3o_S" />
+        <node concept="3clFbS" id="k8UccHW_Cg" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczwaU9" role="jymVt">
+        <property role="TrG5h" value="boxedCharacter" />
+        <node concept="37vLTG" id="5XJPBczweeM" role="3clF46">
+          <property role="TrG5h" value="b" />
+          <node concept="3uibUv" id="5XJPBczXHdC" role="1tU5fm">
+            <ref role="3uigEE" to="wyt6:~Character" resolve="Character" />
+          </node>
+        </node>
+        <node concept="3cqZAl" id="5XJPBczwaUb" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczwaUc" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczwaUd" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO6R7" role="jymVt">
+        <property role="TrG5h" value="boxedByte" />
+        <node concept="37vLTG" id="5XJPBczO6Ra" role="3clF46">
+          <property role="TrG5h" value="b" />
+          <node concept="3uibUv" id="5XJPBczO6Rb" role="1tU5fm">
+            <ref role="3uigEE" to="wyt6:~Byte" resolve="Byte" />
+          </node>
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO6Rm" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO6Rn" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO6Ro" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO6T4" role="jymVt">
+        <property role="TrG5h" value="boxedShort" />
+        <node concept="37vLTG" id="5XJPBczO6T7" role="3clF46">
+          <property role="TrG5h" value="s" />
+          <node concept="3uibUv" id="5XJPBczO6T8" role="1tU5fm">
+            <ref role="3uigEE" to="wyt6:~Short" resolve="Short" />
+          </node>
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO6Th" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO6Ti" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO6Tj" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO6V9" role="jymVt">
+        <property role="TrG5h" value="boxedInteger" />
+        <node concept="37vLTG" id="5XJPBczO6Vc" role="3clF46">
+          <property role="TrG5h" value="i" />
+          <node concept="3uibUv" id="5XJPBczO6Vd" role="1tU5fm">
+            <ref role="3uigEE" to="wyt6:~Integer" resolve="Integer" />
+          </node>
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO6Vk" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO6Vl" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO6Vm" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO71S" role="jymVt">
+        <property role="TrG5h" value="boxedLong" />
+        <node concept="37vLTG" id="5XJPBczO71V" role="3clF46">
+          <property role="TrG5h" value="l" />
+          <node concept="3uibUv" id="5XJPBczO71W" role="1tU5fm">
+            <ref role="3uigEE" to="wyt6:~Long" resolve="Long" />
+          </node>
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO721" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO722" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO723" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO73z" role="jymVt">
+        <property role="TrG5h" value="boxedFloat" />
+        <node concept="37vLTG" id="5XJPBczO73A" role="3clF46">
+          <property role="TrG5h" value="f" />
+          <node concept="3uibUv" id="5XJPBczO73B" role="1tU5fm">
+            <ref role="3uigEE" to="wyt6:~Float" resolve="Float" />
+          </node>
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO73E" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO73F" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO73G" role="3clF47" />
+      </node>
+      <node concept="3clFb_" id="5XJPBczO75c" role="jymVt">
+        <property role="TrG5h" value="boxedDouble" />
+        <node concept="37vLTG" id="5XJPBczO75f" role="3clF46">
+          <property role="TrG5h" value="d" />
+          <node concept="3uibUv" id="5XJPBczO75g" role="1tU5fm">
+            <ref role="3uigEE" to="wyt6:~Double" resolve="Double" />
+          </node>
+        </node>
+        <node concept="3cqZAl" id="5XJPBczO75h" role="3clF45" />
+        <node concept="3Tm1VV" id="5XJPBczO75i" role="1B3o_S" />
+        <node concept="3clFbS" id="5XJPBczO75j" role="3clF47" />
+      </node>
+      <node concept="2tJIrI" id="5XJPBczwaS2" role="jymVt" />
+      <node concept="3Tm1VV" id="5XJPBczwaPx" role="1B3o_S" />
+    </node>
+    <node concept="2tJIrI" id="pupwRq_mUs" role="jymVt" />
+    <node concept="2tJIrI" id="pupwRq_pEW" role="jymVt" />
+    <node concept="3clFb_" id="5XJPBczwehC" role="jymVt">
+      <property role="TrG5h" value="testPrimArg" />
+      <node concept="37vLTG" id="k8UccHWvXH" role="3clF46">
+        <property role="TrG5h" value="b0" />
+        <node concept="10P_77" id="k8UccHWxmc" role="1tU5fm" />
+      </node>
+      <node concept="37vLTG" id="5XJPBczO7Dk" role="3clF46">
+        <property role="TrG5h" value="c" />
+        <node concept="10Pfzv" id="5XJPBczO7Do" role="1tU5fm" />
+      </node>
+      <node concept="37vLTG" id="5XJPBczO7Dr" role="3clF46">
+        <property role="TrG5h" value="b" />
+        <node concept="10PrrI" id="5XJPBczO7Dx" role="1tU5fm" />
+      </node>
+      <node concept="37vLTG" id="5XJPBczO7D$" role="3clF46">
+        <property role="TrG5h" value="s" />
+        <node concept="10N3zO" id="5XJPBczO7E3" role="1tU5fm" />
+      </node>
+      <node concept="37vLTG" id="5XJPBczO7E6" role="3clF46">
+        <property role="TrG5h" value="i" />
+        <node concept="10Oyi0" id="5XJPBczO7Eg" role="1tU5fm" />
+      </node>
+      <node concept="37vLTG" id="5XJPBczO7Ej" role="3clF46">
+        <property role="TrG5h" value="l" />
+        <node concept="3cpWsb" id="5XJPBczO7Ev" role="1tU5fm" />
+      </node>
+      <node concept="37vLTG" id="5XJPBczO7Ey" role="3clF46">
+        <property role="TrG5h" value="f" />
+        <node concept="10OMs4" id="5XJPBczO7EK" role="1tU5fm" />
+      </node>
+      <node concept="37vLTG" id="5XJPBczO7EN" role="3clF46">
+        <property role="TrG5h" value="d" />
+        <node concept="10P55v" id="5XJPBczO7F3" role="1tU5fm" />
+      </node>
+      <node concept="3cqZAl" id="5XJPBczwehE" role="3clF45" />
+      <node concept="3Tm1VV" id="5XJPBczwehF" role="1B3o_S" />
+      <node concept="3clFbS" id="5XJPBczwehG" role="3clF47">
+        <node concept="3clFbF" id="k8UccHWTjs" role="3cqZAp">
+          <node concept="2OqwBi" id="k8UccHWTjt" role="3clFbG">
+            <node concept="2ShNRf" id="k8UccHWTju" role="2Oq$k0">
+              <node concept="HV5vD" id="k8UccHWTjv" role="2ShVmc">
+                <ref role="HV5vE" node="5XJPBczwaPw" resolve="Scratchpad.Foo" />
+              </node>
+            </node>
+            <node concept="liA8E" id="k8UccHWTjw" role="2OqNvi">
+              <ref role="37wK5l" node="k8UccHWkb8" resolve="primboolean" />
+              <node concept="3clFbT" id="k8UccHWTjx" role="37wK5m" />
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="Or3zaWQ8Y" role="3cqZAp" />
+        <node concept="3cpWs8" id="Or3zaWQhv" role="3cqZAp">
+          <node concept="3cpWsn" id="Or3zaWQh_" role="3cpWs9">
+            <property role="TrG5h" value="a1" />
+            <node concept="10Q1$e" id="Or3zaWQhB" role="1tU5fm">
+              <node concept="10Oyi0" id="Or3zaWQhD" role="10Q1$1" />
+            </node>
+            <node concept="2BsdOp" id="Or3zaWQGH" role="33vP2m" />
+          </node>
+        </node>
+        <node concept="3clFbH" id="Or3zaXyNp" role="3cqZAp" />
+        <node concept="3cpWs8" id="Or3zaXySX" role="3cqZAp">
+          <node concept="3cpWsn" id="Or3zaXyT0" role="3cpWs9">
+            <property role="TrG5h" value="test1" />
+            <node concept="10Oyi0" id="Or3zaXySV" role="1tU5fm" />
+            <node concept="3cpWs3" id="Or3zaXzbn" role="33vP2m">
+              <node concept="3cmrfG" id="Or3zaXzbT" role="3uHU7w">
+                <property role="3cmrfH" value="10" />
+              </node>
+              <node concept="3cmrfG" id="Or3zaXyYl" role="3uHU7B">
+                <property role="3cmrfH" value="1" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="Or3zaX$0r" role="3cqZAp" />
+        <node concept="3cpWs8" id="Or3zaX$5F" role="3cqZAp">
+          <node concept="3cpWsn" id="Or3zaX$5I" role="3cpWs9">
+            <property role="TrG5h" value="a2" />
+            <node concept="10Q1$e" id="Or3zaX$er" role="1tU5fm">
+              <node concept="10Oyi0" id="Or3zaX$5D" role="10Q1$1" />
+            </node>
+            <node concept="2OqwBi" id="Or3zaX$lZ" role="33vP2m">
+              <node concept="37vLTw" id="Or3zaX$ji" role="2Oq$k0">
+                <ref role="3cqZAo" node="Or3zaWQh_" resolve="a1" />
+              </node>
+              <node concept="2SEQ$1" id="Or3zaX$tJ" role="2OqNvi" />
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="Or3zaWQOB" role="3cqZAp" />
+      </node>
+    </node>
+    <node concept="2tJIrI" id="pupwRq_pHv" role="jymVt" />
+    <node concept="3Tm1VV" id="pupwRq_mog" role="1B3o_S" />
+  </node>
 </model>
 
diff --git a/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/typechecking.samples.baseLanguage.incrementalBL@tests.mps b/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/typechecking.samples.baseLanguage.incrementalBL@tests.mps
index d409c7e0..d6b1ba9f 100644
--- a/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/typechecking.samples.baseLanguage.incrementalBL@tests.mps
+++ b/samples/mpscore/solutions/typechecking.samples.baseLanguage/models/typechecking.samples.baseLanguage.incrementalBL@tests.mps
@@ -24,10 +24,12 @@
     <import index="i348" ref="r:42a15dec-83a9-4fe1-80d6-3bf898c512bd(jetbrains.mps.lang.coderules.template)" />
     <import index="zx3l" ref="bbf5c548-7111-4a53-a117-cdefc664cf34/java:jetbrains.mps.logic.reactor.core(jetbrains.mps.logic.reactor/)" />
     <import index="w7la" ref="bbf5c548-7111-4a53-a117-cdefc664cf34/java:jetbrains.mps.logic.reactor.evaluation(jetbrains.mps.logic.reactor/)" />
+    <import index="26pr" ref="r:6924fbc1-8fd5-471c-92d4-4cc382db0461(jetbrains.mps.baseLanguageExt.structure)" />
     <import index="wyt6" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.lang(JDK/)" implicit="true" />
     <import index="33ny" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util(JDK/)" implicit="true" />
     <import index="tpcu" ref="r:00000000-0000-4000-0000-011c89590282(jetbrains.mps.lang.core.behavior)" implicit="true" />
     <import index="tpee" ref="r:00000000-0000-4000-0000-011c895902ca(jetbrains.mps.baseLanguage.structure)" implicit="true" />
+    <import index="guwi" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.io(JDK/)" implicit="true" />
   </imports>
   <registry>
     <language id="8585453e-6bfb-4d80-98de-b16074f1d86c" name="jetbrains.mps.lang.test">
@@ -59,6 +61,9 @@
       <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="1465982738277781862" name="jetbrains.mps.baseLanguage.structure.PlaceholderMember" flags="ng" index="2tJIrI" />
+      <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="2820489544401957797" name="jetbrains.mps.baseLanguage.structure.DefaultClassCreator" flags="nn" index="HV5vD">
         <reference id="2820489544401957798" name="classifier" index="HV5vE" />
         <child id="2820489544402271667" name="typeParameter" index="HU9BZ" />
@@ -76,6 +81,7 @@
       <concept id="1070475926800" name="jetbrains.mps.baseLanguage.structure.StringLiteral" flags="nn" index="Xl_RD">
         <property id="1070475926801" name="value" index="Xl_RC" />
       </concept>
+      <concept id="1081236700938" name="jetbrains.mps.baseLanguage.structure.StaticMethodDeclaration" flags="ig" index="2YIFZL" />
       <concept id="1081236700937" name="jetbrains.mps.baseLanguage.structure.StaticMethodCall" flags="nn" index="2YIFZM">
         <reference id="1144433194310" name="classConcept" index="1Pybhc" />
       </concept>
@@ -83,9 +89,15 @@
         <child id="1081256993305" name="classType" index="2ZW6by" />
         <child id="1081256993304" name="leftExpression" index="2ZW6bz" />
       </concept>
+      <concept id="1070533707846" name="jetbrains.mps.baseLanguage.structure.StaticFieldReference" flags="nn" index="10M0yZ">
+        <reference id="1144433057691" name="classifier" index="1PxDUh" />
+      </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="1070534760951" name="jetbrains.mps.baseLanguage.structure.ArrayType" flags="in" index="10Q1$e">
+        <child id="1070534760952" name="componentType" index="10Q1$1" />
+      </concept>
       <concept id="1068390468198" name="jetbrains.mps.baseLanguage.structure.ClassConcept" flags="ig" index="312cEu">
         <child id="1165602531693" name="superclass" index="1zkMxy" />
       </concept>
@@ -145,6 +157,11 @@
       <concept id="1068581242863" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclaration" flags="nr" index="3cpWsn" />
       <concept id="1068581517677" name="jetbrains.mps.baseLanguage.structure.VoidType" flags="in" index="3cqZAl" />
       <concept id="1081506762703" name="jetbrains.mps.baseLanguage.structure.GreaterThanExpression" flags="nn" index="3eOSWO" />
+      <concept id="1081506773034" name="jetbrains.mps.baseLanguage.structure.LessThanExpression" flags="nn" index="3eOVzh" />
+      <concept id="1154542696413" name="jetbrains.mps.baseLanguage.structure.ArrayCreatorWithInitializer" flags="nn" index="3g6Rrh">
+        <child id="1154542793668" name="componentType" index="3g7fb8" />
+        <child id="1154542803372" name="initValue" index="3g7hyw" />
+      </concept>
       <concept id="1204053956946" name="jetbrains.mps.baseLanguage.structure.IMethodCall" flags="ng" index="1ndlxa">
         <reference id="1068499141037" name="baseMethodDeclaration" index="37wK5l" />
         <child id="1068499141038" name="actualArgument" index="37wK5m" />
@@ -169,10 +186,25 @@
         <child id="1081773367579" name="rightExpression" index="3uHU7w" />
         <child id="1081773367580" name="leftExpression" index="3uHU7B" />
       </concept>
+      <concept id="1214918800624" name="jetbrains.mps.baseLanguage.structure.PostfixIncrementExpression" flags="nn" index="3uNrnE" />
       <concept id="1073239437375" name="jetbrains.mps.baseLanguage.structure.NotEqualsExpression" flags="nn" index="3y3z36" />
+      <concept id="1184950988562" name="jetbrains.mps.baseLanguage.structure.ArrayCreator" flags="nn" index="3$_iS1">
+        <child id="1184951007469" name="componentType" index="3$_nBY" />
+        <child id="1184952969026" name="dimensionExpression" index="3$GQph" />
+      </concept>
+      <concept id="1184952934362" name="jetbrains.mps.baseLanguage.structure.DimensionExpression" flags="nn" index="3$GHV9">
+        <child id="1184953288404" name="expression" index="3$I4v7" />
+      </concept>
       <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="6329021646629104954" name="jetbrains.mps.baseLanguage.structure.SingleLineComment" flags="nn" index="3SKdUt">
         <child id="1350122676458893092" name="text" index="3ndbpf" />
       </concept>
@@ -217,17 +249,24 @@
       </concept>
     </language>
     <language id="7866978e-a0f0-4cc7-81bc-4d213d9375e1" name="jetbrains.mps.lang.smodel">
+      <concept id="1179168000618" name="jetbrains.mps.lang.smodel.structure.Node_GetIndexInParentOperation" flags="nn" index="2bSWHS" />
       <concept id="1179409122411" name="jetbrains.mps.lang.smodel.structure.Node_ConceptMethodCall" flags="nn" index="2qgKlT" />
       <concept id="1145404486709" name="jetbrains.mps.lang.smodel.structure.SemanticDowncastExpression" flags="nn" index="2JrnkZ">
         <child id="1145404616321" name="leftExpression" index="2JrQYb" />
       </concept>
       <concept id="1227264722563" name="jetbrains.mps.lang.smodel.structure.EqualsStructurallyExpression" flags="nn" index="2YFouu" />
+      <concept id="3562215692195599741" name="jetbrains.mps.lang.smodel.structure.SLinkImplicitSelect" flags="nn" index="13MTOL">
+        <reference id="3562215692195600259" name="link" index="13MTZf" />
+      </concept>
       <concept id="1139613262185" name="jetbrains.mps.lang.smodel.structure.Node_GetParentOperation" flags="nn" index="1mfA1w" />
+      <concept id="1171999116870" name="jetbrains.mps.lang.smodel.structure.Node_IsNullOperation" flags="nn" index="3w_OXm" />
       <concept id="1144146199828" name="jetbrains.mps.lang.smodel.structure.Node_CopyOperation" flags="nn" index="1$rogu" />
       <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>
@@ -303,13 +342,20 @@
         <child id="1197683475734" name="valueType" index="3rvSg0" />
       </concept>
       <concept id="1165525191778" name="jetbrains.mps.baseLanguage.collections.structure.GetFirstOperation" flags="nn" index="1uHKPH" />
+      <concept id="1165530316231" name="jetbrains.mps.baseLanguage.collections.structure.IsEmptyOperation" flags="nn" index="1v1jN8" />
+      <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="1165595910856" name="jetbrains.mps.baseLanguage.collections.structure.GetLastOperation" flags="nn" index="1yVyf7" />
+      <concept id="1225727723840" name="jetbrains.mps.baseLanguage.collections.structure.FindFirstOperation" flags="nn" index="1z4cxt" />
       <concept id="1240824834947" name="jetbrains.mps.baseLanguage.collections.structure.ValueAccessOperation" flags="nn" index="3AV6Ez" />
       <concept id="1240825616499" name="jetbrains.mps.baseLanguage.collections.structure.KeyAccessOperation" flags="nn" index="3AY5_j" />
       <concept id="1197932370469" name="jetbrains.mps.baseLanguage.collections.structure.MapElement" flags="nn" index="3EllGN">
         <child id="1197932505799" name="map" index="3ElQJh" />
         <child id="1197932525128" name="key" index="3ElVtu" />
       </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>
   </registry>
@@ -4805,5 +4851,338 @@
   <node concept="2XOHcx" id="6gZak$ALGJE">
     <property role="2XOHcw" value="${mpscore_home}" />
   </node>
+  <node concept="1lH9Xt" id="7rg9TXcHHa0">
+    <property role="TrG5h" value="Scratchpad" />
+    <node concept="1LZb2c" id="3M0B6RCJyWq" role="1SL9yI">
+      <property role="TrG5h" value="trySomeShit" />
+      <node concept="3cqZAl" id="3M0B6RCJyWr" role="3clF45" />
+      <node concept="3clFbS" id="3M0B6RCJyWv" role="3clF47">
+        <node concept="3vwNmj" id="3M0B6RCJyXR" role="3cqZAp">
+          <node concept="2OqwBi" id="3M0B6RCJEAw" role="3vwVQn">
+            <node concept="2OqwBi" id="3M0B6RCJBYu" role="2Oq$k0">
+              <node concept="2OqwBi" id="3M0B6RCJz$G" role="2Oq$k0">
+                <node concept="3xONca" id="3M0B6RCJFmp" role="2Oq$k0">
+                  <ref role="3xOPvv" node="3M0B6RCJzsD" resolve="arrCreator2" />
+                </node>
+                <node concept="3Tsc0h" id="3M0B6RCJAB0" role="2OqNvi">
+                  <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
+                </node>
+              </node>
+              <node concept="13MTOL" id="3M0B6RCJE5A" role="2OqNvi">
+                <ref role="13MTZf" to="tpee:hf$I4rk" resolve="expression" />
+              </node>
+            </node>
+            <node concept="3GX2aA" id="3M0B6RCJFyB" role="2OqNvi" />
+          </node>
+        </node>
+        <node concept="3vwNmj" id="3M0B6RCJFf6" role="3cqZAp">
+          <node concept="2OqwBi" id="3M0B6RCJFf7" role="3vwVQn">
+            <node concept="2OqwBi" id="3M0B6RCJFf8" role="2Oq$k0">
+              <node concept="2OqwBi" id="3M0B6RCJFf9" role="2Oq$k0">
+                <node concept="3xONca" id="3M0B6RCJFfa" role="2Oq$k0">
+                  <ref role="3xOPvv" node="3M0B6RCJ_lq" resolve="arrCreator3" />
+                </node>
+                <node concept="3Tsc0h" id="3M0B6RCJFfb" role="2OqNvi">
+                  <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
+                </node>
+              </node>
+              <node concept="13MTOL" id="3M0B6RCJFfc" role="2OqNvi">
+                <ref role="13MTZf" to="tpee:hf$I4rk" resolve="expression" />
+              </node>
+            </node>
+            <node concept="1v1jN8" id="3M0B6RCJFfd" role="2OqNvi" />
+          </node>
+        </node>
+        <node concept="3clFbH" id="7rg9TXcIokx" role="3cqZAp" />
+        <node concept="3cpWs8" id="7rg9TXcIzsD" role="3cqZAp">
+          <node concept="3cpWsn" id="7rg9TXcIzsG" role="3cpWs9">
+            <property role="TrG5h" value="arrc" />
+            <node concept="3Tqbb2" id="7rg9TXcIzsB" role="1tU5fm">
+              <ref role="ehGHo" to="tpee:hf$_iWi" resolve="ArrayCreator" />
+            </node>
+            <node concept="3xONca" id="7rg9TXcIztX" role="33vP2m">
+              <ref role="3xOPvv" node="7rg9TXcIo9k" resolve="arrCreator4" />
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="7rg9TXcIzFt" role="3cqZAp">
+          <node concept="3cpWsn" id="7rg9TXcIzFw" role="3cpWs9">
+            <property role="TrG5h" value="ndims" />
+            <node concept="10Oyi0" id="7rg9TXcIzFr" role="1tU5fm" />
+            <node concept="2OqwBi" id="7rg9TXcI_oq" role="33vP2m">
+              <node concept="2OqwBi" id="7rg9TXcIzOP" role="2Oq$k0">
+                <node concept="37vLTw" id="7rg9TXcIzGU" role="2Oq$k0">
+                  <ref role="3cqZAo" node="7rg9TXcIzsG" resolve="arrc" />
+                </node>
+                <node concept="3Tsc0h" id="7rg9TXcI$0J" role="2OqNvi">
+                  <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
+                </node>
+              </node>
+              <node concept="34oBXx" id="7rg9TXcIBtK" role="2OqNvi" />
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="3sbALnUgpas" role="3cqZAp">
+          <node concept="3cpWsn" id="3sbALnUgpav" role="3cpWs9">
+            <property role="TrG5h" value="firstEmptyDimIdx" />
+            <node concept="10Oyi0" id="1lzLQ0z_qjx" role="1tU5fm" />
+            <node concept="2OqwBi" id="7rg9TXcIDSF" role="33vP2m">
+              <node concept="2OqwBi" id="7rg9TXcIDzF" role="2Oq$k0">
+                <node concept="2OqwBi" id="7rg9TXcIC53" role="2Oq$k0">
+                  <node concept="37vLTw" id="7rg9TXcIBX0" role="2Oq$k0">
+                    <ref role="3cqZAo" node="7rg9TXcIzsG" resolve="arrc" />
+                  </node>
+                  <node concept="3Tsc0h" id="7rg9TXcICgX" role="2OqNvi">
+                    <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
+                  </node>
+                </node>
+                <node concept="1z4cxt" id="3sbALnUg7ej" role="2OqNvi">
+                  <node concept="1bVj0M" id="3sbALnUg7el" role="23t8la">
+                    <node concept="3clFbS" id="3sbALnUg7em" role="1bW5cS">
+                      <node concept="3clFbF" id="3sbALnUg7nk" role="3cqZAp">
+                        <node concept="2OqwBi" id="3sbALnUg7X_" role="3clFbG">
+                          <node concept="2OqwBi" id="3sbALnUg7vm" role="2Oq$k0">
+                            <node concept="37vLTw" id="3sbALnUg7nj" role="2Oq$k0">
+                              <ref role="3cqZAo" node="3sbALnUg7en" resolve="it" />
+                            </node>
+                            <node concept="3TrEf2" id="3sbALnUg7EZ" role="2OqNvi">
+                              <ref role="3Tt5mk" to="tpee:hf$I4rk" resolve="expression" />
+                            </node>
+                          </node>
+                          <node concept="3w_OXm" id="3sbALnUg8br" role="2OqNvi" />
+                        </node>
+                      </node>
+                    </node>
+                    <node concept="Rh6nW" id="3sbALnUg7en" role="1bW2Oz">
+                      <property role="TrG5h" value="it" />
+                      <node concept="2jxLKc" id="3sbALnUg7eo" role="1tU5fm" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+              <node concept="2bSWHS" id="7rg9TXcIE6s" role="2OqNvi" />
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="7rg9TXcIE6T" role="3cqZAp" />
+        <node concept="3clFbF" id="7rg9TXcIE97" role="3cqZAp">
+          <node concept="2OqwBi" id="7rg9TXcIE94" role="3clFbG">
+            <node concept="10M0yZ" id="7rg9TXcIE95" role="2Oq$k0">
+              <ref role="1PxDUh" to="wyt6:~System" resolve="System" />
+              <ref role="3cqZAo" to="wyt6:~System.out" resolve="out" />
+            </node>
+            <node concept="liA8E" id="7rg9TXcIE96" role="2OqNvi">
+              <ref role="37wK5l" to="guwi:~PrintStream.println(java.lang.String)" resolve="println" />
+              <node concept="3cpWs3" id="7rg9TXcIFI8" role="37wK5m">
+                <node concept="3cpWs3" id="7rg9TXcIFL5" role="3uHU7B">
+                  <node concept="Xl_RD" id="7rg9TXcIFPk" role="3uHU7w">
+                    <property role="Xl_RC" value="; " />
+                  </node>
+                  <node concept="37vLTw" id="7rg9TXcIFNZ" role="3uHU7B">
+                    <ref role="3cqZAo" node="7rg9TXcIzFw" resolve="ndims" />
+                  </node>
+                </node>
+                <node concept="37vLTw" id="7rg9TXcIFcj" role="3uHU7w">
+                  <ref role="3cqZAo" node="3sbALnUgpav" resolve="firstEmptyDimIdx" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="7rg9TXcIzs5" role="3cqZAp" />
+        <node concept="1Dw8fO" id="3sbALnUgbVc" role="3cqZAp">
+          <node concept="3clFbS" id="3sbALnUgbVe" role="2LFqv$">
+            <node concept="3cpWs8" id="3sbALnUgj0e" role="3cqZAp">
+              <node concept="3cpWsn" id="3sbALnUgj0h" role="3cpWs9">
+                <property role="TrG5h" value="dim" />
+                <node concept="3Tqbb2" id="3sbALnUgj0c" role="1tU5fm">
+                  <ref role="ehGHo" to="tpee:hf$GHZq" resolve="DimensionExpression" />
+                </node>
+                <node concept="1y4W85" id="7rg9TXcIRzf" role="33vP2m">
+                  <node concept="37vLTw" id="7rg9TXcIRA7" role="1y58nS">
+                    <ref role="3cqZAo" node="3sbALnUgbVf" resolve="i" />
+                  </node>
+                  <node concept="2OqwBi" id="7rg9TXcIPJ4" role="1y566C">
+                    <node concept="37vLTw" id="7rg9TXcIPAZ" role="2Oq$k0">
+                      <ref role="3cqZAo" node="7rg9TXcIzsG" resolve="arrc" />
+                    </node>
+                    <node concept="3Tsc0h" id="7rg9TXcIPUY" role="2OqNvi">
+                      <ref role="3TtcxE" to="tpee:hf$GQt2" resolve="dimensionExpression" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3clFbH" id="7rg9TXcIRAJ" role="3cqZAp" />
+            <node concept="3clFbF" id="7rg9TXcIRBp" role="3cqZAp">
+              <node concept="2OqwBi" id="7rg9TXcIRBm" role="3clFbG">
+                <node concept="10M0yZ" id="7rg9TXcIRBn" role="2Oq$k0">
+                  <ref role="1PxDUh" to="wyt6:~System" resolve="System" />
+                  <ref role="3cqZAo" to="wyt6:~System.out" resolve="out" />
+                </node>
+                <node concept="liA8E" id="7rg9TXcIRBo" role="2OqNvi">
+                  <ref role="37wK5l" to="guwi:~PrintStream.println(java.lang.String)" resolve="println" />
+                  <node concept="3cpWs3" id="7rg9TXcISac" role="37wK5m">
+                    <node concept="2OqwBi" id="7rg9TXcIStH" role="3uHU7w">
+                      <node concept="37vLTw" id="7rg9TXcISd1" role="2Oq$k0">
+                        <ref role="3cqZAo" node="3sbALnUgj0h" resolve="dim" />
+                      </node>
+                      <node concept="3TrEf2" id="7rg9TXcISEg" role="2OqNvi">
+                        <ref role="3Tt5mk" to="tpee:hf$I4rk" resolve="expression" />
+                      </node>
+                    </node>
+                    <node concept="Xl_RD" id="7rg9TXcIRMJ" role="3uHU7B">
+                      <property role="Xl_RC" value="dim=" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="3cpWsn" id="3sbALnUgbVf" role="1Duv9x">
+            <property role="TrG5h" value="i" />
+            <node concept="10Oyi0" id="3sbALnUgc1r" role="1tU5fm" />
+            <node concept="37vLTw" id="1lzLQ0z_tPy" role="33vP2m">
+              <ref role="3cqZAo" node="3sbALnUgpav" resolve="firstEmptyDimIdx" />
+            </node>
+          </node>
+          <node concept="3eOVzh" id="3sbALnUgddr" role="1Dwp0S">
+            <node concept="37vLTw" id="3sbALnUgdhv" role="3uHU7w">
+              <ref role="3cqZAo" node="7rg9TXcIzFw" resolve="ndims" />
+            </node>
+            <node concept="37vLTw" id="3sbALnUgcoI" role="3uHU7B">
+              <ref role="3cqZAo" node="3sbALnUgbVf" resolve="i" />
+            </node>
+          </node>
+          <node concept="3uNrnE" id="3sbALnUgefT" role="1Dwrff">
+            <node concept="37vLTw" id="3sbALnUgefV" role="2$L3a6">
+              <ref role="3cqZAo" node="3sbALnUgbVf" resolve="i" />
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="7rg9TXcIOXT" role="3cqZAp" />
+      </node>
+    </node>
+    <node concept="1qefOq" id="3M0B6RCJxtY" role="1SKRRt">
+      <node concept="312cEu" id="3M0B6RCJxuX" role="1qenE9">
+        <property role="TrG5h" value="Nothing" />
+        <node concept="2YIFZL" id="3M0B6RCJxwj" role="jymVt">
+          <property role="TrG5h" value="foo" />
+          <node concept="3clFbS" id="3M0B6RCJxwm" role="3clF47">
+            <node concept="3cpWs8" id="3M0B6RCJxwX" role="3cqZAp">
+              <node concept="3cpWsn" id="3M0B6RCJxx0" role="3cpWs9">
+                <property role="TrG5h" value="a1" />
+                <node concept="10Q1$e" id="3M0B6RCJxxc" role="1tU5fm">
+                  <node concept="10Oyi0" id="3M0B6RCJxwW" role="10Q1$1" />
+                </node>
+                <node concept="2ShNRf" id="3M0B6RCJyI2" role="33vP2m">
+                  <node concept="3g6Rrh" id="3M0B6RCJyPE" role="2ShVmc">
+                    <node concept="10Oyi0" id="3M0B6RCJyKJ" role="3g7fb8" />
+                    <node concept="3cmrfG" id="3M0B6RCJyQs" role="3g7hyw">
+                      <property role="3cmrfH" value="2" />
+                    </node>
+                    <node concept="3cmrfG" id="3M0B6RCJyRL" role="3g7hyw">
+                      <property role="3cmrfH" value="3" />
+                    </node>
+                    <node concept="3cmrfG" id="3M0B6RCJyTi" role="3g7hyw">
+                      <property role="3cmrfH" value="4" />
+                    </node>
+                    <node concept="3xLA65" id="3M0B6RCJz8f" role="lGtFl">
+                      <property role="TrG5h" value="arrCreator1" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3cpWs8" id="3M0B6RCJxyd" role="3cqZAp">
+              <node concept="3cpWsn" id="3M0B6RCJxyj" role="3cpWs9">
+                <property role="TrG5h" value="a2" />
+                <node concept="10Q1$e" id="3M0B6RCJxyl" role="1tU5fm">
+                  <node concept="10Oyi0" id="3M0B6RCJxyn" role="10Q1$1" />
+                </node>
+                <node concept="2ShNRf" id="3M0B6RCJxzv" role="33vP2m">
+                  <node concept="3$_iS1" id="3M0B6RCJyGl" role="2ShVmc">
+                    <node concept="3$GHV9" id="3M0B6RCJyGn" role="3$GQph">
+                      <node concept="3cmrfG" id="3M0B6RCJyH2" role="3$I4v7">
+                        <property role="3cmrfH" value="2" />
+                      </node>
+                    </node>
+                    <node concept="3$GHV9" id="Or3zaW8mH" role="3$GQph" />
+                    <node concept="10Oyi0" id="3M0B6RCJxAn" role="3$_nBY" />
+                    <node concept="3xLA65" id="3M0B6RCJzsD" role="lGtFl">
+                      <property role="TrG5h" value="arrCreator2" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3cpWs8" id="3M0B6RCJ_lh" role="3cqZAp">
+              <node concept="3cpWsn" id="3M0B6RCJ_li" role="3cpWs9">
+                <property role="TrG5h" value="a3" />
+                <node concept="10Q1$e" id="3M0B6RCJ_lj" role="1tU5fm">
+                  <node concept="10Oyi0" id="3M0B6RCJ_lk" role="10Q1$1" />
+                </node>
+                <node concept="2ShNRf" id="3M0B6RCJ_ll" role="33vP2m">
+                  <node concept="3$_iS1" id="3M0B6RCJ_lm" role="2ShVmc">
+                    <node concept="3$GHV9" id="3M0B6RCJ_ln" role="3$GQph" />
+                    <node concept="10Oyi0" id="3M0B6RCJ_lp" role="3$_nBY" />
+                    <node concept="3xLA65" id="3M0B6RCJ_lq" role="lGtFl">
+                      <property role="TrG5h" value="arrCreator3" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3clFbH" id="7rg9TXcIlBy" role="3cqZAp" />
+            <node concept="3cpWs8" id="7rg9TXcIlE1" role="3cqZAp">
+              <node concept="3cpWsn" id="7rg9TXcIlE7" role="3cpWs9">
+                <property role="TrG5h" value="a4e" />
+                <node concept="10Q1$e" id="7rg9TXcIOnb" role="1tU5fm">
+                  <node concept="10Q1$e" id="7rg9TXcIlGr" role="10Q1$1">
+                    <node concept="10Q1$e" id="7rg9TXcIlFJ" role="10Q1$1">
+                      <node concept="10Q1$e" id="7rg9TXcIlF$" role="10Q1$1">
+                        <node concept="10Q1$e" id="7rg9TXcIlE9" role="10Q1$1">
+                          <node concept="10Oyi0" id="7rg9TXcIlEb" role="10Q1$1" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+                <node concept="2ShNRf" id="7rg9TXcIlKI" role="33vP2m">
+                  <node concept="3$_iS1" id="7rg9TXcImWr" role="2ShVmc">
+                    <node concept="3$GHV9" id="7rg9TXcImWt" role="3$GQph">
+                      <node concept="3cmrfG" id="7rg9TXcIn03" role="3$I4v7">
+                        <property role="3cmrfH" value="3" />
+                      </node>
+                    </node>
+                    <node concept="3$GHV9" id="7rg9TXcIn3A" role="3$GQph">
+                      <node concept="3cmrfG" id="7rg9TXcIn7K" role="3$I4v7">
+                        <property role="3cmrfH" value="3" />
+                      </node>
+                    </node>
+                    <node concept="3$GHV9" id="7rg9TXcInbZ" role="3$GQph" />
+                    <node concept="3$GHV9" id="7rg9TXcInj0" role="3$GQph">
+                      <node concept="3cmrfG" id="7rg9TXcInlA" role="3$I4v7">
+                        <property role="3cmrfH" value="3" />
+                      </node>
+                    </node>
+                    <node concept="3$GHV9" id="7rg9TXcIOPM" role="3$GQph" />
+                    <node concept="10Oyi0" id="7rg9TXcIlPE" role="3$_nBY" />
+                    <node concept="3xLA65" id="7rg9TXcIo9k" role="lGtFl">
+                      <property role="TrG5h" value="arrCreator4" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3clFbH" id="3M0B6RCJxyJ" role="3cqZAp" />
+          </node>
+          <node concept="3Tm1VV" id="3M0B6RCJxvR" role="1B3o_S" />
+          <node concept="3cqZAl" id="3M0B6RCJxwA" role="3clF45" />
+        </node>
+        <node concept="3Tm1VV" id="3M0B6RCJxuY" role="1B3o_S" />
+      </node>
+    </node>
+  </node>
 </model>