From 5a6db97aedf09601dde7f955446fad3cd10ca767 Mon Sep 17 00:00:00 2001
From: Fedor Isakov <fisakov@gmail.com>
Date: Fri, 7 May 2021 17:37:10 +0200
Subject: [PATCH] Types for j.m.lang.scopes language

---
 .mps/modules.xml                              |   1 +
 samples/mpscore/.mps/modules.xml              |  53 ++--
 samples/mpscore/build.xml                     | 126 +++++++++-
 ...copesExt.generator.templates@generator.mps |  24 ++
 .../jetbrains.mps.lang.scopesExt.mpl          | 133 ++++++++++
 .../jetbrains.mps.lang.scopesExt.behavior.mps |  12 +
 ...tbrains.mps.lang.scopesExt.constraints.mps |  19 ++
 .../jetbrains.mps.lang.scopesExt.editor.mps   |  12 +
 ...jetbrains.mps.lang.scopesExt.structure.mps |  11 +
 .../jetbrains.mps.lang.scopesExt.types.mps    | 237 ++++++++++++++++++
 ...etbrains.mps.lang.scopesExt.typesystem.mps |  11 +
 .../models/samples.mpscore.build.mps          |  77 ++++++
 12 files changed, 689 insertions(+), 27 deletions(-)
 create mode 100644 samples/mpscore/languages/jetbrains.mps.lang.scopesExt/generator/templates/jetbrains.mps.lang.scopesExt.generator.templates@generator.mps
 create mode 100644 samples/mpscore/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl
 create mode 100644 samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.behavior.mps
 create mode 100644 samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.constraints.mps
 create mode 100644 samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.editor.mps
 create mode 100644 samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.structure.mps
 create mode 100644 samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.types.mps
 create mode 100644 samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.typesystem.mps

diff --git a/.mps/modules.xml b/.mps/modules.xml
index 2e3f4a17..5dd84287 100644
--- a/.mps/modules.xml
+++ b/.mps/modules.xml
@@ -53,6 +53,7 @@
       <modulePath path="$PROJECT_DIR$/samples/mpscore/languages/jetbrains.mps.lang.generator.generationContextExt/jetbrains.mps.lang.generator.generationContextExt.mpl" folder="samples.mpscore.ext" />
       <modulePath path="$PROJECT_DIR$/samples/mpscore/languages/jetbrains.mps.lang.generatorExt/jetbrains.mps.lang.generatorExt.mpl" folder="samples.mpscore.ext" />
       <modulePath path="$PROJECT_DIR$/samples/mpscore/languages/jetbrains.mps.lang.quotationExt/jetbrains.mps.lang.quotationExt.mpl" folder="samples.mpscore.ext" />
+      <modulePath path="$PROJECT_DIR$/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl" folder="samples.mpscore.ext" />
       <modulePath path="$PROJECT_DIR$/samples/mpscore/languages/jetbrains.mps.lang.scriptExt/jetbrains.mps.lang.scriptExt.mpl" folder="samples.mpscore.ext" />
       <modulePath path="$PROJECT_DIR$/samples/mpscore/languages/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.mpl" folder="samples.mpscore.ext.smodel" />
       <modulePath path="$PROJECT_DIR$/samples/mpscore/languages/jetbrains.mps.lang.testExt/jetbrains.mps.lang.testExt.mpl" folder="samples.mpscore.ext" />
diff --git a/samples/mpscore/.mps/modules.xml b/samples/mpscore/.mps/modules.xml
index 952d8147..a601a1f5 100644
--- a/samples/mpscore/.mps/modules.xml
+++ b/samples/mpscore/.mps/modules.xml
@@ -2,34 +2,35 @@
 <project version="4">
   <component name="MPSProject">
     <projectModules>
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.blTypesExt/jetbrains.mps.baseLanguage.blTypesExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.classifiersExt/jetbrains.mps.baseLanguage.classifiersExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.closuresExt/jetbrains.mps.baseLanguage.closuresExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.collectionsExt/jetbrains.mps.baseLanguage.collectionsExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.function/jetbrains.mps.baseLanguage.function.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.javadocExt/jetbrains.mps.baseLanguage.javadocExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.sequence/jetbrains.mps.baseLanguage.sequence.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.tuplesExt/jetbrains.mps.baseLanguage.tuplesExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguageExt/jetbrains.mps.baseLanguageExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguageInternalExt/jetbrains.mps.baseLanguageInternalExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.behaviorExt/jetbrains.mps.lang.behaviorExt.mpl" folder="" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.blTypesExt/jetbrains.mps.baseLanguage.blTypesExt.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.classifiersExt/jetbrains.mps.baseLanguage.classifiersExt.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.closuresExt/jetbrains.mps.baseLanguage.closuresExt.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.collectionsExt/jetbrains.mps.baseLanguage.collectionsExt.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.function/jetbrains.mps.baseLanguage.function.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.javadocExt/jetbrains.mps.baseLanguage.javadocExt.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.sequence/jetbrains.mps.baseLanguage.sequence.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguage.tuplesExt/jetbrains.mps.baseLanguage.tuplesExt.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguageExt/jetbrains.mps.baseLanguageExt.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.baseLanguageInternalExt/jetbrains.mps.baseLanguageInternalExt.mpl" folder="ext.baseLanguage" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.behaviorExt/jetbrains.mps.lang.behaviorExt.mpl" folder="ext.lang" />
       <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.coderulesExt/jetbrains.mps.lang.coderulesExt.mpl" folder="ext.coderules" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.constraintsExt/jetbrains.mps.lang.constraintsExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.generator.generationContextExt/jetbrains.mps.lang.generator.generationContextExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.generatorExt/jetbrains.mps.lang.generatorExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.quotationExt/jetbrains.mps.lang.quotationExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.scriptExt/jetbrains.mps.lang.scriptExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.smodel.queryExt/jetbrains.mps.lang.smodel.queryExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.mpl" folder="ext.smodel" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.testExt/jetbrains.mps.lang.testExt.mpl" folder="" />
-      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystemExt/jetbrains.mps.lang.typesystemExt.mpl" folder="" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.constraintsExt/jetbrains.mps.lang.constraintsExt.mpl" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.generator.generationContextExt/jetbrains.mps.lang.generator.generationContextExt.mpl" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.generatorExt/jetbrains.mps.lang.generatorExt.mpl" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.quotationExt/jetbrains.mps.lang.quotationExt.mpl" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.scriptExt/jetbrains.mps.lang.scriptExt.mpl" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.smodel.queryExt/jetbrains.mps.lang.smodel.queryExt.mpl" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.mpl" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.testExt/jetbrains.mps.lang.testExt.mpl" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystemExt/jetbrains.mps.lang.typesystemExt.mpl" folder="ext.lang" />
       <modulePath path="$PROJECT_DIR$/languages/jetbrains.mps.logicExt/jetbrains.mps.logicExt.mpl" folder="ext.coderules" />
-      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguage.closuresExt.test/jetbrains.mps.baseLanguage.closuresExt.test.msd" folder="" />
-      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguage.collectionsExt.test/jetbrains.mps.baseLanguage.collectionsExt.test.msd" folder="" />
-      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguage.tuplesExt.test/jetbrains.mps.baseLanguage.tuplesExt.test.msd" folder="" />
-      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguageExt.test/jetbrains.mps.baseLanguageExt.test.msd" folder="" />
-      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.test.msd" folder="ext.smodel" />
-      <modulePath path="$PROJECT_DIR$/solutions/typechecking.samples.baseLanguage/typechecking.samples.baseLanguage.msd" folder="" />
+      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguage.closuresExt.test/jetbrains.mps.baseLanguage.closuresExt.test.msd" folder="test" />
+      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguage.collectionsExt.test/jetbrains.mps.baseLanguage.collectionsExt.test.msd" folder="test" />
+      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguage.tuplesExt.test/jetbrains.mps.baseLanguage.tuplesExt.test.msd" folder="test" />
+      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguageExt.test/jetbrains.mps.baseLanguageExt.test.msd" folder="test" />
+      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.test.msd" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/solutions/typechecking.samples.baseLanguage/typechecking.samples.baseLanguage.msd" folder="test" />
     </projectModules>
   </component>
 </project>
\ No newline at end of file
diff --git a/samples/mpscore/build.xml b/samples/mpscore/build.xml
index afa0d332..ceceb194 100644
--- a/samples/mpscore/build.xml
+++ b/samples/mpscore/build.xml
@@ -2614,7 +2614,7 @@
     <delete dir="${build.layout}" />
   </target>
   
-  <target name="compileJava" depends="java.compile.jetbrains.mps.lang.smodelExt, java.compile.jetbrains.mps.lang.smodelExt#01, java.compile.jetbrains.mps.lang.smodel.queryExt, java.compile.jetbrains.mps.lang.smodel.queryExt.generator, java.compile.jetbrains.mps.lang.smodelExt.test, java.compile.jetbrains.mps.lang.behaviorExt, java.compile.jetbrains.mps.lang.behaviorExt.generator, java.compile.jetbrains.mps.lang.typesystemExt, java.compile.jetbrains.mps.lang.typesystemExt#01, java.compile.jetbrains.mps.lang.quotationExt, java.compile.jetbrains.mps.lang.quotationExt#01, java.compile.jetbrains.mps.lang.constraintsExt, java.compile.jetbrains.mps.lang.constraintsExt#01, java.compile.jetbrains.mps.lang.generatorExt, java.compile.jetbrains.mps.lang.generatorExt#01, java.compile.jetbrains.mps.lang.generator.generationContextExt, java.compile.jetbrains.mps.lang.generator.generationContextExt#01, java.compile.jetbrains.mps.lang.testExt, java.compile.jetbrains.mps.lang.testExt.generator, java.compile.jetbrains.mps.lang.scriptExt, java.compile.jetbrains.mps.lang.scriptExt.generator, java.compile.jetbrains.mps.baseLanguageExt, java.compile.jetbrains.mps.baseLanguageInternalExt, java.compile.jetbrains.mps.baseLanguageInternalExt#01, java.compile.jetbrains.mps.baseLanguage.blTypesExt, java.compile.jetbrains.mps.baseLanguage.blTypesExt#01, java.compile.jetbrains.mps.baseLanguage.javadocExt, java.compile.java.modules.cycle.1, java.compile.jetbrains.mps.baseLanguageExt.test, java.compile.typechecking.samples.baseLanguage, java.compile.jetbrains.mps.baseLanguage.tuplesExt, java.compile.jetbrains.mps.baseLanguage.tuplesExt#01, java.compile.jetbrains.mps.baseLanguage.tuplesExt.test, java.compile.jetbrains.mps.baseLanguage.sequence, java.compile.jetbrains.mps.baseLanguage.sequence#01, java.compile.jetbrains.mps.baseLanguage.function, java.compile.jetbrains.mps.baseLanguage.function#01, java.compile.jetbrains.mps.baseLanguage.collectionsExt, java.compile.jetbrains.mps.baseLanguage.collectionsExt#01, java.compile.jetbrains.mps.baseLanguage.collectionsExt.test, java.compile.jetbrains.mps.baseLanguage.closuresExt, java.compile.jetbrains.mps.baseLanguage.closuresExt#1312156863939371938, java.compile.jetbrains.mps.baseLanguage.closuresExt.test, java.compile.jetbrains.mps.logicExt, java.compile.jetbrains.mps.logicExt#01" />
+  <target name="compileJava" depends="java.compile.jetbrains.mps.lang.smodelExt, java.compile.jetbrains.mps.lang.smodelExt#01, java.compile.jetbrains.mps.lang.smodel.queryExt, java.compile.jetbrains.mps.lang.smodel.queryExt.generator, java.compile.jetbrains.mps.lang.smodelExt.test, java.compile.jetbrains.mps.lang.behaviorExt, java.compile.jetbrains.mps.lang.behaviorExt.generator, java.compile.jetbrains.mps.lang.typesystemExt, java.compile.jetbrains.mps.lang.typesystemExt#01, java.compile.jetbrains.mps.lang.quotationExt, java.compile.jetbrains.mps.lang.quotationExt#01, java.compile.jetbrains.mps.lang.constraintsExt, java.compile.jetbrains.mps.lang.constraintsExt#01, java.compile.jetbrains.mps.lang.generatorExt, java.compile.jetbrains.mps.lang.generatorExt#01, java.compile.jetbrains.mps.lang.generator.generationContextExt, java.compile.jetbrains.mps.lang.generator.generationContextExt#01, java.compile.jetbrains.mps.lang.testExt, java.compile.jetbrains.mps.lang.testExt.generator, java.compile.jetbrains.mps.lang.scriptExt, java.compile.jetbrains.mps.lang.scriptExt.generator, java.compile.jetbrains.mps.lang.scopesExt, java.compile.jetbrains.mps.lang.scopesExt.generator, java.compile.jetbrains.mps.baseLanguageExt, java.compile.jetbrains.mps.baseLanguageInternalExt, java.compile.jetbrains.mps.baseLanguageInternalExt#01, java.compile.jetbrains.mps.baseLanguage.blTypesExt, java.compile.jetbrains.mps.baseLanguage.blTypesExt#01, java.compile.jetbrains.mps.baseLanguage.javadocExt, java.compile.java.modules.cycle.1, java.compile.jetbrains.mps.baseLanguageExt.test, java.compile.typechecking.samples.baseLanguage, java.compile.jetbrains.mps.baseLanguage.tuplesExt, java.compile.jetbrains.mps.baseLanguage.tuplesExt#01, java.compile.jetbrains.mps.baseLanguage.tuplesExt.test, java.compile.jetbrains.mps.baseLanguage.sequence, java.compile.jetbrains.mps.baseLanguage.sequence#01, java.compile.jetbrains.mps.baseLanguage.function, java.compile.jetbrains.mps.baseLanguage.function#01, java.compile.jetbrains.mps.baseLanguage.collectionsExt, java.compile.jetbrains.mps.baseLanguage.collectionsExt#01, java.compile.jetbrains.mps.baseLanguage.collectionsExt.test, java.compile.jetbrains.mps.baseLanguage.closuresExt, java.compile.jetbrains.mps.baseLanguage.closuresExt#1312156863939371938, java.compile.jetbrains.mps.baseLanguage.closuresExt.test, java.compile.jetbrains.mps.logicExt, java.compile.jetbrains.mps.logicExt#01" />
   
   <target name="processResources" />
   
@@ -2778,6 +2778,7 @@
         <module file="${basedir}/languages/jetbrains.mps.lang.generator.generationContextExt/jetbrains.mps.lang.generator.generationContextExt.mpl" />
         <module file="${basedir}/languages/jetbrains.mps.lang.generatorExt/jetbrains.mps.lang.generatorExt.mpl" />
         <module file="${basedir}/languages/jetbrains.mps.lang.quotationExt/jetbrains.mps.lang.quotationExt.mpl" />
+        <module file="${basedir}/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl" />
         <module file="${basedir}/languages/jetbrains.mps.lang.scriptExt/jetbrains.mps.lang.scriptExt.mpl" />
         <module file="${basedir}/languages/jetbrains.mps.lang.smodel.queryExt/jetbrains.mps.lang.smodel.queryExt.mpl" />
         <module file="${basedir}/languages/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.mpl" />
@@ -4179,6 +4180,127 @@
     </javac>
   </target>
   
+  <target name="java.compile.jetbrains.mps.lang.scopesExt" depends="java.compile.jetbrains.mps.baseLanguageExt, fetchDependencies">
+    <mkdir dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.scopesExt/source_gen" />
+    <mkdir dir="${build.tmp}/java/out/jetbrains.mps.lang.scopesExt" />
+    <javac destdir="${build.tmp}/java/out/jetbrains.mps.lang.scopesExt" fork="true" encoding="utf8" includeantruntime="false" debug="true">
+      <compilerarg value="-Xlint:none" />
+      <src>
+        <path location="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.scopesExt/source_gen" />
+      </src>
+      <classpath>
+        <fileset file="${artifacts.mps}/lib/mps-core.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-annotations.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-openapi.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-context.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-constraints-runtime.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-problem.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-platform.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-messages-for-rules.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-behavior-api.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-behavior-runtime.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-closures.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-collections.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-logging.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-tuples.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-references.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-messaging.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-boot-util.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-editor.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-editor-api.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-editor-runtime.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-generator.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-persistence.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-environment.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-project-check.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-textgen.jar" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguageExt" />
+        <fileset file="${artifacts.mps}/lib/mps-feedback-api.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-messages-api.jar" />
+        <fileset file="${artifacts.mps}/lib/annotations.jar" />
+        <fileset dir="${artifacts.mps}/lib" includes="*.jar" />
+        <fileset file="${artifacts.mps}/lib/log4j.jar" />
+        <fileset file="${artifacts.mps}/lib/jdom.jar" />
+        <fileset file="${artifacts.mps}/lib/trove4j.jar" />
+        <fileset file="${artifacts.mps}/lib/ecj-4.16.jar" />
+        <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.jar" />
+        <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.logging.runtime.jar" />
+        <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.scopes.jar" />
+        <fileset file="${artifacts.coderules}/deploy/jetbrains.mps.lang.coderules.runtime.jar" />
+        <fileset file="${artifacts.coderules}/deploy/jetbrains.mps.lang.coderules.template.jar" />
+        <fileset file="${artifacts.mps}/languages/languageDesign/jetbrains.mps.lang.core.jar" />
+        <fileset file="${artifacts.mps}/languages/languageDesign/jetbrains.mps.lang.descriptor.aspects.jar" />
+        <fileset file="${artifacts.mps}/languages/languageDesign/jetbrains.mps.lang.scopes.jar" />
+        <fileset file="${artifacts.mps}/languages/languageDesign/jetbrains.mps.lang.scopes.runtime.jar" />
+        <fileset file="${artifacts.mps}/languages/languageDesign/jetbrains.mps.lang.traceable.jar" />
+        <fileset file="${artifacts.coderules}/deploy/jetbrains.mps.lang.typechecking.runtime.jar" />
+        <fileset file="${artifacts.coderules}/deploy/jetbrains.mps.logic.runtime.jar" />
+        <fileset dir="${artifacts.coderules}/deploy/lib" includes="collection-0.7.jar" />
+        <fileset dir="${artifacts.coderules}/deploy/lib" includes="trove4j-3.0.3.jar" />
+        <fileset dir="${artifacts.coderules}/deploy/lib" includes="conreactor-core-0.9.14.jar" />
+      </classpath>
+    </javac>
+  </target>
+  
+  <target name="java.compile.jetbrains.mps.lang.scopesExt.generator" depends="java.compile.jetbrains.mps.baseLanguageExt, java.compile.jetbrains.mps.lang.scopesExt, fetchDependencies">
+    <mkdir dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.scopesExt/generator/source_gen" />
+    <mkdir dir="${build.tmp}/java/out/jetbrains.mps.lang.scopesExt.generator" />
+    <javac destdir="${build.tmp}/java/out/jetbrains.mps.lang.scopesExt.generator" fork="true" encoding="utf8" includeantruntime="false" debug="true">
+      <compilerarg value="-Xlint:none" />
+      <src>
+        <path location="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.scopesExt/generator/source_gen" />
+      </src>
+      <classpath>
+        <fileset file="${artifacts.mps}/lib/mps-core.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-annotations.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-openapi.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-context.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-constraints-runtime.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-problem.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-platform.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-messages-for-rules.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-behavior-api.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-behavior-runtime.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-closures.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-collections.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-logging.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-tuples.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-references.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-messaging.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-boot-util.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-editor.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-editor-api.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-editor-runtime.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-generator.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-persistence.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-environment.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-project-check.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-textgen.jar" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguageExt" />
+        <fileset file="${artifacts.mps}/lib/mps-feedback-api.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-messages-api.jar" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.lang.scopesExt" />
+        <fileset file="${artifacts.mps}/lib/annotations.jar" />
+        <fileset dir="${artifacts.mps}/lib" includes="*.jar" />
+        <fileset file="${artifacts.mps}/lib/log4j.jar" />
+        <fileset file="${artifacts.mps}/lib/jdom.jar" />
+        <fileset file="${artifacts.mps}/lib/trove4j.jar" />
+        <fileset file="${artifacts.mps}/lib/ecj-4.16.jar" />
+        <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.jar" />
+        <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.logging.runtime.jar" />
+        <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.scopes.jar" />
+        <fileset file="${artifacts.mps}/languages/languageDesign/jetbrains.mps.lang.core.jar" />
+        <fileset file="${artifacts.mps}/languages/languageDesign/jetbrains.mps.lang.scopes.jar" />
+        <fileset file="${artifacts.mps}/languages/languageDesign/jetbrains.mps.lang.scopes.runtime.jar" />
+        <fileset file="${artifacts.mps}/languages/languageDesign/jetbrains.mps.lang.traceable.jar" />
+        <fileset file="${artifacts.coderules}/deploy/jetbrains.mps.logic.runtime.jar" />
+        <fileset dir="${artifacts.coderules}/deploy/lib" includes="collection-0.7.jar" />
+        <fileset dir="${artifacts.coderules}/deploy/lib" includes="trove4j-3.0.3.jar" />
+        <fileset dir="${artifacts.coderules}/deploy/lib" includes="conreactor-core-0.9.14.jar" />
+      </classpath>
+    </javac>
+  </target>
+  
   <target name="java.compile.jetbrains.mps.baseLanguageExt" depends="fetchDependencies">
     <mkdir dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.baseLanguageExt/source_gen" />
     <mkdir dir="${build.tmp}/java/out/jetbrains.mps.baseLanguageExt" />
@@ -6005,6 +6127,8 @@
     <delete dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.generatorExt/generator/source_gen" />
     <delete dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.quotationExt/source_gen" />
     <delete dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.quotationExt/generator/source_gen" />
+    <delete dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.scopesExt/source_gen" />
+    <delete dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.scopesExt/generator/source_gen" />
     <delete dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.scriptExt/source_gen" />
     <delete dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.scriptExt/generator/source_gen" />
     <delete dir="${mps.macro.mpscore_home}/languages/jetbrains.mps.lang.smodel.queryExt/source_gen" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/generator/templates/jetbrains.mps.lang.scopesExt.generator.templates@generator.mps b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/generator/templates/jetbrains.mps.lang.scopesExt.generator.templates@generator.mps
new file mode 100644
index 00000000..4039eee3
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/generator/templates/jetbrains.mps.lang.scopesExt.generator.templates@generator.mps
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:2c11e337-007e-4204-b094-35ef16afed4f(jetbrains.mps.lang.scopesExt.generator.templates@generator)">
+  <persistence version="9" />
+  <languages>
+    <devkit ref="a2eb3a43-fcc2-4200-80dc-c60110c4862d(jetbrains.mps.devkit.templates)" />
+  </languages>
+  <imports>
+    <import index="e3ek" ref="r:5f0fdbfd-8cb1-48ff-ba6c-3e88ec1f8e36(jetbrains.mps.lang.scopesExt.structure)" />
+  </imports>
+  <registry>
+    <language id="b401a680-8325-4110-8fd3-84331ff25bef" name="jetbrains.mps.lang.generator">
+      <concept id="1095416546421" name="jetbrains.mps.lang.generator.structure.MappingConfiguration" flags="ig" index="bUwia" />
+    </language>
+    <language id="ceab5195-25ea-4f22-9b92-103b95ca8c0c" name="jetbrains.mps.lang.core">
+      <concept id="1169194658468" name="jetbrains.mps.lang.core.structure.INamedConcept" flags="ng" index="TrEIO">
+        <property id="1169194664001" name="name" index="TrG5h" />
+      </concept>
+    </language>
+  </registry>
+  <node concept="bUwia" id="127bLwWSCP5">
+    <property role="TrG5h" value="main" />
+  </node>
+</model>
+
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl
new file mode 100644
index 00000000..2b6fde12
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl
@@ -0,0 +1,133 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<language namespace="jetbrains.mps.lang.scopesExt" uuid="7ed5deeb-1533-49a3-99e7-1c11286d2cc6" languageVersion="0" moduleVersion="0">
+  <models>
+    <modelRoot contentPath="${module}" type="default">
+      <sourceRoot location="models" />
+    </modelRoot>
+  </models>
+  <facets>
+    <facet type="java">
+      <classes generated="true" path="${module}/classes_gen" />
+    </facet>
+  </facets>
+  <accessoryModels />
+  <generators>
+    <generator alias="main" namespace="jetbrains.mps.lang.scopesExt.generator" uuid="639d3743-3689-4e3a-9d46-a929bfa7b429">
+      <models>
+        <modelRoot contentPath="${module}/generator" type="default">
+          <sourceRoot location="templates" />
+        </modelRoot>
+      </models>
+      <facets>
+        <facet type="java">
+          <classes generated="true" path="${module}/generator/classes_gen" />
+        </facet>
+      </facets>
+      <external-templates />
+      <languageVersions>
+        <language slang="l:f3061a53-9226-4cc5-a443-f952ceaf5816:jetbrains.mps.baseLanguage" version="11" />
+        <language slang="l:fd392034-7849-419d-9071-12563d152375:jetbrains.mps.baseLanguage.closures" version="0" />
+        <language slang="l:83888646-71ce-4f1c-9c53-c54016f6ad4f:jetbrains.mps.baseLanguage.collections" version="1" />
+        <language slang="l:f2801650-65d5-424e-bb1b-463a8781b786:jetbrains.mps.baseLanguage.javadoc" version="2" />
+        <language slang="l:760a0a8c-eabb-4521-8bfd-65db761a9ba3:jetbrains.mps.baseLanguage.logging" version="0" />
+        <language slang="l:a247e09e-2435-45ba-b8d2-07e93feba96a:jetbrains.mps.baseLanguage.tuples" version="0" />
+        <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
+        <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
+        <language slang="l:d7706f63-9be2-479c-a3da-ae92af1e64d5:jetbrains.mps.lang.generator.generationContext" version="2" />
+        <language slang="l:289fcc83-6543-41e8-a5ca-768235715ce4:jetbrains.mps.lang.generator.generationParameters" version="0" />
+        <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
+        <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
+        <language slang="l:13744753-c81f-424a-9c1b-cf8943bf4e86:jetbrains.mps.lang.sharedConcepts" version="0" />
+        <language slang="l:7866978e-a0f0-4cc7-81bc-4d213d9375e1:jetbrains.mps.lang.smodel" version="18" />
+        <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
+        <language slang="l:9ded098b-ad6a-4657-bfd9-48636cfe8bc3:jetbrains.mps.lang.traceable" version="0" />
+      </languageVersions>
+      <dependencyVersions>
+        <module reference="3f233e7f-b8a6-46d2-a57f-795d56775243(Annotations)" version="0" />
+        <module reference="6354ebe7-c22a-4a0f-ac54-50b52ab9b065(JDK)" version="0" />
+        <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
+        <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
+        <module reference="4c6a28d1-2c60-478d-b36e-db9b3cbb21fb(closures.runtime)" version="0" />
+        <module reference="9b80526e-f0bf-4992-bdf5-cee39c1833f3(collections.runtime)" version="0" />
+        <module reference="f3061a53-9226-4cc5-a443-f952ceaf5816(jetbrains.mps.baseLanguage)" version="0" />
+        <module reference="52b81ac7-93fd-4e9e-b972-4995882da6d4(jetbrains.mps.baseLanguage.references.runtime)" version="0" />
+        <module reference="e39e4a59-8cb6-498e-860e-8fa8361c0d90(jetbrains.mps.baseLanguage.scopes)" version="0" />
+        <module reference="0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)" version="0" />
+        <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
+        <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
+        <module reference="d936855b-48da-4812-a8a0-2bfddd633ac4(jetbrains.mps.lang.behavior.runtime)" version="0" />
+        <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
+        <module reference="d8f591ec-4d86-4af2-9f92-a9e93c803ffa(jetbrains.mps.lang.scopes)" version="0" />
+        <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
+        <module reference="7ed5deeb-1533-49a3-99e7-1c11286d2cc6(jetbrains.mps.lang.scopesExt)" version="0" />
+        <module reference="639d3743-3689-4e3a-9d46-a929bfa7b429(jetbrains.mps.lang.scopesExt.generator)" version="0" />
+        <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
+        <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
+        <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
+        <module reference="9a4afe51-f114-4595-b5df-048ce3c596be(jetbrains.mps.runtime)" version="0" />
+      </dependencyVersions>
+      <mapping-priorities />
+    </generator>
+  </generators>
+  <sourcePath />
+  <languageVersions>
+    <language slang="l:f3061a53-9226-4cc5-a443-f952ceaf5816:jetbrains.mps.baseLanguage" version="11" />
+    <language slang="l:443f4c36-fcf5-4eb6-9500-8d06ed259e3e:jetbrains.mps.baseLanguage.classifiers" version="0" />
+    <language slang="l:fd392034-7849-419d-9071-12563d152375:jetbrains.mps.baseLanguage.closures" version="0" />
+    <language slang="l:83888646-71ce-4f1c-9c53-c54016f6ad4f:jetbrains.mps.baseLanguage.collections" version="1" />
+    <language slang="l:f2801650-65d5-424e-bb1b-463a8781b786:jetbrains.mps.baseLanguage.javadoc" version="2" />
+    <language slang="l:760a0a8c-eabb-4521-8bfd-65db761a9ba3:jetbrains.mps.baseLanguage.logging" version="0" />
+    <language slang="l:a247e09e-2435-45ba-b8d2-07e93feba96a:jetbrains.mps.baseLanguage.tuples" version="0" />
+    <language slang="l:aee9cad2-acd4-4608-aef2-0004f6a1cdbd:jetbrains.mps.lang.actions" version="4" />
+    <language slang="l:af65afd8-f0dd-4942-87d9-63a55f2a9db1:jetbrains.mps.lang.behavior" version="2" />
+    <language slang="l:c4803b19-6d89-4a3b-bf82-390769514add:jetbrains.mps.lang.coderules" version="23" />
+    <language slang="l:3f4bc5f5-c6c1-4a28-8b10-c83066ffa4a1:jetbrains.mps.lang.constraints" version="6" />
+    <language slang="l:e51810c5-7308-4642-bcb6-469e61b5dd18:jetbrains.mps.lang.constraints.msg.specification" version="0" />
+    <language slang="l:47257bf3-78d3-470b-89d9-8c3261a61d15:jetbrains.mps.lang.constraints.rules" version="0" />
+    <language slang="l:5dae8159-ab99-46bb-a40d-0cee30ee7018:jetbrains.mps.lang.constraints.rules.kinds" version="0" />
+    <language slang="l:134c38d4-e3af-4d9e-b069-1c7df0a4005d:jetbrains.mps.lang.constraints.rules.skeleton" version="0" />
+    <language slang="l:3ad5badc-1d9c-461c-b7b1-fa2fcd0a0ae7:jetbrains.mps.lang.context" version="0" />
+    <language slang="l:ea3159bf-f48e-4720-bde2-86dba75f0d34:jetbrains.mps.lang.context.defs" version="0" />
+    <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
+    <language slang="l:f4ad079d-bc71-4ffb-9600-9328705cf998:jetbrains.mps.lang.descriptor" version="0" />
+    <language slang="l:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="14" />
+    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
+    <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
+    <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
+    <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
+    <language slang="l:982eb8df-2c96-4bd7-9963-11712ea622e5:jetbrains.mps.lang.resources" version="2" />
+    <language slang="l:b3551702-269c-4f05-ba61-58060cef4292:jetbrains.mps.lang.rulesAndMessages" version="0" />
+    <language slang="l:d8f591ec-4d86-4af2-9f92-a9e93c803ffa:jetbrains.mps.lang.scopes" version="0" />
+    <language slang="l:13744753-c81f-424a-9c1b-cf8943bf4e86:jetbrains.mps.lang.sharedConcepts" version="0" />
+    <language slang="l:7866978e-a0f0-4cc7-81bc-4d213d9375e1:jetbrains.mps.lang.smodel" version="18" />
+    <language slang="l:c72da2b9-7cce-4447-8389-f407dc1158b7:jetbrains.mps.lang.structure" version="9" />
+    <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
+    <language slang="l:9ded098b-ad6a-4657-bfd9-48636cfe8bc3:jetbrains.mps.lang.traceable" version="0" />
+    <language slang="l:4b5b4f8d-d30a-4ef8-9bf4-dfd26af9d462:jetbrains.mps.lang.typechecking" version="0" />
+    <language slang="l:7a5dda62-9140-4668-ab76-d5ed1746f2b2:jetbrains.mps.lang.typesystem" version="5" />
+    <language slang="l:35320f26-77cb-4c55-be9f-a97a27770af1:jetbrains.mps.logic" version="13" />
+  </languageVersions>
+  <dependencyVersions>
+    <module reference="3f233e7f-b8a6-46d2-a57f-795d56775243(Annotations)" version="0" />
+    <module reference="6354ebe7-c22a-4a0f-ac54-50b52ab9b065(JDK)" version="0" />
+    <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
+    <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
+    <module reference="f3061a53-9226-4cc5-a443-f952ceaf5816(jetbrains.mps.baseLanguage)" version="0" />
+    <module reference="e39e4a59-8cb6-498e-860e-8fa8361c0d90(jetbrains.mps.baseLanguage.scopes)" version="0" />
+    <module reference="0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)" version="0" />
+    <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
+    <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
+    <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
+    <module reference="d8f591ec-4d86-4af2-9f92-a9e93c803ffa(jetbrains.mps.lang.scopes)" version="0" />
+    <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
+    <module reference="7ed5deeb-1533-49a3-99e7-1c11286d2cc6(jetbrains.mps.lang.scopesExt)" version="0" />
+    <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
+    <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
+    <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
+  </dependencyVersions>
+  <extendedLanguages>
+    <extendedLanguage>0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)</extendedLanguage>
+    <extendedLanguage>d8f591ec-4d86-4af2-9f92-a9e93c803ffa(jetbrains.mps.lang.scopes)</extendedLanguage>
+  </extendedLanguages>
+</language>
+
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.behavior.mps b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.behavior.mps
new file mode 100644
index 00000000..9436115f
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.behavior.mps
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:ef090f9b-62f6-4b95-9361-b45b83ef84a8(jetbrains.mps.lang.scopesExt.behavior)">
+  <persistence version="9" />
+  <languages>
+    <use id="7866978e-a0f0-4cc7-81bc-4d213d9375e1" name="jetbrains.mps.lang.smodel" version="18" />
+    <use id="af65afd8-f0dd-4942-87d9-63a55f2a9db1" name="jetbrains.mps.lang.behavior" version="2" />
+    <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
+  </languages>
+  <imports />
+  <registry />
+</model>
+
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.constraints.mps b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.constraints.mps
new file mode 100644
index 00000000..96ac4380
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.constraints.mps
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:fc3e2462-7865-4fb4-a50d-cb8807fe03e0(jetbrains.mps.lang.scopesExt.constraints)">
+  <persistence version="9" />
+  <languages>
+    <use id="5dae8159-ab99-46bb-a40d-0cee30ee7018" name="jetbrains.mps.lang.constraints.rules.kinds" version="0" />
+    <use id="ea3159bf-f48e-4720-bde2-86dba75f0d34" name="jetbrains.mps.lang.context.defs" version="0" />
+    <use id="e51810c5-7308-4642-bcb6-469e61b5dd18" name="jetbrains.mps.lang.constraints.msg.specification" version="0" />
+    <use id="134c38d4-e3af-4d9e-b069-1c7df0a4005d" name="jetbrains.mps.lang.constraints.rules.skeleton" version="0" />
+    <use id="b3551702-269c-4f05-ba61-58060cef4292" name="jetbrains.mps.lang.rulesAndMessages" version="0" />
+    <use id="3f4bc5f5-c6c1-4a28-8b10-c83066ffa4a1" name="jetbrains.mps.lang.constraints" version="6" />
+    <use id="13744753-c81f-424a-9c1b-cf8943bf4e86" name="jetbrains.mps.lang.sharedConcepts" version="0" />
+    <use id="3ad5badc-1d9c-461c-b7b1-fa2fcd0a0ae7" name="jetbrains.mps.lang.context" version="0" />
+    <use id="ad93155d-79b2-4759-b10c-55123e763903" name="jetbrains.mps.lang.messages" version="0" />
+    <devkit ref="00000000-0000-4000-0000-5604ebd4f22c(jetbrains.mps.devkit.aspect.constraints)" />
+  </languages>
+  <imports />
+  <registry />
+</model>
+
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.editor.mps
new file mode 100644
index 00000000..30508050
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.editor.mps
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:8982c6d3-2ba2-4ea6-9cd6-64284fcc3a90(jetbrains.mps.lang.scopesExt.editor)">
+  <persistence version="9" />
+  <languages>
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
+    <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
+  </languages>
+  <imports />
+  <registry />
+</model>
+
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.structure.mps b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.structure.mps
new file mode 100644
index 00000000..77629060
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.structure.mps
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:5f0fdbfd-8cb1-48ff-ba6c-3e88ec1f8e36(jetbrains.mps.lang.scopesExt.structure)">
+  <persistence version="9" />
+  <languages>
+    <use id="c72da2b9-7cce-4447-8389-f407dc1158b7" name="jetbrains.mps.lang.structure" version="9" />
+    <devkit ref="78434eb8-b0e5-444b-850d-e7c4ad2da9ab(jetbrains.mps.devkit.aspect.structure)" />
+  </languages>
+  <imports />
+  <registry />
+</model>
+
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.types.mps b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.types.mps
new file mode 100644
index 00000000..96c26953
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.types.mps
@@ -0,0 +1,237 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:3f9f6b29-3085-40bc-bf26-6acc4f56d405(jetbrains.mps.lang.scopesExt.types)">
+  <persistence version="9" />
+  <languages>
+    <use id="4b5b4f8d-d30a-4ef8-9bf4-dfd26af9d462" name="jetbrains.mps.lang.typechecking" version="0" />
+    <use id="c4803b19-6d89-4a3b-bf82-390769514add" name="jetbrains.mps.lang.coderules" version="23" />
+    <engage id="4b5b4f8d-d30a-4ef8-9bf4-dfd26af9d462" name="jetbrains.mps.lang.typechecking" />
+    <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
+  </languages>
+  <imports>
+    <import index="kqnc" ref="r:92b96158-68e6-4f53-a32b-36e2b456fe01(jetbrains.mps.baseLanguageExt.types)" />
+    <import index="o8zo" ref="r:314576fc-3aee-4386-a0a5-a38348ac317d(jetbrains.mps.scope)" />
+    <import index="genb" ref="r:142fc2e9-fc09-4c4f-92d7-6ce0e3f66b61(jetbrains.mps.lang.scopes.structure)" implicit="true" />
+  </imports>
+  <registry>
+    <language id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage">
+      <concept id="1068580123136" name="jetbrains.mps.baseLanguage.structure.StatementList" flags="sn" stub="5293379017992965193" index="3clFbS">
+        <child id="1068581517665" name="statement" index="3cqZAp" />
+      </concept>
+    </language>
+    <language id="35320f26-77cb-4c55-be9f-a97a27770af1" name="jetbrains.mps.logic">
+      <concept id="8456919074574710634" name="jetbrains.mps.logic.structure.ExpressionItem" flags="ng" index="37jhX">
+        <child id="8456919074574710741" name="code" index="37jj2" />
+      </concept>
+    </language>
+    <language id="ceab5195-25ea-4f22-9b92-103b95ca8c0c" name="jetbrains.mps.lang.core">
+      <concept id="1169194658468" name="jetbrains.mps.lang.core.structure.INamedConcept" flags="ng" index="TrEIO">
+        <property id="1169194664001" name="name" index="TrG5h" />
+      </concept>
+    </language>
+    <language id="c4803b19-6d89-4a3b-bf82-390769514add" name="jetbrains.mps.lang.coderules">
+      <concept id="1149537088067116625" name="jetbrains.mps.lang.coderules.structure.NodeRefItem" flags="ng" index="h$QuP">
+        <reference id="1149537088067125001" name="ref" index="h$OrH" />
+      </concept>
+      <concept id="861509610434242029" name="jetbrains.mps.lang.coderules.structure.TermConstructor" flags="ng" index="ns1u0">
+        <reference id="861509610434243078" name="decl" index="ns1xF" />
+        <child id="861509610434243076" name="override" index="ns1xD" />
+      </concept>
+      <concept id="861509610434435669" name="jetbrains.mps.lang.coderules.structure.TermFeatureOverride" flags="ng" index="nsMwS">
+        <reference id="861509610434435672" name="feature" index="nsMwP" />
+        <child id="1149537088045275069" name="item" index="iSaTp" />
+      </concept>
+      <concept id="6691972578451976398" name="jetbrains.mps.lang.coderules.structure.RuleInputSpecification" flags="ng" index="2t___k">
+        <reference id="6691972578451990912" name="applicableConcept" index="2t_S0q" />
+        <child id="6691972578451986151" name="input" index="2t_VXX" />
+      </concept>
+      <concept id="8335224865066015764" name="jetbrains.mps.lang.coderules.structure.RulesList" flags="ng" index="AVZre">
+        <reference id="3541122455446356437" name="extends" index="2YbDB9" />
+        <child id="3575255234175157601" name="template" index="1nK1Vg" />
+      </concept>
+      <concept id="3575255234174969639" name="jetbrains.mps.lang.coderules.structure.ConstraintRule" flags="ng" index="1nLNMm">
+        <child id="3575255234174969658" name="head" index="1nLNMb" />
+        <child id="7674753015762572651" name="body" index="3xSepv" />
+      </concept>
+      <concept id="3575255234174969615" name="jetbrains.mps.lang.coderules.structure.RuleTemplate" flags="ng" index="1nLNMY">
+        <child id="3575255234174969633" name="input" index="1nLNMg" />
+        <child id="3575255234174969628" name="code" index="1nLNMH" />
+      </concept>
+      <concept id="3575255234174969664" name="jetbrains.mps.lang.coderules.structure.ConstraintRuleStatement" flags="ng" index="1nLNNL">
+        <child id="3575255234174969665" name="rule" index="1nLNNK" />
+      </concept>
+      <concept id="7674753015762572646" name="jetbrains.mps.lang.coderules.structure.BodyBlock" flags="ng" index="3xSepi">
+        <child id="7674753015762572647" name="body" index="3xSepj" />
+      </concept>
+      <concept id="7368070394769089081" name="jetbrains.mps.lang.coderules.structure.RuleInputDeclaration" flags="ng" index="3A20r5" />
+      <concept id="7368070394769139970" name="jetbrains.mps.lang.coderules.structure.RuleInputReference" flags="ng" index="3A2sRY">
+        <reference id="7368070394769213644" name="declaration" index="3A2yKK" />
+      </concept>
+      <concept id="7368070394766963750" name="jetbrains.mps.lang.coderules.structure.Head" flags="ng" index="3Aq93q">
+        <property id="7368070394767443940" name="keep" index="3ArMco" />
+      </concept>
+      <concept id="7368070394766963523" name="jetbrains.mps.lang.coderules.structure.RuleComponent" flags="ng" index="3Aq9uZ">
+        <child id="2316688792939037645" name="logic" index="3Ip0Jz" />
+      </concept>
+      <concept id="7368070394766966388" name="jetbrains.mps.lang.coderules.structure.Body" flags="ng" index="3Aq9E8" />
+      <concept id="7368070394767045637" name="jetbrains.mps.lang.coderules.structure.UserConstraint" flags="ng" index="3Aqt3T">
+        <reference id="7368070394767091750" name="template" index="3AqCNq" />
+        <child id="7368070394768117915" name="argument" index="3AunhB" />
+      </concept>
+      <concept id="2316688792938826204" name="jetbrains.mps.lang.coderules.structure.ConstraintLogicalClause" flags="ng" index="3I6s7M">
+        <child id="2316688792938826214" name="constraint" index="3I6s78" />
+      </concept>
+      <concept id="2316688792938825384" name="jetbrains.mps.lang.coderules.structure.LogicalClauseList" flags="ng" index="3I6sU6">
+        <child id="2316688792938825385" name="clauses" index="3I6sU7" />
+      </concept>
+    </language>
+  </registry>
+  <node concept="AVZre" id="127bLwWSGoY">
+    <property role="TrG5h" value="CheckScopes" />
+    <ref role="2YbDB9" to="kqnc:6qJjpCjlmVR" resolve="CheckAll" />
+    <node concept="1nLNMY" id="127bLwWSGxr" role="1nK1Vg">
+      <property role="TrG5h" value="check_ComeFromExspression" />
+      <node concept="3clFbS" id="127bLwWSGxs" role="1nLNMH">
+        <node concept="1nLNNL" id="127bLwWSGxG" role="3cqZAp">
+          <node concept="1nLNMm" id="127bLwWSGxI" role="1nLNNK">
+            <node concept="3Aq93q" id="127bLwWSGxM" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="127bLwWSGxN" role="3Ip0Jz">
+                <node concept="3I6s7M" id="127bLwWSGDY" role="3I6sU7">
+                  <node concept="3Aqt3T" id="127bLwWSGDX" role="3I6s78">
+                    <ref role="3AqCNq" to="kqnc:34$A1MfabR$" resolve="checkAll" />
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3xSepi" id="127bLwWSGE1" role="3xSepv">
+              <node concept="3Aq9E8" id="127bLwWSGE2" role="3xSepj">
+                <node concept="3I6sU6" id="127bLwWSGE3" role="3Ip0Jz">
+                  <node concept="3I6s7M" id="127bLwWSGEd" role="3I6sU7">
+                    <node concept="3Aqt3T" id="127bLwWSGEc" role="3I6s78">
+                      <ref role="3AqCNq" to="kqnc:34$A1MfhdDv" resolve="typeOf" />
+                      <node concept="37jhX" id="127bLwWSGEl" role="3AunhB">
+                        <node concept="3A2sRY" id="127bLwWSGEj" role="37jj2">
+                          <ref role="3A2yKK" node="127bLwWSGx_" resolve="cfe" />
+                        </node>
+                      </node>
+                      <node concept="ns1u0" id="127bLwWSGEE" role="3AunhB">
+                        <ref role="ns1xF" to="kqnc:JOGAOsVt36" resolve="_boolean_" />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="2t___k" id="127bLwWSGx$" role="1nLNMg">
+        <ref role="2t_S0q" to="genb:70qA1hy$CJv" resolve="ComeFromExpression" />
+        <node concept="3A20r5" id="127bLwWSGx_" role="2t_VXX">
+          <property role="TrG5h" value="cfe" />
+        </node>
+      </node>
+    </node>
+    <node concept="1nLNMY" id="127bLwWSGFH" role="1nK1Vg">
+      <property role="TrG5h" value="check_CompositeWithParentScopeExpression" />
+      <node concept="2t___k" id="127bLwWSGG1" role="1nLNMg">
+        <ref role="2t_S0q" to="genb:70qA1hy$hAX" resolve="CompositeWithParentScopeExpression" />
+        <node concept="3A20r5" id="127bLwWSGG2" role="2t_VXX">
+          <property role="TrG5h" value="cwpse" />
+        </node>
+      </node>
+      <node concept="3clFbS" id="127bLwWSGGc" role="1nLNMH">
+        <node concept="1nLNNL" id="127bLwWSGGa" role="3cqZAp">
+          <node concept="1nLNMm" id="127bLwWSGGb" role="1nLNNK">
+            <node concept="3Aq93q" id="127bLwWSGGg" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="127bLwWSGGh" role="3Ip0Jz">
+                <node concept="3I6s7M" id="127bLwWSGGl" role="3I6sU7">
+                  <node concept="3Aqt3T" id="127bLwWSGGk" role="3I6s78">
+                    <ref role="3AqCNq" to="kqnc:34$A1MfabR$" resolve="checkAll" />
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3xSepi" id="127bLwWSGGo" role="3xSepv">
+              <node concept="3Aq9E8" id="127bLwWSGGp" role="3xSepj">
+                <node concept="3I6sU6" id="127bLwWSGGq" role="3Ip0Jz">
+                  <node concept="3I6s7M" id="127bLwWSGGv" role="3I6sU7">
+                    <node concept="3Aqt3T" id="127bLwWSGGu" role="3I6s78">
+                      <ref role="3AqCNq" to="kqnc:34$A1MfhdDv" resolve="typeOf" />
+                      <node concept="37jhX" id="127bLwWSGGB" role="3AunhB">
+                        <node concept="3A2sRY" id="127bLwWSGG_" role="37jj2">
+                          <ref role="3A2yKK" node="127bLwWSGG2" resolve="cwpse" />
+                        </node>
+                      </node>
+                      <node concept="ns1u0" id="127bLwWSGGM" role="3AunhB">
+                        <ref role="ns1xF" to="kqnc:JOGAOsVt2a" resolve="classifier" />
+                        <node concept="nsMwS" id="127bLwWSHIP" role="ns1xD">
+                          <ref role="nsMwP" to="kqnc:JOGAOsVt2c" resolve="classifier" />
+                          <node concept="h$QuP" id="127bLwWSHQh" role="iSaTp">
+                            <ref role="h$OrH" to="o8zo:3fifI_xCtN$" resolve="Scope" />
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="1nLNMY" id="127bLwWSHQk" role="1nK1Vg">
+      <property role="TrG5h" value="check_ParentScope" />
+      <node concept="2t___k" id="127bLwWSHQl" role="1nLNMg">
+        <ref role="2t_S0q" to="genb:70qA1hy$wwM" resolve="ParentScope" />
+        <node concept="3A20r5" id="127bLwWSHQm" role="2t_VXX">
+          <property role="TrG5h" value="ps" />
+        </node>
+      </node>
+      <node concept="3clFbS" id="127bLwWSHQn" role="1nLNMH">
+        <node concept="1nLNNL" id="127bLwWSHQo" role="3cqZAp">
+          <node concept="1nLNMm" id="127bLwWSHQp" role="1nLNNK">
+            <node concept="3Aq93q" id="127bLwWSHQq" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="127bLwWSHQr" role="3Ip0Jz">
+                <node concept="3I6s7M" id="127bLwWSHQs" role="3I6sU7">
+                  <node concept="3Aqt3T" id="127bLwWSHQt" role="3I6s78">
+                    <ref role="3AqCNq" to="kqnc:34$A1MfabR$" resolve="checkAll" />
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3xSepi" id="127bLwWSHQu" role="3xSepv">
+              <node concept="3Aq9E8" id="127bLwWSHQv" role="3xSepj">
+                <node concept="3I6sU6" id="127bLwWSHQw" role="3Ip0Jz">
+                  <node concept="3I6s7M" id="127bLwWSHQx" role="3I6sU7">
+                    <node concept="3Aqt3T" id="127bLwWSHQy" role="3I6s78">
+                      <ref role="3AqCNq" to="kqnc:34$A1MfhdDv" resolve="typeOf" />
+                      <node concept="37jhX" id="127bLwWSHQz" role="3AunhB">
+                        <node concept="3A2sRY" id="127bLwWSHQ$" role="37jj2">
+                          <ref role="3A2yKK" node="127bLwWSHQm" resolve="ps" />
+                        </node>
+                      </node>
+                      <node concept="ns1u0" id="127bLwWSHQ_" role="3AunhB">
+                        <ref role="ns1xF" to="kqnc:JOGAOsVt2a" resolve="classifier" />
+                        <node concept="nsMwS" id="127bLwWSHQA" role="ns1xD">
+                          <ref role="nsMwP" to="kqnc:JOGAOsVt2c" resolve="classifier" />
+                          <node concept="h$QuP" id="127bLwWSHQB" role="iSaTp">
+                            <ref role="h$OrH" to="o8zo:3fifI_xCtN$" resolve="Scope" />
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
+  </node>
+</model>
+
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.typesystem.mps b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.typesystem.mps
new file mode 100644
index 00000000..dcbd5f16
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.typesystem.mps
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:279e92d9-a5d8-4b42-8fe1-a2a384a7efc4(jetbrains.mps.lang.scopesExt.typesystem)">
+  <persistence version="9" />
+  <languages>
+    <use id="7a5dda62-9140-4668-ab76-d5ed1746f2b2" name="jetbrains.mps.lang.typesystem" version="5" />
+    <devkit ref="00000000-0000-4000-0000-1de82b3a4936(jetbrains.mps.devkit.aspect.typesystem)" />
+  </languages>
+  <imports />
+  <registry />
+</model>
+
diff --git a/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps b/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps
index d1d7e29d..d0fe37e5 100644
--- a/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps
+++ b/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps
@@ -1439,6 +1439,83 @@
           </node>
         </node>
       </node>
+      <node concept="1E1JtD" id="7uKpZGlJnUS" role="2G$12L">
+        <property role="BnDLt" value="true" />
+        <property role="TrG5h" value="jetbrains.mps.lang.scopesExt" />
+        <property role="3LESm3" value="7ed5deeb-1533-49a3-99e7-1c11286d2cc6" />
+        <node concept="55IIr" id="7uKpZGlJnUV" role="3LF7KH">
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+            <property role="2Ry0Am" value="languages" />
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