diff --git a/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/languageModels/intentions.mps b/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/languageModels/intentions.mps
index abb5fd6d8c..9202d1e139 100644
--- a/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/languageModels/intentions.mps
+++ b/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/languageModels/intentions.mps
@@ -93,7 +93,6 @@
         <reference id="1144433194310" name="classConcept" index="1Pybhc" />
       </concept>
       <concept id="1070534058343" name="jetbrains.mps.baseLanguage.structure.NullLiteral" flags="nn" index="10Nm6u" />
-      <concept id="1070534644030" name="jetbrains.mps.baseLanguage.structure.BooleanType" flags="in" index="10P_77" />
       <concept id="1068390468198" name="jetbrains.mps.baseLanguage.structure.ClassConcept" flags="ig" index="312cEu" />
       <concept id="1068431474542" name="jetbrains.mps.baseLanguage.structure.VariableDeclaration" flags="ng" index="33uBYm">
         <property id="1176718929932" name="isFinal" index="3TUv4t" />
@@ -241,9 +240,6 @@
       <concept id="1179409122411" name="jetbrains.mps.lang.smodel.structure.Node_ConceptMethodCall" flags="nn" index="2qgKlT" />
       <concept id="1138757581985" name="jetbrains.mps.lang.smodel.structure.Link_SetNewChildOperation" flags="nn" index="zfrQC" />
       <concept id="1171407110247" name="jetbrains.mps.lang.smodel.structure.Node_GetAncestorOperation" flags="nn" index="2Xjw5R" />
-      <concept id="2644386474300074836" name="jetbrains.mps.lang.smodel.structure.ConceptIdRefExpression" flags="nn" index="35c_gC">
-        <reference id="2644386474300074837" name="conceptDeclaration" index="35c_gD" />
-      </concept>
       <concept id="1139613262185" name="jetbrains.mps.lang.smodel.structure.Node_GetParentOperation" flags="nn" index="1mfA1w" />
       <concept id="1139621453865" name="jetbrains.mps.lang.smodel.structure.Node_IsInstanceOfOperation" flags="nn" index="1mIQ4w">
         <child id="1177027386292" name="conceptArgument" index="cj9EA" />
@@ -477,84 +473,6 @@
     </node>
     <node concept="2SaL7w" id="3m8H$lmFM7n" role="2ZfVeh">
       <node concept="3clFbS" id="3m8H$lmFM7o" role="2VODD2">
-        <node concept="3SKdUt" id="63CFXsSfYx" role="3cqZAp">
-          <node concept="1PaTwC" id="13p6s1wtie2" role="1aUNEU">
-            <node concept="3oM_SD" id="13p6s1wtie3" role="1PaTwD">
-              <property role="3oM_SC" value="We" />
-            </node>
-            <node concept="3oM_SD" id="13p6s1wtie4" role="1PaTwD">
-              <property role="3oM_SC" value="check" />
-            </node>
-            <node concept="3oM_SD" id="13p6s1wtie5" role="1PaTwD">
-              <property role="3oM_SC" value="canBeAncestor" />
-            </node>
-            <node concept="3oM_SD" id="13p6s1wtie6" role="1PaTwD">
-              <property role="3oM_SC" value="constraint" />
-            </node>
-            <node concept="3oM_SD" id="13p6s1wtie7" role="1PaTwD">
-              <property role="3oM_SC" value="from" />
-            </node>
-            <node concept="3oM_SD" id="13p6s1wtie8" role="1PaTwD">
-              <property role="3oM_SC" value="parent" />
-            </node>
-            <node concept="3oM_SD" id="13p6s1wtie9" role="1PaTwD">
-              <property role="3oM_SC" value="node" />
-            </node>
-          </node>
-        </node>
-        <node concept="3cpWs8" id="63CFXsPEld" role="3cqZAp">
-          <node concept="3cpWsn" id="63CFXsPEle" role="3cpWs9">
-            <property role="TrG5h" value="canBeAncestor" />
-            <node concept="10P_77" id="63CFXsPEl7" role="1tU5fm" />
-            <node concept="2OqwBi" id="6g_o1CJCW_C" role="33vP2m">
-              <node concept="2YIFZM" id="6g_o1CJCXcf" role="2Oq$k0">
-                <ref role="37wK5l" to="ykok:~ConstraintsCanBeFacade.checkCanBeAncestor(jetbrains.mps.core.aspects.constraints.rules.kinds.CanBeAncestorContext)" resolve="checkCanBeAncestor" />
-                <ref role="1Pybhc" to="ykok:~ConstraintsCanBeFacade" resolve="ConstraintsCanBeFacade" />
-                <node concept="2OqwBi" id="6g_o1CJCXcg" role="37wK5m">
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-                        <node concept="1pGfFk" id="6g_o1CJCXck" role="2ShVmc">
-                          <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.&lt;init&gt;()" resolve="CanBeAncestorContext.Builder" />
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-                      </node>
-                      <node concept="liA8E" id="6g_o1CJCXcl" role="2OqNvi">
-                        <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.ancestorNode(org.jetbrains.mps.openapi.model.SNode)" resolve="ancestorNode" />
-                        <node concept="2Sf5sV" id="6g_o1CJCXcm" role="37wK5m" />
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-                    <node concept="liA8E" id="6g_o1CJCXcn" role="2OqNvi">
-                      <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.childConcept(org.jetbrains.mps.openapi.language.SAbstractConcept)" resolve="childConcept" />
-                      <node concept="35c_gC" id="6g_o1CJCXco" role="37wK5m">
-                        <ref role="35c_gD" to="vs0r:3m8H$lmFM5W" resolve="ElementDocumentation" />
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-                  <node concept="liA8E" id="6g_o1CJCXcp" role="2OqNvi">
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-        <node concept="3clFbJ" id="3ni3WidACYr" role="3cqZAp">
-          <node concept="3clFbS" id="3ni3WidACYt" role="3clFbx">
-            <node concept="3cpWs6" id="3ni3WidADD4" role="3cqZAp">
-              <node concept="3clFbT" id="3ni3WidADP1" role="3cqZAk">
-                <property role="3clFbU" value="false" />
-              </node>
-            </node>
-          </node>
-          <node concept="3fqX7Q" id="3ni3WidADeh" role="3clFbw">
-            <node concept="37vLTw" id="3ni3WidADq0" role="3fr31v">
-              <ref role="3cqZAo" node="63CFXsPEle" resolve="canBeAncestor" />
-            </node>
-          </node>
-        </node>
         <node concept="3clFbJ" id="3ni3WidA_sU" role="3cqZAp">
           <node concept="3clFbS" id="3ni3WidA_sW" role="3clFbx">
             <node concept="3cpWs6" id="3ni3WidAAcT" role="3cqZAp">
diff --git a/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/solutions/pluginSolution/models/com/mbeddr/core/base/pluginSolution/plugin.mps b/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/solutions/pluginSolution/models/com/mbeddr/core/base/pluginSolution/plugin.mps
index e9655c1d24..d8fdb25f33 100755
--- a/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/solutions/pluginSolution/models/com/mbeddr/core/base/pluginSolution/plugin.mps
+++ b/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/solutions/pluginSolution/models/com/mbeddr/core/base/pluginSolution/plugin.mps
@@ -22856,64 +22856,6 @@
             </node>
           </node>
         </node>
-        <node concept="3cpWs8" id="63CFXsPEld" role="3cqZAp">
-          <node concept="3cpWsn" id="63CFXsPEle" role="3cpWs9">
-            <property role="TrG5h" value="canBeAncestor" />
-            <node concept="10P_77" id="63CFXsPEl7" role="1tU5fm" />
-            <node concept="2OqwBi" id="6g_o1CJDrc_" role="33vP2m">
-              <node concept="2YIFZM" id="6g_o1CJDrNG" role="2Oq$k0">
-                <ref role="37wK5l" to="ykok:~ConstraintsCanBeFacade.checkCanBeAncestor(jetbrains.mps.core.aspects.constraints.rules.kinds.CanBeAncestorContext)" resolve="checkCanBeAncestor" />
-                <ref role="1Pybhc" to="ykok:~ConstraintsCanBeFacade" resolve="ConstraintsCanBeFacade" />
-                <node concept="2OqwBi" id="6g_o1CJDrNH" role="37wK5m">
-                  <node concept="2OqwBi" id="6g_o1CJDrNI" role="2Oq$k0">
-                    <node concept="2OqwBi" id="6g_o1CJDrNJ" role="2Oq$k0">
-                      <node concept="2ShNRf" id="6g_o1CJDrNK" role="2Oq$k0">
-                        <node concept="1pGfFk" id="6g_o1CJDrNL" role="2ShVmc">
-                          <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.&lt;init&gt;()" resolve="CanBeAncestorContext.Builder" />
-                        </node>
-                      </node>
-                      <node concept="liA8E" id="6g_o1CJDrNM" role="2OqNvi">
-                        <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.ancestorNode(org.jetbrains.mps.openapi.model.SNode)" resolve="ancestorNode" />
-                        <node concept="2OqwBi" id="6g_o1CJDrNN" role="37wK5m">
-                          <node concept="2WthIp" id="6g_o1CJDrNO" role="2Oq$k0" />
-                          <node concept="3gHZIF" id="6g_o1CJDrNP" role="2OqNvi">
-                            <ref role="2WH_rO" node="7HcPDtliWhO" resolve="contextNode" />
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-                    <node concept="liA8E" id="6g_o1CJDrNQ" role="2OqNvi">
-                      <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.childConcept(org.jetbrains.mps.openapi.language.SAbstractConcept)" resolve="childConcept" />
-                      <node concept="35c_gC" id="6g_o1CJDrNR" role="37wK5m">
-                        <ref role="35c_gD" to="vs0r:3m8H$lmFM5W" resolve="ElementDocumentation" />
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-                    </node>
-                  </node>
-                  <node concept="liA8E" id="6g_o1CJDrNS" role="2OqNvi">
-                    <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.build()" resolve="build" />
-                  </node>
-                </node>
-              </node>
-              <node concept="liA8E" id="6g_o1CJDsOX" role="2OqNvi">
-                <ref role="37wK5l" to="33ny:~List.isEmpty()" resolve="isEmpty" />
-              </node>
-            </node>
-          </node>
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-        <node concept="3clFbJ" id="3ni3WidACYr" role="3cqZAp">
-          <node concept="3clFbS" id="3ni3WidACYt" role="3clFbx">
-            <node concept="3cpWs6" id="3ni3WidADD4" role="3cqZAp">
-              <node concept="3clFbT" id="3ni3WidADP1" role="3cqZAk">
-                <property role="3clFbU" value="false" />
-              </node>
-            </node>
-          </node>
-          <node concept="3fqX7Q" id="3ni3WidADeh" role="3clFbw">
-            <node concept="37vLTw" id="3ni3WidADq0" role="3fr31v">
-              <ref role="3cqZAo" node="63CFXsPEle" resolve="canBeAncestor" />
-            </node>
-          </node>
-        </node>
         <node concept="3clFbH" id="2ZC4d8r2L2A" role="3cqZAp" />
         <node concept="3cpWs6" id="7HcPDtljE8d" role="3cqZAp">
           <node concept="1Wc70l" id="rK9hH149J7" role="3cqZAk">
diff --git a/code/languages/com.mbeddr.core/languages/com.mbeddr.core.expressions/languageModels/actions.mps b/code/languages/com.mbeddr.core/languages/com.mbeddr.core.expressions/languageModels/actions.mps
index cf3307d6e7..5ec4aa72a4 100644
--- a/code/languages/com.mbeddr.core/languages/com.mbeddr.core.expressions/languageModels/actions.mps
+++ b/code/languages/com.mbeddr.core/languages/com.mbeddr.core.expressions/languageModels/actions.mps
@@ -120,6 +120,9 @@
         <property id="8355037393041754995" name="isNative" index="2aFKle" />
       </concept>
       <concept id="7812454656619025412" name="jetbrains.mps.baseLanguage.structure.LocalMethodCall" flags="nn" index="1rXfSq" />
+      <concept id="1107535904670" name="jetbrains.mps.baseLanguage.structure.ClassifierType" flags="in" index="3uibUv">
+        <reference id="1107535924139" name="classifier" index="3uigEE" />
+      </concept>
       <concept id="1081773326031" name="jetbrains.mps.baseLanguage.structure.BinaryOperation" flags="nn" index="3uHJSO">
         <child id="1081773367579" name="rightExpression" index="3uHU7w" />
         <child id="1081773367580" name="leftExpression" index="3uHU7B" />
@@ -2522,6 +2525,46 @@
             </node>
           </node>
         </node>
+        <node concept="3cpWs8" id="1uvPAqC_8YX" role="3cqZAp">
+          <node concept="3cpWsn" id="1uvPAqC_8YY" role="3cpWs9">
+            <property role="TrG5h" value="canBeAncestorBuilder" />
+            <node concept="3uibUv" id="1uvPAqC_8zF" role="1tU5fm">
+              <ref role="3uigEE" to="pdwk:~CanBeAncestorContext$Builder" resolve="CanBeAncestorContext.Builder" />
+            </node>
+            <node concept="2OqwBi" id="1uvPAqC_8YZ" role="33vP2m">
+              <node concept="2OqwBi" id="1uvPAqC_8Z0" role="2Oq$k0">
+                <node concept="2OqwBi" id="1uvPAqC_8Z1" role="2Oq$k0">
+                  <node concept="2ShNRf" id="1uvPAqC_8Z3" role="2Oq$k0">
+                    <node concept="1pGfFk" id="1uvPAqC_8Z4" role="2ShVmc">
+                      <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.&lt;init&gt;()" resolve="CanBeAncestorContext.Builder" />
+                    </node>
+                  </node>
+                  <node concept="liA8E" id="1uvPAqC_8Z7" role="2OqNvi">
+                    <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.parentNode(org.jetbrains.mps.openapi.model.SNode)" resolve="parentNode" />
+                    <node concept="37vLTw" id="1uvPAqC_8Z8" role="37wK5m">
+                      <ref role="3cqZAo" node="1wu5Hv5M3Ll" resolve="sourceNode" />
+                    </node>
+                  </node>
+                </node>
+                <node concept="liA8E" id="1uvPAqC_8Z9" role="2OqNvi">
+                  <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.childConcept(org.jetbrains.mps.openapi.language.SAbstractConcept)" resolve="childConcept" />
+                  <node concept="37vLTw" id="1uvPAqC_8Za" role="37wK5m">
+                    <ref role="3cqZAo" node="1wu5Hv5M4dY" resolve="c" />
+                  </node>
+                </node>
+              </node>
+              <node concept="liA8E" id="1uvPAqC_8Zb" role="2OqNvi">
+                <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.link(org.jetbrains.mps.openapi.language.SContainmentLink)" resolve="link" />
+                <node concept="2OqwBi" id="1uvPAqC_8Zc" role="37wK5m">
+                  <node concept="37vLTw" id="1uvPAqC_8Zd" role="2Oq$k0">
+                    <ref role="3cqZAo" node="1wu5Hv5M3Ll" resolve="sourceNode" />
+                  </node>
+                  <node concept="2NL2c5" id="1uvPAqC_8Ze" role="2OqNvi" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
         <node concept="2Gpval" id="1wu5Hv5SkyG" role="3cqZAp">
           <node concept="2GrKxI" id="1wu5Hv5SkyI" role="2Gsz3X">
             <property role="TrG5h" value="currentAncestor" />
@@ -2541,35 +2584,14 @@
                     <ref role="37wK5l" to="ykok:~ConstraintsCanBeFacade.checkCanBeAncestor(jetbrains.mps.core.aspects.constraints.rules.kinds.CanBeAncestorContext)" resolve="checkCanBeAncestor" />
                     <ref role="1Pybhc" to="ykok:~ConstraintsCanBeFacade" resolve="ConstraintsCanBeFacade" />
                     <node concept="2OqwBi" id="6g_o1CJGfE_" role="37wK5m">
-                      <node concept="2OqwBi" id="6g_o1CJGeJU" role="2Oq$k0">
-                        <node concept="2OqwBi" id="6g_o1CJGe14" role="2Oq$k0">
-                          <node concept="2OqwBi" id="6g_o1CJGd8s" role="2Oq$k0">
-                            <node concept="2ShNRf" id="6g_o1CJGcmC" role="2Oq$k0">
-                              <node concept="1pGfFk" id="6g_o1CJGcRn" role="2ShVmc">
-                                <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.&lt;init&gt;()" resolve="CanBeAncestorContext.Builder" />
-                              </node>
-                            </node>
-                            <node concept="liA8E" id="6g_o1CJGdqw" role="2OqNvi">
-                              <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.ancestorNode(org.jetbrains.mps.openapi.model.SNode)" resolve="ancestorNode" />
-                              <node concept="2GrUjf" id="6g_o1CJGbOy" role="37wK5m">
-                                <ref role="2Gs0qQ" node="1wu5Hv5SkyI" resolve="currentAncestor" />
-                              </node>
-                            </node>
-                          </node>
-                          <node concept="liA8E" id="6g_o1CJGelI" role="2OqNvi">
-                            <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.childConcept(org.jetbrains.mps.openapi.language.SAbstractConcept)" resolve="childConcept" />
-                            <node concept="37vLTw" id="6g_o1CJGbOz" role="37wK5m">
-                              <ref role="3cqZAo" node="1wu5Hv5M4dY" resolve="c" />
-                            </node>
-                          </node>
-                        </node>
-                        <node concept="liA8E" id="6g_o1CJGf0O" role="2OqNvi">
-                          <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.link(org.jetbrains.mps.openapi.language.SContainmentLink)" resolve="link" />
-                          <node concept="2OqwBi" id="6g_o1CJGbO$" role="37wK5m">
-                            <node concept="37vLTw" id="6g_o1CJGbO_" role="2Oq$k0">
-                              <ref role="3cqZAo" node="1wu5Hv5M3Ll" resolve="sourceNode" />
-                            </node>
-                            <node concept="2NL2c5" id="6g_o1CJGbOA" role="2OqNvi" />
+                      <node concept="2OqwBi" id="1uvPAqC_b66" role="2Oq$k0">
+                        <node concept="37vLTw" id="1uvPAqC_8Zf" role="2Oq$k0">
+                          <ref role="3cqZAo" node="1uvPAqC_8YY" resolve="canBeAncestorBuilder" />
+                        </node>
+                        <node concept="liA8E" id="1uvPAqC_bo7" role="2OqNvi">
+                          <ref role="37wK5l" to="pdwk:~CanBeAncestorContext$Builder.ancestorNode(org.jetbrains.mps.openapi.model.SNode)" resolve="ancestorNode" />
+                          <node concept="2GrUjf" id="1uvPAqC_bCk" role="37wK5m">
+                            <ref role="2Gs0qQ" node="1wu5Hv5SkyI" resolve="currentAncestor" />
                           </node>
                         </node>
                       </node>
diff --git a/code/languages/com.mbeddr.doc/languages/com.mbeddr.doc/languageModels/intentions.mps b/code/languages/com.mbeddr.doc/languages/com.mbeddr.doc/languageModels/intentions.mps
index 5c8cfb578c..622242373b 100644
--- a/code/languages/com.mbeddr.doc/languages/com.mbeddr.doc/languageModels/intentions.mps
+++ b/code/languages/com.mbeddr.doc/languages/com.mbeddr.doc/languageModels/intentions.mps
@@ -1368,106 +1368,56 @@
     <node concept="2SaL7w" id="3Wi_6mkc9ed" role="2ZfVeh">
       <node concept="3clFbS" id="3Wi_6mkc9ee" role="2VODD2">
         <node concept="3clFbF" id="3Wi_6mkcbgb" role="3cqZAp">
-          <node concept="1Wc70l" id="4FREEt6vga8" role="3clFbG">
-            <node concept="1Wc70l" id="4OX$8K1AIAs" role="3uHU7B">
-              <node concept="3fqX7Q" id="3Wi_6mkccl3" role="3uHU7B">
-                <node concept="2OqwBi" id="3Wi_6mkccl5" role="3fr31v">
-                  <node concept="2Sf5sV" id="3Wi_6mkccl6" role="2Oq$k0" />
-                  <node concept="1mIQ4w" id="3Wi_6mkccl7" role="2OqNvi">
-                    <node concept="chp4Y" id="3Wi_6mkccl8" role="cj9EA">
-                      <ref role="cht4Q" to="tpck:h0TrEE$" resolve="INamedConcept" />
-                    </node>
-                  </node>
-                </node>
-              </node>
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