diff --git a/build.xml b/build.xml
index ce396361..28a66b64 100644
--- a/build.xml
+++ b/build.xml
@@ -707,12 +707,16 @@
       <module namespace="jetbrains.mps.coderules.runtime" type="solution" uuid="f113d56b-63e3-4120-a89c-2f5dcb8c6290">
         <dependencies>
           <module ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065(JDK)" kind="rt" />
+          <module ref="4c6a28d1-2c60-478d-b36e-db9b3cbb21fb(closures.runtime)" kind="rt" />
+          <module ref="9b80526e-f0bf-4992-bdf5-cee39c1833f3(collections.runtime)" kind="rt" />
           <module ref="52b81ac7-93fd-4e9e-b972-4995882da6d4(jetbrains.mps.baseLanguage.references.runtime)" kind="rt" />
           <module ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065(JDK)" kind="cl" />
           <module ref="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" kind="cl" />
         </dependencies>
         <uses>
           <language id="l:f3061a53-9226-4cc5-a443-f952ceaf5816:jetbrains.mps.baseLanguage" />
+          <language id="l:83888646-71ce-4f1c-9c53-c54016f6ad4f:jetbrains.mps.baseLanguage.collections" />
+          <language id="l:f2801650-65d5-424e-bb1b-463a8781b786:jetbrains.mps.baseLanguage.javadoc" />
         </uses>
         <classpath>
           <entry path="." />
@@ -1511,6 +1515,7 @@
           <module ref="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" kind="cl" />
           <module ref="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" kind="cl" />
           <module ref="f3061a53-9226-4cc5-a443-f952ceaf5816(jetbrains.mps.baseLanguage)" kind="cl" />
+          <module ref="f113d56b-63e3-4120-a89c-2f5dcb8c6290(jetbrains.mps.coderules.runtime)" kind="cl" />
           <module ref="6998f568-f0e9-473b-b4a8-9efb6499fc8d(jetbrains.mps.coderules.typechecking)" kind="cl" />
           <module ref="f9bad4b1-59da-4f20-8feb-9f4cc4ad872e(jetbrains.mps.coderules.typechecking.testlang.sandbox)" kind="cl" />
           <module ref="c4803b19-6d89-4a3b-bf82-390769514add(jetbrains.mps.lang.coderules)" kind="cl" />
@@ -2693,12 +2698,16 @@
       <module namespace="jetbrains.mps.coderules.runtime" type="solution" uuid="f113d56b-63e3-4120-a89c-2f5dcb8c6290">
         <dependencies>
           <module ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065(JDK)" kind="rt" />
+          <module ref="4c6a28d1-2c60-478d-b36e-db9b3cbb21fb(closures.runtime)" kind="rt" />
+          <module ref="9b80526e-f0bf-4992-bdf5-cee39c1833f3(collections.runtime)" kind="rt" />
           <module ref="52b81ac7-93fd-4e9e-b972-4995882da6d4(jetbrains.mps.baseLanguage.references.runtime)" kind="rt" />
           <module ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065(JDK)" kind="cl" />
           <module ref="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" kind="cl" />
         </dependencies>
         <uses>
           <language id="l:f3061a53-9226-4cc5-a443-f952ceaf5816:jetbrains.mps.baseLanguage" />
+          <language id="l:83888646-71ce-4f1c-9c53-c54016f6ad4f:jetbrains.mps.baseLanguage.collections" />
+          <language id="l:f2801650-65d5-424e-bb1b-463a8781b786:jetbrains.mps.baseLanguage.javadoc" />
         </uses>
         <classpath>
           <entry path="." />
@@ -4064,10 +4073,10 @@
         <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-generator.jar" />
-        <fileset file="${artifacts.mps}/lib/mps-logging.jar" />
         <fileset file="${artifacts.mps}/lib/mps-closures.jar" />
         <fileset file="${artifacts.mps}/lib/mps-collections.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-generator.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-behavior-api.jar" />
@@ -4769,7 +4778,7 @@
     </javac>
   </target>
   
-  <target name="java.compile.jetbrains.mps.coderules.typechecking.test" depends="java.compile.jetbrains.mps.coderules, java.compile.jetbrains.mps.coderules.typechecking, java.compile.jetbrains.mps.coderules.typechecking.testlang.sandbox, java.compile.jetbrains.mps.lang.coderules, java.compile.jetbrains.mps.lang.coderules.runtime, java.compile.jetbrains.mps.lang.coderules.template, java.compile.jetbrains.mps.lang.typechecking.runtime, java.compile.jetbrains.mps.logic, java.compile.jetbrains.mps.logic.runtime, java.compile.jetbrains.mps.logic.test, java.compile.jetbrains.mps.typechecking.testlang, fetchDependencies">
+  <target name="java.compile.jetbrains.mps.coderules.typechecking.test" depends="java.compile.jetbrains.mps.coderules, java.compile.jetbrains.mps.coderules.runtime, java.compile.jetbrains.mps.coderules.typechecking, java.compile.jetbrains.mps.coderules.typechecking.testlang.sandbox, java.compile.jetbrains.mps.lang.coderules, java.compile.jetbrains.mps.lang.coderules.runtime, java.compile.jetbrains.mps.lang.coderules.template, java.compile.jetbrains.mps.lang.typechecking.runtime, java.compile.jetbrains.mps.logic, java.compile.jetbrains.mps.logic.runtime, java.compile.jetbrains.mps.logic.test, java.compile.jetbrains.mps.typechecking.testlang, fetchDependencies">
     <mkdir dir="${mps.macro.coderules_home}/coderules/solutions/jetbrains.mps.coderules.typechecking.test/source_gen" />
     <mkdir dir="${build.tmp}/java/out/jetbrains.mps.coderules.typechecking.test" />
     <javac destdir="${build.tmp}/java/out/jetbrains.mps.coderules.typechecking.test" fork="true" encoding="utf8" includeantruntime="false" debug="true">
@@ -4805,6 +4814,7 @@
         <fileset file="${artifacts.mps}/lib/mps-icons.jar" />
         <fileset file="${artifacts.mps}/lib/mps-workbench.jar" />
         <pathelement path="${build.tmp}/java/out/jetbrains.mps.coderules" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.coderules.runtime" />
         <pathelement path="${build.tmp}/java/out/jetbrains.mps.coderules.typechecking" />
         <pathelement path="${build.tmp}/java/out/jetbrains.mps.coderules.typechecking.testlang.sandbox" />
         <fileset file="${artifacts.mps}/lib/mps-problem.jar" />
@@ -5333,10 +5343,10 @@
         <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-generator.jar" />
-        <fileset file="${artifacts.mps}/lib/mps-logging.jar" />
         <fileset file="${artifacts.mps}/lib/mps-closures.jar" />
         <fileset file="${artifacts.mps}/lib/mps-collections.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-generator.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-behavior-api.jar" />
@@ -5378,10 +5388,10 @@
         <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-generator.jar" />
-        <fileset file="${artifacts.mps}/lib/mps-logging.jar" />
         <fileset file="${artifacts.mps}/lib/mps-closures.jar" />
         <fileset file="${artifacts.mps}/lib/mps-collections.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-generator.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-behavior-api.jar" />
@@ -5414,10 +5424,10 @@
         <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-generator.jar" />
-        <fileset file="${artifacts.mps}/lib/mps-logging.jar" />
         <fileset file="${artifacts.mps}/lib/mps-closures.jar" />
         <fileset file="${artifacts.mps}/lib/mps-collections.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-generator.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-behavior-api.jar" />
diff --git a/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.eval.mps b/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.eval.mps
index 36aed706..b313a030 100644
--- a/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.eval.mps
+++ b/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.eval.mps
@@ -38,6 +38,7 @@
     <import index="82uw" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util.function(JDK/)" />
     <import index="5zyv" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util.concurrent(JDK/)" />
     <import index="lehm" ref="r:464fcc95-fddb-47d1-b620-592cbf6b8bf2(jetbrains.mps.coderules.runtime.memoizer)" />
+    <import index="psoy" ref="r:78313117-90ee-47a5-a91e-b5213df7f611(jetbrains.mps.coderules.runtime.result)" />
   </imports>
   <registry>
     <language id="a247e09e-2435-45ba-b8d2-07e93feba96a" name="jetbrains.mps.baseLanguage.tuples">
@@ -47,9 +48,6 @@
     </language>
     <language id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage">
       <concept id="1080223426719" name="jetbrains.mps.baseLanguage.structure.OrExpression" flags="nn" index="22lmx$" />
-      <concept id="1219920932475" name="jetbrains.mps.baseLanguage.structure.VariableArityType" flags="in" index="8X2XB">
-        <child id="1219921048460" name="componentType" index="8Xvag" />
-      </concept>
       <concept id="1082485599095" name="jetbrains.mps.baseLanguage.structure.BlockStatement" flags="nn" index="9aQIb">
         <child id="1082485599096" name="statements" index="9aQI4" />
       </concept>
@@ -412,7 +410,6 @@
         <reference id="1153944258490" name="variable" index="2Gs0qQ" />
       </concept>
       <concept id="1237721394592" name="jetbrains.mps.baseLanguage.collections.structure.AbstractContainerCreator" flags="nn" index="HWqM0">
-        <child id="1237721435808" name="initValue" index="HW$Y0" />
         <child id="1237721435807" name="elementType" index="HW$YZ" />
         <child id="1562299158920737514" name="initSize" index="3lWHg$" />
       </concept>
@@ -439,7 +436,6 @@
         <child id="1197687026896" name="keyType" index="3rHrn6" />
         <child id="1197687035757" name="valueType" index="3rHtpV" />
       </concept>
-      <concept id="1165525191778" name="jetbrains.mps.baseLanguage.collections.structure.GetFirstOperation" flags="nn" index="1uHKPH" />
       <concept id="7125221305512719026" name="jetbrains.mps.baseLanguage.collections.structure.CollectionType" flags="in" index="3vKaQO" />
       <concept id="1225711141656" name="jetbrains.mps.baseLanguage.collections.structure.ListElementAccessExpression" flags="nn" index="1y4W85">
         <child id="1225711182005" name="list" index="1y566C" />
@@ -871,11 +867,11 @@
           <node concept="3cpWsn" id="62kWyaxUaeA" role="3cpWs9">
             <property role="TrG5h" value="result" />
             <node concept="3uibUv" id="62kWyaxTO6P" role="1tU5fm">
-              <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
-            <node concept="2YIFZM" id="62kWyaxUaeB" role="33vP2m">
-              <ref role="1Pybhc" node="7Oc59RSEjdb" resolve="Result" />
-              <ref role="37wK5l" node="7Oc59RSEjeq" resolve="OK" />
+            <node concept="2YIFZM" id="7TC1Xcd$6oB" role="33vP2m">
+              <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
           </node>
         </node>
@@ -952,9 +948,9 @@
               <node concept="3clFbS" id="1X0h_efY7pq" role="3clFbx">
                 <node concept="3clFbF" id="62kWyaxUwip" role="3cqZAp">
                   <node concept="37vLTI" id="62kWyaxUwsQ" role="3clFbG">
-                    <node concept="2YIFZM" id="62kWyaxUwDD" role="37vLTx">
-                      <ref role="1Pybhc" node="7Oc59RSEjdb" resolve="Result" />
-                      <ref role="37wK5l" node="5X1yxJHYPm2" resolve="FAIL" />
+                    <node concept="2YIFZM" id="7TC1Xcd$6oO" role="37vLTx">
+                      <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
+                      <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                       <node concept="2OqwBi" id="62kWyaxUwEU" role="37wK5m">
                         <node concept="37vLTw" id="62kWyaxUwEV" role="2Oq$k0">
                           <ref role="3cqZAo" node="1X0h_efYbPi" resolve="feedback" />
@@ -1042,9 +1038,9 @@
                 </node>
               </node>
               <node concept="3cpWs6" id="RZQG98SpJk" role="3cqZAp">
-                <node concept="2YIFZM" id="RZQG98SpJl" role="3cqZAk">
-                  <ref role="1Pybhc" node="7Oc59RSEjdb" resolve="Result" />
-                  <ref role="37wK5l" node="5X1yxJHYPm2" resolve="FAIL" />
+                <node concept="2YIFZM" id="7TC1Xcd$6oP" role="3cqZAk">
+                  <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
+                  <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                   <node concept="37vLTw" id="RZQG98SraT" role="37wK5m">
                     <ref role="3cqZAo" node="RZQG98Sokj" resolve="ex" />
                   </node>
@@ -1074,9 +1070,9 @@
                 </node>
               </node>
               <node concept="3cpWs6" id="7rf49NgqUQx" role="3cqZAp">
-                <node concept="2YIFZM" id="7rf49NgqWOl" role="3cqZAk">
-                  <ref role="1Pybhc" node="7Oc59RSEjdb" resolve="Result" />
-                  <ref role="37wK5l" node="5X1yxJHYPm2" resolve="FAIL" />
+                <node concept="2YIFZM" id="7TC1Xcd$6oQ" role="3cqZAk">
+                  <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
+                  <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                   <node concept="37vLTw" id="7rf49Ngr2H$" role="37wK5m">
                     <ref role="3cqZAo" node="7rf49NgqSol" resolve="vmerr" />
                   </node>
@@ -1231,7 +1227,7 @@
         </node>
       </node>
       <node concept="3uibUv" id="3GlpCDSFjwR" role="3clF45">
-        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="3Tm1VV" id="41ox5VnkgxL" role="1B3o_S" />
       <node concept="P$JXv" id="3GlpCDSBF3O" role="lGtFl">
@@ -1367,755 +1363,6 @@
       </node>
     </node>
   </node>
-  <node concept="312cEu" id="7Oc59RSEjdb">
-    <property role="TrG5h" value="Result" />
-    <property role="1sVAO0" value="true" />
-    <node concept="2tJIrI" id="7Oc59RSEmi9" role="jymVt" />
-    <node concept="2YIFZL" id="7Oc59RSEjeq" role="jymVt">
-      <property role="TrG5h" value="OK" />
-      <node concept="3uibUv" id="7Oc59RSEjeG" role="3clF45">
-        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
-      </node>
-      <node concept="3Tm1VV" id="7Oc59RSEjet" role="1B3o_S" />
-      <node concept="3clFbS" id="7Oc59RSEjeu" role="3clF47">
-        <node concept="3clFbF" id="7Oc59RSEm38" role="3cqZAp">
-          <node concept="37vLTw" id="7Oc59RSEme7" role="3clFbG">
-            <ref role="3cqZAo" node="7Oc59RSEmdT" resolve="OK_RESULT" />
-          </node>
-        </node>
-      </node>
-    </node>
-    <node concept="2tJIrI" id="2Z9Itkdc8bL" role="jymVt" />
-    <node concept="2YIFZL" id="5X1yxJHYPm2" role="jymVt">
-      <property role="TrG5h" value="FAIL" />
-      <node concept="37vLTG" id="5X1yxJHYPm5" role="3clF46">
-        <property role="TrG5h" value="cause" />
-        <node concept="3uibUv" id="5X1yxJHYPm6" role="1tU5fm">
-          <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
-        </node>
-      </node>
-      <node concept="3uibUv" id="5X1yxJHYPm7" role="3clF45">
-        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
-      </node>
-      <node concept="3Tm1VV" id="5X1yxJHYPm8" role="1B3o_S" />
-      <node concept="3clFbS" id="5X1yxJHYPm9" role="3clF47">
-        <node concept="3clFbF" id="5X1yxJHYPma" role="3cqZAp">
-          <node concept="2ShNRf" id="5X1yxJHYPmb" role="3clFbG">
-            <node concept="1pGfFk" id="5X1yxJHYPmc" role="2ShVmc">
-              <ref role="37wK5l" node="5X1yxJI5ga4" resolve="Result.FAILURE" />
-              <node concept="37vLTw" id="5X1yxJHYPmg" role="37wK5m">
-                <ref role="3cqZAo" node="5X1yxJHYPm5" resolve="cause" />
-              </node>
-            </node>
-          </node>
-        </node>
-      </node>
-    </node>
-    <node concept="2tJIrI" id="5X1yxJHYPm1" role="jymVt" />
-    <node concept="2YIFZL" id="5X1yxJHYTYX" role="jymVt">
-      <property role="TrG5h" value="RECOVER" />
-      <node concept="37vLTG" id="5X1yxJHYTZ0" role="3clF46">
-        <property role="TrG5h" value="cause" />
-        <node concept="3uibUv" id="5X1yxJHYTZ1" role="1tU5fm">
-          <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
-        </node>
-      </node>
-      <node concept="3uibUv" id="5X1yxJHYTZ2" role="3clF45">
-        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
-      </node>
-      <node concept="3Tm1VV" id="5X1yxJHYTZ3" role="1B3o_S" />
-      <node concept="3clFbS" id="5X1yxJHYTZ4" role="3clF47">
-        <node concept="3clFbF" id="5X1yxJHYTZ5" role="3cqZAp">
-          <node concept="2ShNRf" id="5X1yxJHYTZ6" role="3clFbG">
-            <node concept="1pGfFk" id="5X1yxJHYTZ7" role="2ShVmc">
-              <ref role="37wK5l" node="5X1yxJI5jQf" resolve="Result.RECOVERED" />
-              <node concept="37vLTw" id="5X1yxJI5maE" role="37wK5m">
-                <ref role="3cqZAo" node="5X1yxJHYTZ0" resolve="cause" />
-              </node>
-            </node>
-          </node>
-        </node>
-      </node>
-    </node>
-    <node concept="2tJIrI" id="5X1yxJHYTYW" role="jymVt" />
-    <node concept="Wx3nA" id="7Oc59RSEmdT" role="jymVt">
-      <property role="TrG5h" value="OK_RESULT" />
-      <node concept="3Tm6S6" id="7Oc59RSEmdS" role="1B3o_S" />
-      <node concept="3uibUv" id="7Oc59RSEmdH" role="1tU5fm">
-        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
-      </node>
-      <node concept="2ShNRf" id="7Oc59RSJqdQ" role="33vP2m">
-        <node concept="HV5vD" id="7Oc59RSJqoK" role="2ShVmc">
-          <ref role="HV5vE" node="7Oc59RSJo_6" resolve="Result.OK" />
-        </node>
-      </node>
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   <node concept="312cEu" id="6fdr4UgftiG">
     <property role="TrG5h" value="RuleTemplateIndex" />
     <node concept="2tJIrI" id="20Ay2VeQfgH" role="jymVt" />
@@ -4783,7 +4030,7 @@
       <property role="TrG5h" value="produce" />
       <node concept="3Tm1VV" id="7kTeLbPopUh" role="1B3o_S" />
       <node concept="3uibUv" id="7kTeLbPojC_" role="3clF45">
-        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
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       <node concept="37vLTG" id="7i3KM7gki_o" role="3clF46">
         <property role="TrG5h" value="rulesListTable" />
@@ -4822,11 +4069,11 @@
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                     <property role="TrG5h" value="result" />
                     <node concept="3uibUv" id="6OXbTDxOoZ1" role="1tU5fm">
-                      <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+                      <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
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-                    <node concept="2YIFZM" id="6OXbTDzR350" role="33vP2m">
-                      <ref role="37wK5l" node="7Oc59RSEjeq" resolve="OK" />
-                      <ref role="1Pybhc" node="7Oc59RSEjdb" resolve="Result" />
+                    <node concept="2YIFZM" id="7TC1Xcd$6oC" role="33vP2m">
+                      <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+                      <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
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@@ -4843,7 +4090,7 @@
                             <ref role="3cqZAo" node="6OXbTDxOoZd" resolve="result" />
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                           <node concept="liA8E" id="6OXbTDxPptb" role="2OqNvi">
-                            <ref role="37wK5l" node="7nkyKX7v7xb" resolve="and" />
+                            <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                             <node concept="2OqwBi" id="6OXbTDxPpIU" role="37wK5m">
                               <node concept="37vLTw" id="6OXbTDxPp_9" role="2Oq$k0">
                                 <ref role="3cqZAo" node="7kTeLbPojCI" resolve="factory" />
@@ -4893,7 +4140,7 @@
                         <ref role="3cqZAo" node="6OXbTDxOoZd" resolve="result" />
                       </node>
                       <node concept="liA8E" id="6OXbTDzR3$y" role="2OqNvi">
-                        <ref role="37wK5l" node="7nkyKX7v7xb" resolve="and" />
+                        <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                         <node concept="2OqwBi" id="6OXbTDxOoZe" role="37wK5m">
                           <node concept="37vLTw" id="6OXbTDxOoZf" role="2Oq$k0">
                             <ref role="3cqZAo" node="7kTeLbPojCI" resolve="factory" />
@@ -4995,12 +4242,12 @@
             <ref role="3uigEE" to="ksgm:12yN8DyF_E1" resolve="ProgramFactory" />
           </node>
           <node concept="3uibUv" id="7kTeLbPnOYu" role="1ajl9A">
-            <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+            <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
           </node>
         </node>
       </node>
       <node concept="3uibUv" id="7kTeLbPnVDn" role="3clF45">
-        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="3Tm6S6" id="7kTeLbPnEee" role="1B3o_S" />
       <node concept="3clFbS" id="7kTeLbPnDc4" role="3clF47">
@@ -5157,7 +4404,7 @@
           <node concept="3cpWsn" id="7kTeLbPnP2B" role="3cpWs9">
             <property role="TrG5h" value="result" />
             <node concept="3uibUv" id="7kTeLbPnP2C" role="1tU5fm">
-              <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
             <node concept="1rXfSq" id="4vBwiiVeFWN" role="33vP2m">
               <ref role="37wK5l" node="7kTeLbPg82h" resolve="withMemoizer" />
@@ -5230,7 +4477,7 @@
                 <ref role="3cqZAo" node="7kTeLbPnP2B" resolve="result" />
               </node>
               <node concept="liA8E" id="cmlg9O$$EL" role="2OqNvi">
-                <ref role="37wK5l" node="7nkyKX7v7xb" resolve="and" />
+                <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                 <node concept="2OqwBi" id="cmlg9O$$EM" role="37wK5m">
                   <node concept="37vLTw" id="cmlg9O$$EN" role="2Oq$k0">
                     <ref role="3cqZAo" node="6OXbTDxQIa8" resolve="factory" />
@@ -5276,7 +4523,7 @@
               <ref role="3cqZAo" node="7kTeLbPnP2B" resolve="result" />
             </node>
             <node concept="liA8E" id="cmlg9OCaV3" role="2OqNvi">
-              <ref role="37wK5l" node="7Oc59RS_hsj" resolve="isSuccessful" />
+              <ref role="37wK5l" to="psoy:7Oc59RS_hsj" resolve="isSuccessful" />
             </node>
           </node>
         </node>
@@ -5348,12 +4595,12 @@
         <property role="TrG5h" value="action" />
         <node concept="1ajhzC" id="7kTeLbPgemd" role="1tU5fm">
           <node concept="3uibUv" id="7kTeLbPgeo8" role="1ajl9A">
-            <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+            <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
           </node>
         </node>
       </node>
       <node concept="3uibUv" id="7kTeLbPgdQB" role="3clF45">
-        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="3Tm6S6" id="7kTeLbPg96d" role="1B3o_S" />
       <node concept="3clFbS" id="7kTeLbPg82l" role="3clF47">
diff --git a/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.program.mps b/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.program.mps
index f61399bb..5ed83dc6 100644
--- a/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.program.mps
+++ b/coderules/languages/jetbrains.mps.lang.coderules/runtime/models/jetbrains.mps.lang.coderules.program.mps
@@ -32,6 +32,7 @@
     <import index="cmfw" ref="8865b7a8-5271-43d3-884c-6fd1d9cfdd34/java:org.jetbrains.mps.openapi.event(MPS.OpenAPI/)" />
     <import index="mhfm" ref="3f233e7f-b8a6-46d2-a57f-795d56775243/java:org.jetbrains.annotations(Annotations/)" />
     <import index="82uw" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util.function(JDK/)" />
+    <import index="psoy" ref="r:78313117-90ee-47a5-a91e-b5213df7f611(jetbrains.mps.coderules.runtime.result)" />
   </imports>
   <registry>
     <language id="a247e09e-2435-45ba-b8d2-07e93feba96a" name="jetbrains.mps.baseLanguage.tuples">
@@ -4696,7 +4697,7 @@
         </node>
       </node>
       <node concept="3uibUv" id="7nkyKX7nfei" role="3clF45">
-        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="3Tm1VV" id="cmlg9O$qY1" role="1B3o_S" />
       <node concept="3clFbS" id="7nkyKX7ncaR" role="3clF47">
@@ -4704,11 +4705,11 @@
           <node concept="3cpWsn" id="2Z9Itkddll6" role="3cpWs9">
             <property role="TrG5h" value="res" />
             <node concept="3uibUv" id="2Z9Itkddll7" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
-            <node concept="2YIFZM" id="2Z9Itkddqk0" role="33vP2m">
-              <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
-              <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+            <node concept="2YIFZM" id="7TC1Xcd$6oD" role="33vP2m">
+              <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
           </node>
         </node>
@@ -4722,7 +4723,7 @@
                     <ref role="3cqZAo" node="2Z9Itkddll6" resolve="res" />
                   </node>
                   <node concept="liA8E" id="2Z9ItkddNZZ" role="2OqNvi">
-                    <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                    <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                     <node concept="2OqwBi" id="4MqhgXUSMc_" role="37wK5m">
                       <node concept="37vLTw" id="4MqhgXUSLTM" role="2Oq$k0">
                         <ref role="3cqZAo" node="1CcQBrPh8x2" resolve="programBuilder" />
@@ -4841,10 +4842,10 @@
                       <ref role="3cqZAo" node="2Z9Itkddll6" resolve="res" />
                     </node>
                     <node concept="liA8E" id="2Z9Itkdf37I" role="2OqNvi">
-                      <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
-                      <node concept="2YIFZM" id="2Z9Itkdf3xJ" role="37wK5m">
-                        <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
-                        <ref role="37wK5l" to="hano:5X1yxJHYPm2" resolve="FAIL" />
+                      <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
+                      <node concept="2YIFZM" id="7TC1Xcd$6oR" role="37wK5m">
+                        <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
+                        <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                         <node concept="37vLTw" id="2TBKto$2$X$" role="37wK5m">
                           <ref role="3cqZAo" node="2TBKto$1GRD" resolve="e" />
                         </node>
@@ -4917,7 +4918,7 @@
                     <ref role="3cqZAo" node="2Z9Itkddll6" resolve="res" />
                   </node>
                   <node concept="liA8E" id="2Z9ItkddTgR" role="2OqNvi">
-                    <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                    <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                     <node concept="2OqwBi" id="4MqhgXUSOsg" role="37wK5m">
                       <node concept="37vLTw" id="4MqhgXUSNRv" role="2Oq$k0">
                         <ref role="3cqZAo" node="1CcQBrPh8x2" resolve="programBuilder" />
@@ -4961,7 +4962,7 @@
         </node>
       </node>
       <node concept="3uibUv" id="4QPCta1bMC8" role="3clF45">
-        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="3Tm1VV" id="4$YN6QuyBIN" role="1B3o_S" />
       <node concept="3clFbS" id="4QPCta1bMCa" role="3clF47">
@@ -4969,11 +4970,11 @@
           <node concept="3cpWsn" id="4QPCta1bMCc" role="3cpWs9">
             <property role="TrG5h" value="result" />
             <node concept="3uibUv" id="4QPCta1bMCd" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
-            <node concept="2YIFZM" id="4QPCta1bMCe" role="33vP2m">
-              <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
-              <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
+            <node concept="2YIFZM" id="7TC1Xcd$6oE" role="33vP2m">
+              <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
           </node>
         </node>
@@ -5016,7 +5017,7 @@
                 <property role="TrG5h" value="noInput" />
                 <node concept="1LlUBW" id="2Qe6u2cltUt" role="1tU5fm">
                   <node concept="3uibUv" id="2Qe6u2cltUu" role="1Lm7xW">
-                    <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                    <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                   </node>
                   <node concept="3vKaQO" id="2Qe6u2cltUv" role="1Lm7xW">
                     <node concept="3Tqbb2" id="2Qe6u2cltUw" role="3O5elw" />
@@ -5048,7 +5049,7 @@
                     <ref role="3cqZAo" node="4QPCta1bMCc" resolve="result" />
                   </node>
                   <node concept="liA8E" id="4QPCta1bMCk" role="2OqNvi">
-                    <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                    <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                     <node concept="1LFfDK" id="2Qe6u2clsyS" role="37wK5m">
                       <node concept="3cmrfG" id="2Qe6u2clsJr" role="1LF_Uc">
                         <property role="3cmrfH" value="0" />
@@ -5122,7 +5123,7 @@
                 <ref role="3cqZAo" node="4QPCta1bMCc" resolve="result" />
               </node>
               <node concept="liA8E" id="4QPCta1bMCt" role="2OqNvi">
-                <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                 <node concept="2OqwBi" id="4QPCta1bMCu" role="37wK5m">
                   <node concept="Xjq3P" id="4QPCta1bMCv" role="2Oq$k0" />
                   <node concept="liA8E" id="4QPCta1bMCw" role="2OqNvi">
@@ -5169,7 +5170,7 @@
         </node>
       </node>
       <node concept="3uibUv" id="6OXbTDxOCKa" role="3clF45">
-        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="3Tm1VV" id="4$YN6QuyIUM" role="1B3o_S" />
       <node concept="3clFbS" id="6OXbTDxOzxx" role="3clF47">
@@ -5177,11 +5178,11 @@
           <node concept="3cpWsn" id="6OXbTDxPbTe" role="3cpWs9">
             <property role="TrG5h" value="result" />
             <node concept="3uibUv" id="6OXbTDxPbTf" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
-            <node concept="2YIFZM" id="6OXbTDxPbTg" role="33vP2m">
-              <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
-              <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
+            <node concept="2YIFZM" id="7TC1Xcd$6oF" role="33vP2m">
+              <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
           </node>
         </node>
@@ -5194,7 +5195,7 @@
                     <ref role="3cqZAo" node="6OXbTDxPbTe" resolve="result" />
                   </node>
                   <node concept="liA8E" id="6OXbTDyhxJe" role="2OqNvi">
-                    <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                    <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                     <node concept="1rXfSq" id="6OXbTDyhxQW" role="37wK5m">
                       <ref role="37wK5l" node="6OXbTDy1oEg" resolve="applyQueryTemplates" />
                       <node concept="37vLTw" id="cmlg9OIGvM" role="37wK5m">
@@ -5259,7 +5260,7 @@
         </node>
       </node>
       <node concept="3uibUv" id="4QPCta1aZLv" role="3clF45">
-        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="3Tm6S6" id="4QPCta1aZLw" role="1B3o_S" />
       <node concept="3clFbS" id="4QPCta1aZLx" role="3clF47">
@@ -5353,7 +5354,7 @@
           <node concept="3cpWsn" id="4QPCta1aZLF" role="3cpWs9">
             <property role="TrG5h" value="result" />
             <node concept="3uibUv" id="4QPCta1aZLG" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
             <node concept="2OqwBi" id="4QPCta1aZLH" role="33vP2m">
               <node concept="37vLTw" id="4QPCta1aZLI" role="2Oq$k0">
@@ -5433,7 +5434,7 @@
               <ref role="3cqZAo" node="4QPCta1aZLF" resolve="result" />
             </node>
             <node concept="liA8E" id="2fobfNk6_p4" role="2OqNvi">
-              <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+              <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
               <node concept="1rXfSq" id="2fobfNk6_p5" role="37wK5m">
                 <ref role="37wK5l" node="tIwzd1MM22" resolve="processRequired" />
                 <node concept="1Ls8ON" id="2fobfNk6_p6" role="37wK5m">
@@ -5455,7 +5456,7 @@
       <property role="TrG5h" value="processRequired" />
       <node concept="3Tm6S6" id="tIwzd1MM23" role="1B3o_S" />
       <node concept="3uibUv" id="6i42QSsq0Nv" role="3clF45">
-        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="37vLTG" id="tIwzd1MM1I" role="3clF46">
         <property role="TrG5h" value="required_visited" />
@@ -5473,11 +5474,11 @@
           <node concept="3cpWsn" id="6i42QSsq4kX" role="3cpWs9">
             <property role="TrG5h" value="result" />
             <node concept="3uibUv" id="6i42QSsq4kV" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
-            <node concept="2YIFZM" id="6i42QSsq4kY" role="33vP2m">
-              <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
-              <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
+            <node concept="2YIFZM" id="7TC1Xcd$6oG" role="33vP2m">
+              <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
           </node>
         </node>
@@ -5570,7 +5571,7 @@
                     <ref role="3cqZAo" node="6i42QSsq4kX" resolve="result" />
                   </node>
                   <node concept="liA8E" id="6i42QSsvreX" role="2OqNvi">
-                    <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                    <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                     <node concept="2OqwBi" id="4MqhgXUA1zd" role="37wK5m">
                       <node concept="37vLTw" id="4MqhgXUA1j8" role="2Oq$k0">
                         <ref role="3cqZAo" node="6i42QSsvfVd" resolve="applyingResult" />
@@ -5678,9 +5679,9 @@
             <node concept="3clFbS" id="5X1yxJI7J0Z" role="1zc67A">
               <node concept="3cpWs6" id="5X1yxJI8ze0" role="3cqZAp">
                 <node concept="1Ls8ON" id="5X1yxJI8ze1" role="3cqZAk">
-                  <node concept="2YIFZM" id="5X1yxJI8ze2" role="1Lso8e">
-                    <ref role="37wK5l" to="hano:5X1yxJHYTYX" resolve="RECOVER" />
-                    <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+                  <node concept="2YIFZM" id="7TC1Xcd$6oW" role="1Lso8e">
+                    <ref role="37wK5l" to="psoy:5X1yxJHYTYX" resolve="RECOVER" />
+                    <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                     <node concept="2ShNRf" id="5X1yxJI8ze3" role="37wK5m">
                       <node concept="1pGfFk" id="5X1yxJI8ze4" role="2ShVmc">
                         <ref role="37wK5l" to="i348:5X1yxJHUoaR" resolve="TemplateApplicationException" />
@@ -5798,9 +5799,9 @@
             </node>
             <node concept="3cpWs6" id="5MHpiyl_Uhz" role="3cqZAp">
               <node concept="1Ls8ON" id="6i42QSsqED_" role="3cqZAk">
-                <node concept="2YIFZM" id="7XdbJdyManp" role="1Lso8e">
-                  <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
-                  <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+                <node concept="2YIFZM" id="7TC1Xcd$6oH" role="1Lso8e">
+                  <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+                  <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                 </node>
                 <node concept="37vLTw" id="6i42QSsqQ9m" role="1Lso8e">
                   <ref role="3cqZAo" node="6i42QSsqtxe" resolve="builders" />
@@ -5822,9 +5823,9 @@
             <node concept="3clFbS" id="7Oc59RSA9rp" role="1zc67A">
               <node concept="3cpWs6" id="5MHpiylA5DD" role="3cqZAp">
                 <node concept="1Ls8ON" id="6i42QSsqS_w" role="3cqZAk">
-                  <node concept="2YIFZM" id="5X1yxJI9byf" role="1Lso8e">
-                    <ref role="37wK5l" to="hano:5X1yxJHYPm2" resolve="FAIL" />
-                    <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+                  <node concept="2YIFZM" id="7TC1Xcd$6oS" role="1Lso8e">
+                    <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
+                    <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                     <node concept="2ShNRf" id="5X1yxJI9byg" role="37wK5m">
                       <node concept="1pGfFk" id="5X1yxJI9byh" role="2ShVmc">
                         <ref role="37wK5l" to="i348:5X1yxJHUoaR" resolve="TemplateApplicationException" />
@@ -5870,7 +5871,7 @@
       </node>
       <node concept="1LlUBW" id="6i42QSsqj9x" role="3clF45">
         <node concept="3uibUv" id="6i42QSsqniA" role="1Lm7xW">
-          <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+          <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
         </node>
         <node concept="A3Dl8" id="5MHpiylC8T$" role="1Lm7xW">
           <node concept="3uibUv" id="5MHpiylCa5h" role="A3Ik2">
@@ -5918,9 +5919,9 @@
             <node concept="3clFbS" id="5X1yxJI9h8G" role="1zc67A">
               <node concept="3cpWs6" id="5X1yxJI9FIO" role="3cqZAp">
                 <node concept="1Ls8ON" id="5X1yxJI9FIP" role="3cqZAk">
-                  <node concept="2YIFZM" id="5X1yxJI9FIQ" role="1Lso8e">
-                    <ref role="37wK5l" to="hano:5X1yxJHYTYX" resolve="RECOVER" />
-                    <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+                  <node concept="2YIFZM" id="7TC1Xcd$6oX" role="1Lso8e">
+                    <ref role="37wK5l" to="psoy:5X1yxJHYTYX" resolve="RECOVER" />
+                    <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                     <node concept="2ShNRf" id="5X1yxJI9FIR" role="37wK5m">
                       <node concept="1pGfFk" id="5X1yxJI9FIS" role="2ShVmc">
                         <ref role="37wK5l" to="i348:5X1yxJHUoaR" resolve="TemplateApplicationException" />
@@ -6003,9 +6004,9 @@
             </node>
             <node concept="3cpWs6" id="6OXbTDyc$Kv" role="3cqZAp">
               <node concept="1Ls8ON" id="6OXbTDyc$Kw" role="3cqZAk">
-                <node concept="2YIFZM" id="6OXbTDyc$Kx" role="1Lso8e">
-                  <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
-                  <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+                <node concept="2YIFZM" id="7TC1Xcd$6oI" role="1Lso8e">
+                  <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+                  <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                 </node>
                 <node concept="37vLTw" id="6OXbTDyc$Ky" role="1Lso8e">
                   <ref role="3cqZAo" node="6OXbTDycmTj" resolve="builders" />
@@ -6027,9 +6028,9 @@
             <node concept="3clFbS" id="6OXbTDyaL$J" role="1zc67A">
               <node concept="3cpWs6" id="6OXbTDyaL_g" role="3cqZAp">
                 <node concept="1Ls8ON" id="6OXbTDyaL_h" role="3cqZAk">
-                  <node concept="2YIFZM" id="5X1yxJIa384" role="1Lso8e">
-                    <ref role="37wK5l" to="hano:5X1yxJHYPm2" resolve="FAIL" />
-                    <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+                  <node concept="2YIFZM" id="7TC1Xcd$6oT" role="1Lso8e">
+                    <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
+                    <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                     <node concept="2ShNRf" id="5X1yxJIa385" role="37wK5m">
                       <node concept="1pGfFk" id="5X1yxJIa386" role="2ShVmc">
                         <ref role="37wK5l" to="i348:5X1yxJHUoaR" resolve="TemplateApplicationException" />
@@ -6076,7 +6077,7 @@
       </node>
       <node concept="1LlUBW" id="6OXbTDyaL_u" role="3clF45">
         <node concept="3uibUv" id="6OXbTDyaL_v" role="1Lm7xW">
-          <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+          <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
         </node>
         <node concept="A3Dl8" id="6OXbTDyaL_w" role="1Lm7xW">
           <node concept="3uibUv" id="6OXbTDyaL_x" role="A3Ik2">
@@ -6293,11 +6294,11 @@
           <node concept="3cpWsn" id="6i42QSsrVMO" role="3cpWs9">
             <property role="TrG5h" value="result" />
             <node concept="3uibUv" id="6i42QSsrVMM" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
-            <node concept="2YIFZM" id="6i42QSsrVMP" role="33vP2m">
-              <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
-              <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+            <node concept="2YIFZM" id="7TC1Xcd$6oJ" role="33vP2m">
+              <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
           </node>
         </node>
@@ -6441,7 +6442,7 @@
                     <property role="TrG5h" value="result_builder" />
                     <node concept="1LlUBW" id="6i42QSsrrp$" role="1tU5fm">
                       <node concept="3uibUv" id="6i42QSsrrpJ" role="1Lm7xW">
-                        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                       </node>
                       <node concept="A3Dl8" id="6i42QSsrrpH" role="1Lm7xW">
                         <node concept="3uibUv" id="6i42QSsrrpI" role="A3Ik2">
@@ -6464,7 +6465,7 @@
                   <node concept="3cpWsn" id="2gw7OvgBDWU" role="3cpWs9">
                     <property role="TrG5h" value="apply_result" />
                     <node concept="3uibUv" id="2gw7OvgBDwH" role="1tU5fm">
-                      <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                      <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                     </node>
                     <node concept="1LFfDK" id="2gw7OvgBDWV" role="33vP2m">
                       <node concept="3cmrfG" id="2gw7OvgBDWW" role="1LF_Uc">
@@ -6940,10 +6941,10 @@
                                   <ref role="3cqZAo" node="2gw7OvgBDWU" resolve="apply_result" />
                                 </node>
                                 <node concept="liA8E" id="6i42QSss41w" role="2OqNvi">
-                                  <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
-                                  <node concept="2YIFZM" id="6i42QSss4Co" role="37wK5m">
-                                    <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
-                                    <ref role="37wK5l" to="hano:5X1yxJHYPm2" resolve="FAIL" />
+                                  <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
+                                  <node concept="2YIFZM" id="7TC1Xcd$6oU" role="37wK5m">
+                                    <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
+                                    <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                                     <node concept="2ShNRf" id="5X1yxJI1n_b" role="37wK5m">
                                       <node concept="1pGfFk" id="5X1yxJI1n_c" role="2ShVmc">
                                         <ref role="37wK5l" to="i348:5X1yxJHUoaR" resolve="TemplateApplicationException" />
@@ -7003,7 +7004,7 @@
                       <ref role="3cqZAo" node="2gw7OvgBDWU" resolve="apply_result" />
                     </node>
                     <node concept="liA8E" id="6i42QSsrFxK" role="2OqNvi">
-                      <ref role="37wK5l" to="hano:7Oc59RS_hsj" resolve="isSuccessful" />
+                      <ref role="37wK5l" to="psoy:7Oc59RS_hsj" resolve="isSuccessful" />
                     </node>
                   </node>
                 </node>
@@ -7015,7 +7016,7 @@
                         <ref role="3cqZAo" node="6i42QSsrVMO" resolve="result" />
                       </node>
                       <node concept="liA8E" id="6i42QSss0Nd" role="2OqNvi">
-                        <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                        <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                         <node concept="37vLTw" id="2gw7OvgBDWZ" role="37wK5m">
                           <ref role="3cqZAo" node="2gw7OvgBDWU" resolve="apply_result" />
                         </node>
@@ -7098,7 +7099,7 @@
       </node>
       <node concept="1LlUBW" id="6i42QSss8Ot" role="3clF45">
         <node concept="3uibUv" id="6i42QSssbTx" role="1Lm7xW">
-          <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+          <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
         </node>
         <node concept="3vKaQO" id="tIwzd1JBnD" role="1Lm7xW">
           <node concept="3Tqbb2" id="tIwzd1JBnF" role="3O5elw" />
@@ -7109,7 +7110,7 @@
     <node concept="3clFb_" id="6OXbTDy1oEg" role="jymVt">
       <property role="TrG5h" value="applyQueryTemplates" />
       <node concept="3uibUv" id="6OXbTDyaHuW" role="3clF45">
-        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="3Tm6S6" id="6OXbTDy1oEj" role="1B3o_S" />
       <node concept="3clFbS" id="6OXbTDy1oEk" role="3clF47">
@@ -7117,11 +7118,11 @@
           <node concept="3cpWsn" id="6OXbTDyef8r" role="3cpWs9">
             <property role="TrG5h" value="result" />
             <node concept="3uibUv" id="6OXbTDyef8s" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
-            <node concept="2YIFZM" id="6OXbTDyef8t" role="33vP2m">
-              <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
-              <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+            <node concept="2YIFZM" id="7TC1Xcd$6oK" role="33vP2m">
+              <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
           </node>
         </node>
@@ -7133,7 +7134,7 @@
                 <property role="TrG5h" value="result_builders" />
                 <node concept="1LlUBW" id="6OXbTDydyMo" role="1tU5fm">
                   <node concept="3uibUv" id="6OXbTDydyMz" role="1Lm7xW">
-                    <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                    <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                   </node>
                   <node concept="A3Dl8" id="6OXbTDydyMx" role="1Lm7xW">
                     <node concept="3uibUv" id="6OXbTDydyMy" role="A3Ik2">
@@ -7405,10 +7406,10 @@
                               <ref role="3cqZAo" node="6OXbTDyef8r" resolve="result" />
                             </node>
                             <node concept="liA8E" id="6OXbTDydY2r" role="2OqNvi">
-                              <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
-                              <node concept="2YIFZM" id="6OXbTDydY2s" role="37wK5m">
-                                <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
-                                <ref role="37wK5l" to="hano:5X1yxJHYPm2" resolve="FAIL" />
+                              <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
+                              <node concept="2YIFZM" id="7TC1Xcd$6oV" role="37wK5m">
+                                <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
+                                <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                                 <node concept="2ShNRf" id="5X1yxJI1zs_" role="37wK5m">
                                   <node concept="1pGfFk" id="5X1yxJI1zsA" role="2ShVmc">
                                     <ref role="37wK5l" to="i348:5X1yxJHUoaR" resolve="TemplateApplicationException" />
@@ -7473,7 +7474,7 @@
                   </node>
                 </node>
                 <node concept="liA8E" id="6OXbTDye0IL" role="2OqNvi">
-                  <ref role="37wK5l" to="hano:7Oc59RS_hsj" resolve="isSuccessful" />
+                  <ref role="37wK5l" to="psoy:7Oc59RS_hsj" resolve="isSuccessful" />
                 </node>
               </node>
               <node concept="9aQIb" id="2BZXJed1UiI" role="9aQIa">
@@ -7485,7 +7486,7 @@
                           <ref role="3cqZAo" node="6OXbTDyef8r" resolve="result" />
                         </node>
                         <node concept="liA8E" id="2BZXJed1We4" role="2OqNvi">
-                          <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                          <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                           <node concept="1LFfDK" id="2BZXJed1X2p" role="37wK5m">
                             <node concept="3cmrfG" id="2BZXJed1Xfp" role="1LF_Uc">
                               <property role="3cmrfH" value="0" />
@@ -7720,7 +7721,7 @@
               <property role="TrG5h" value="res2reqd" />
               <node concept="1LlUBW" id="6i42QSssRXK" role="1tU5fm">
                 <node concept="3uibUv" id="6i42QSssRXT" role="1Lm7xW">
-                  <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                  <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                 </node>
                 <node concept="3vKaQO" id="6i42QSssRXU" role="1Lm7xW">
                   <node concept="3Tqbb2" id="6i42QSssRXV" role="3O5elw" />
@@ -7853,7 +7854,7 @@
                   </node>
                 </node>
                 <node concept="liA8E" id="4MqhgXU_oyu" role="2OqNvi">
-                  <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                  <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                   <node concept="2OqwBi" id="4MqhgXU_oWF" role="37wK5m">
                     <node concept="37vLTw" id="4MqhgXU_oPW" role="2Oq$k0">
                       <ref role="3cqZAo" node="tIwzd1IJm8" resolve="b" />
@@ -8132,9 +8133,9 @@
         <node concept="3clFbS" id="4MqhgXU_6Br" role="3clF47">
           <node concept="3clFbF" id="4MqhgXU_6Q4" role="3cqZAp">
             <node concept="37vLTI" id="4MqhgXU_7co" role="3clFbG">
-              <node concept="2YIFZM" id="4MqhgXU_7NE" role="37vLTx">
-                <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
-                <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
+              <node concept="2YIFZM" id="7TC1Xcd$6oL" role="37vLTx">
+                <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+                <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
               </node>
               <node concept="2OqwBi" id="4MqhgXU_6Vu" role="37vLTJ">
                 <node concept="Xjq3P" id="4MqhgXU_6Q3" role="2Oq$k0" />
@@ -8181,7 +8182,7 @@
         <node concept="37vLTG" id="4MqhgXU_ypL" role="3clF46">
           <property role="TrG5h" value="result" />
           <node concept="3uibUv" id="4MqhgXU_yqB" role="1tU5fm">
-            <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+            <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
           </node>
         </node>
         <node concept="37vLTG" id="4MqhgXU_yxm" role="3clF46">
@@ -8245,7 +8246,7 @@
         <property role="TrG5h" value="result" />
         <node concept="3Tm6S6" id="4MqhgXU_0W$" role="1B3o_S" />
         <node concept="3uibUv" id="4MqhgXU_11X" role="1tU5fm">
-          <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+          <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
         </node>
       </node>
       <node concept="312cEg" id="4MqhgXU_1ti" role="jymVt">
@@ -10042,7 +10043,7 @@
         </node>
       </node>
       <node concept="3uibUv" id="2Z9ItkdcX5u" role="3clF45">
-        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
       <node concept="3Tm1VV" id="4MqhgXUQoOO" role="1B3o_S" />
       <node concept="3clFbS" id="4MqhgXUQoOP" role="3clF47">
@@ -10051,11 +10052,11 @@
           <node concept="3cpWsn" id="2Z9ItkdcHIn" role="3cpWs9">
             <property role="TrG5h" value="res" />
             <node concept="3uibUv" id="2Z9ItkdcHIo" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
-            <node concept="2YIFZM" id="2Z9ItkdcHYV" role="33vP2m">
-              <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
-              <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+            <node concept="2YIFZM" id="7TC1Xcd$6oM" role="33vP2m">
+              <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
           </node>
         </node>
@@ -10189,10 +10190,10 @@
                           <ref role="3cqZAo" node="2Z9ItkdcHIn" resolve="res" />
                         </node>
                         <node concept="liA8E" id="2Z9ItkdcTTy" role="2OqNvi">
-                          <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
-                          <node concept="2YIFZM" id="2Z9ItkdcU35" role="37wK5m">
-                            <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
-                            <ref role="37wK5l" to="hano:5X1yxJHYTYX" resolve="RECOVER" />
+                          <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
+                          <node concept="2YIFZM" id="7TC1Xcd$6oY" role="37wK5m">
+                            <ref role="37wK5l" to="psoy:5X1yxJHYTYX" resolve="RECOVER" />
+                            <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                             <node concept="37vLTw" id="2Z9ItkdcUuG" role="37wK5m">
                               <ref role="3cqZAo" node="2Z9ItkdaP95" resolve="e" />
                             </node>
diff --git a/coderules/solutions/jetbrains.mps.coderules.build/models/jetbrains.mps.coderules.build.mps b/coderules/solutions/jetbrains.mps.coderules.build/models/jetbrains.mps.coderules.build.mps
index fe6a5905..8e46e099 100644
--- a/coderules/solutions/jetbrains.mps.coderules.build/models/jetbrains.mps.coderules.build.mps
+++ b/coderules/solutions/jetbrains.mps.coderules.build/models/jetbrains.mps.coderules.build.mps
@@ -1712,6 +1712,11 @@
             </node>
           </node>
         </node>
+        <node concept="1SiIV0" id="7TC1Xcd_mmV" role="3bR37C">
+          <node concept="3bR9La" id="7TC1Xcd_mmW" role="1SiIV1">
+            <ref role="3bR37D" node="5wYq9r5EBDN" resolve="jetbrains.mps.coderules.runtime" />
+          </node>
+        </node>
       </node>
     </node>
     <node concept="2G$12M" id="78H58oeeFzd" role="3989C9">
diff --git a/coderules/solutions/jetbrains.mps.coderules.runtime/jetbrains.mps.coderules.runtime.msd b/coderules/solutions/jetbrains.mps.coderules.runtime/jetbrains.mps.coderules.runtime.msd
index 0ea81900..6847c45e 100644
--- a/coderules/solutions/jetbrains.mps.coderules.runtime/jetbrains.mps.coderules.runtime.msd
+++ b/coderules/solutions/jetbrains.mps.coderules.runtime/jetbrains.mps.coderules.runtime.msd
@@ -17,6 +17,9 @@
   </dependencies>
   <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:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:9ded098b-ad6a-4657-bfd9-48636cfe8bc3:jetbrains.mps.lang.traceable" version="0" />
   </languageVersions>
diff --git a/coderules/solutions/jetbrains.mps.coderules.runtime/models/jetbrains.mps.coderules.runtime.result.mps b/coderules/solutions/jetbrains.mps.coderules.runtime/models/jetbrains.mps.coderules.runtime.result.mps
new file mode 100644
index 00000000..617a4540
--- /dev/null
+++ b/coderules/solutions/jetbrains.mps.coderules.runtime/models/jetbrains.mps.coderules.runtime.result.mps
@@ -0,0 +1,923 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:78313117-90ee-47a5-a91e-b5213df7f611(jetbrains.mps.coderules.runtime.result)">
+  <persistence version="9" />
+  <languages>
+    <use id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage" version="11" />
+    <use id="83888646-71ce-4f1c-9c53-c54016f6ad4f" name="jetbrains.mps.baseLanguage.collections" version="1" />
+    <use id="f2801650-65d5-424e-bb1b-463a8781b786" name="jetbrains.mps.baseLanguage.javadoc" version="2" />
+  </languages>
+  <imports>
+    <import index="wyt6" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.lang(JDK/)" />
+    <import index="33ny" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util(JDK/)" />
+  </imports>
+  <registry>
+    <language id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage">
+      <concept id="1219920932475" name="jetbrains.mps.baseLanguage.structure.VariableArityType" flags="in" index="8X2XB">
+        <child id="1219921048460" name="componentType" index="8Xvag" />
+      </concept>
+      <concept id="1215693861676" name="jetbrains.mps.baseLanguage.structure.BaseAssignmentExpression" flags="nn" index="d038R">
+        <child id="1068498886297" name="rValue" index="37vLTx" />
+        <child id="1068498886295" name="lValue" index="37vLTJ" />
+      </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="1188207840427" name="jetbrains.mps.baseLanguage.structure.AnnotationInstance" flags="nn" index="2AHcQZ">
+        <reference id="1188208074048" name="annotation" index="2AI5Lk" />
+      </concept>
+      <concept id="1188208481402" name="jetbrains.mps.baseLanguage.structure.HasAnnotation" flags="ng" index="2AJDlI">
+        <child id="1188208488637" name="annotation" index="2AJF6D" />
+      </concept>
+      <concept id="2820489544401957797" name="jetbrains.mps.baseLanguage.structure.DefaultClassCreator" flags="nn" index="HV5vD">
+        <reference id="2820489544401957798" name="classifier" index="HV5vE" />
+      </concept>
+      <concept id="1154032098014" name="jetbrains.mps.baseLanguage.structure.AbstractLoopStatement" flags="nn" index="2LF5Ji">
+        <child id="1154032183016" name="body" index="2LFqv$" />
+      </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="1197029447546" name="jetbrains.mps.baseLanguage.structure.FieldReferenceOperation" flags="nn" index="2OwXpG">
+        <reference id="1197029500499" name="fieldDeclaration" index="2Oxat5" />
+      </concept>
+      <concept id="1145552977093" name="jetbrains.mps.baseLanguage.structure.GenericNewExpression" flags="nn" index="2ShNRf">
+        <child id="1145553007750" name="creator" index="2ShVmc" />
+      </concept>
+      <concept id="1070462154015" name="jetbrains.mps.baseLanguage.structure.StaticFieldDeclaration" flags="ig" index="Wx3nA" />
+      <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" />
+      </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>
+      <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="1068390468200" name="jetbrains.mps.baseLanguage.structure.FieldDeclaration" flags="ig" index="312cEg" />
+      <concept id="1068390468198" name="jetbrains.mps.baseLanguage.structure.ClassConcept" flags="ig" index="312cEu">
+        <property id="1075300953594" name="abstractClass" index="1sVAO0" />
+        <child id="1165602531693" name="superclass" index="1zkMxy" />
+      </concept>
+      <concept id="1068431474542" name="jetbrains.mps.baseLanguage.structure.VariableDeclaration" flags="ng" index="33uBYm">
+        <child id="1068431790190" name="initializer" index="33vP2m" />
+      </concept>
+      <concept id="1068498886296" name="jetbrains.mps.baseLanguage.structure.VariableReference" flags="nn" index="37vLTw">
+        <reference id="1068581517664" name="variableDeclaration" index="3cqZAo" />
+      </concept>
+      <concept id="1068498886292" name="jetbrains.mps.baseLanguage.structure.ParameterDeclaration" flags="ir" index="37vLTG" />
+      <concept id="1068498886294" name="jetbrains.mps.baseLanguage.structure.AssignmentExpression" flags="nn" index="37vLTI" />
+      <concept id="1225271177708" name="jetbrains.mps.baseLanguage.structure.StringType" flags="in" index="17QB3L" />
+      <concept id="4972933694980447171" name="jetbrains.mps.baseLanguage.structure.BaseVariableDeclaration" flags="ng" index="19Szcq">
+        <child id="5680397130376446158" name="type" index="1tU5fm" />
+      </concept>
+      <concept id="1068580123132" name="jetbrains.mps.baseLanguage.structure.BaseMethodDeclaration" flags="ng" index="3clF44">
+        <property id="1181808852946" name="isFinal" index="DiZV1" />
+        <child id="1068580123133" name="returnType" index="3clF45" />
+        <child id="1068580123134" name="parameter" index="3clF46" />
+        <child id="1068580123135" name="body" index="3clF47" />
+      </concept>
+      <concept id="1068580123165" name="jetbrains.mps.baseLanguage.structure.InstanceMethodDeclaration" flags="ig" index="3clFb_">
+        <property id="1178608670077" name="isAbstract" index="1EzhhJ" />
+      </concept>
+      <concept id="1068580123155" name="jetbrains.mps.baseLanguage.structure.ExpressionStatement" flags="nn" index="3clFbF">
+        <child id="1068580123156" name="expression" index="3clFbG" />
+      </concept>
+      <concept id="1068580123136" name="jetbrains.mps.baseLanguage.structure.StatementList" flags="sn" stub="5293379017992965193" index="3clFbS">
+        <child id="1068581517665" name="statement" index="3cqZAp" />
+      </concept>
+      <concept id="1068580123137" name="jetbrains.mps.baseLanguage.structure.BooleanConstant" flags="nn" index="3clFbT">
+        <property id="1068580123138" name="value" index="3clFbU" />
+      </concept>
+      <concept id="1068580123140" name="jetbrains.mps.baseLanguage.structure.ConstructorDeclaration" flags="ig" index="3clFbW" />
+      <concept id="1068581242875" name="jetbrains.mps.baseLanguage.structure.PlusExpression" flags="nn" index="3cpWs3" />
+      <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="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" />
+        <child id="4972241301747169160" name="typeArgument" index="3PaCim" />
+      </concept>
+      <concept id="1212685548494" name="jetbrains.mps.baseLanguage.structure.ClassCreator" flags="nn" index="1pGfFk" />
+      <concept id="1107461130800" name="jetbrains.mps.baseLanguage.structure.Classifier" flags="ng" index="3pOWGL">
+        <property id="521412098689998745" name="nonStatic" index="2bfB8j" />
+        <child id="5375687026011219971" name="member" index="jymVt" unordered="true" />
+      </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" />
+      </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="1144226303539" name="jetbrains.mps.baseLanguage.structure.ForeachStatement" flags="nn" index="1DcWWT">
+        <child id="1144226360166" name="iterable" index="1DdaDG" />
+      </concept>
+      <concept id="1144230876926" name="jetbrains.mps.baseLanguage.structure.AbstractForStatement" flags="nn" index="1DupvO">
+        <child id="1144230900587" name="variable" index="1Duv9x" />
+      </concept>
+      <concept id="1163668896201" name="jetbrains.mps.baseLanguage.structure.TernaryOperatorExpression" flags="nn" index="3K4zz7">
+        <child id="1163668914799" name="condition" index="3K4Cdx" />
+        <child id="1163668922816" name="ifTrue" index="3K4E3e" />
+        <child id="1163668934364" name="ifFalse" index="3K4GZi" />
+      </concept>
+      <concept id="1146644602865" name="jetbrains.mps.baseLanguage.structure.PublicVisibility" flags="nn" index="3Tm1VV" />
+      <concept id="1146644623116" name="jetbrains.mps.baseLanguage.structure.PrivateVisibility" flags="nn" index="3Tm6S6" />
+    </language>
+    <language id="f2801650-65d5-424e-bb1b-463a8781b786" name="jetbrains.mps.baseLanguage.javadoc">
+      <concept id="5349172909345501395" name="jetbrains.mps.baseLanguage.javadoc.structure.BaseDocComment" flags="ng" index="P$AiS">
+        <child id="8465538089690331502" name="body" index="TZ5H$" />
+      </concept>
+      <concept id="5349172909345532724" name="jetbrains.mps.baseLanguage.javadoc.structure.MethodDocComment" flags="ng" index="P$JXv" />
+      <concept id="8465538089690331500" name="jetbrains.mps.baseLanguage.javadoc.structure.CommentLine" flags="ng" index="TZ5HA">
+        <child id="8970989240999019149" name="part" index="1dT_Ay" />
+      </concept>
+      <concept id="8970989240999019143" name="jetbrains.mps.baseLanguage.javadoc.structure.TextCommentLinePart" flags="ng" index="1dT_AC">
+        <property id="8970989240999019144" name="text" index="1dT_AB" />
+      </concept>
+    </language>
+    <language id="ceab5195-25ea-4f22-9b92-103b95ca8c0c" name="jetbrains.mps.lang.core">
+      <concept id="1133920641626" name="jetbrains.mps.lang.core.structure.BaseConcept" flags="ng" index="2VYdi">
+        <child id="5169995583184591170" name="smodelAttribute" index="lGtFl" />
+      </concept>
+      <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="83888646-71ce-4f1c-9c53-c54016f6ad4f" name="jetbrains.mps.baseLanguage.collections">
+      <concept id="540871147943773365" name="jetbrains.mps.baseLanguage.collections.structure.SingleArgumentSequenceOperation" flags="nn" index="25WWJ4">
+        <child id="540871147943773366" name="argument" index="25WWJ7" />
+      </concept>
+      <concept id="2526372162255441536" name="jetbrains.mps.baseLanguage.collections.structure.AsUnmodifiableOperation" flags="nn" index="26Dbio" />
+      <concept id="1151688443754" name="jetbrains.mps.baseLanguage.collections.structure.ListType" flags="in" index="_YKpA">
+        <child id="1151688676805" name="elementType" index="_ZDj9" />
+      </concept>
+      <concept id="1237721394592" name="jetbrains.mps.baseLanguage.collections.structure.AbstractContainerCreator" flags="nn" index="HWqM0">
+        <child id="1237721435808" name="initValue" index="HW$Y0" />
+        <child id="1237721435807" name="elementType" index="HW$YZ" />
+      </concept>
+      <concept id="1160600644654" name="jetbrains.mps.baseLanguage.collections.structure.ListCreatorWithInit" flags="nn" index="Tc6Ow" />
+      <concept id="1160666733551" name="jetbrains.mps.baseLanguage.collections.structure.AddAllElementsOperation" flags="nn" index="X8dFx" />
+      <concept id="1162935959151" name="jetbrains.mps.baseLanguage.collections.structure.GetSizeOperation" flags="nn" index="34oBXx" />
+      <concept id="1165525191778" name="jetbrains.mps.baseLanguage.collections.structure.GetFirstOperation" flags="nn" index="1uHKPH" />
+      <concept id="7125221305512719026" name="jetbrains.mps.baseLanguage.collections.structure.CollectionType" flags="in" index="3vKaQO" />
+      <concept id="5686963296372573083" name="jetbrains.mps.baseLanguage.collections.structure.AbstractContainerType" flags="in" index="3O5elB">
+        <child id="5686963296372573084" name="elementType" index="3O5elw" />
+      </concept>
+    </language>
+  </registry>
+  <node concept="312cEu" id="7Oc59RSEjdb">
+    <property role="TrG5h" value="Result" />
+    <property role="1sVAO0" value="true" />
+    <node concept="2tJIrI" id="7Oc59RSEmi9" role="jymVt" />
+    <node concept="2YIFZL" id="7Oc59RSEjeq" role="jymVt">
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+      <node concept="3uibUv" id="7Oc59RSEjeG" role="3clF45">
+        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+      </node>
+      <node concept="3Tm1VV" id="7Oc59RSEjet" role="1B3o_S" />
+      <node concept="3clFbS" id="7Oc59RSEjeu" role="3clF47">
+        <node concept="3clFbF" id="7Oc59RSEm38" role="3cqZAp">
+          <node concept="37vLTw" id="7Oc59RSEme7" role="3clFbG">
+            <ref role="3cqZAo" node="7Oc59RSEmdT" resolve="OK_RESULT" />
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="2tJIrI" id="2Z9Itkdc8bL" role="jymVt" />
+    <node concept="2YIFZL" id="5X1yxJHYPm2" role="jymVt">
+      <property role="TrG5h" value="FAIL" />
+      <node concept="37vLTG" id="5X1yxJHYPm5" role="3clF46">
+        <property role="TrG5h" value="cause" />
+        <node concept="3uibUv" id="5X1yxJHYPm6" role="1tU5fm">
+          <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+        </node>
+      </node>
+      <node concept="3uibUv" id="5X1yxJHYPm7" role="3clF45">
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+          <node concept="2ShNRf" id="5X1yxJHYPmb" role="3clFbG">
+            <node concept="1pGfFk" id="5X1yxJHYPmc" role="2ShVmc">
+              <ref role="37wK5l" node="5X1yxJI5ga4" resolve="Result.FAILURE" />
+              <node concept="37vLTw" id="5X1yxJHYPmg" role="37wK5m">
+                <ref role="3cqZAo" node="5X1yxJHYPm5" resolve="cause" />
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+          </node>
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+    </node>
+    <node concept="2tJIrI" id="5X1yxJHYPm1" role="jymVt" />
+    <node concept="2YIFZL" id="5X1yxJHYTYX" role="jymVt">
+      <property role="TrG5h" value="RECOVER" />
+      <node concept="37vLTG" id="5X1yxJHYTZ0" role="3clF46">
+        <property role="TrG5h" value="cause" />
+        <node concept="3uibUv" id="5X1yxJHYTZ1" role="1tU5fm">
+          <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+        </node>
+      </node>
+      <node concept="3uibUv" id="5X1yxJHYTZ2" role="3clF45">
+        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
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+      <node concept="3Tm1VV" id="5X1yxJHYTZ3" role="1B3o_S" />
+      <node concept="3clFbS" id="5X1yxJHYTZ4" role="3clF47">
+        <node concept="3clFbF" id="5X1yxJHYTZ5" role="3cqZAp">
+          <node concept="2ShNRf" id="5X1yxJHYTZ6" role="3clFbG">
+            <node concept="1pGfFk" id="5X1yxJHYTZ7" role="2ShVmc">
+              <ref role="37wK5l" node="5X1yxJI5jQf" resolve="Result.RECOVERED" />
+              <node concept="37vLTw" id="5X1yxJI5maE" role="37wK5m">
+                <ref role="3cqZAo" node="5X1yxJHYTZ0" resolve="cause" />
+              </node>
+            </node>
+          </node>
+        </node>
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+    <node concept="2tJIrI" id="5X1yxJHYTYW" role="jymVt" />
+    <node concept="Wx3nA" id="7Oc59RSEmdT" role="jymVt">
+      <property role="TrG5h" value="OK_RESULT" />
+      <node concept="3Tm6S6" id="7Oc59RSEmdS" role="1B3o_S" />
+      <node concept="3uibUv" id="7Oc59RSEmdH" role="1tU5fm">
+        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+      </node>
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+        <node concept="HV5vD" id="7Oc59RSJqoK" role="2ShVmc">
+          <ref role="HV5vE" node="7Oc59RSJo_6" resolve="Result.OK" />
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+    </node>
+    <node concept="2tJIrI" id="7Oc59RSEp6D" role="jymVt" />
+    <node concept="3clFb_" id="7Oc59RS_hsj" role="jymVt">
+      <property role="TrG5h" value="isSuccessful" />
+      <property role="1EzhhJ" value="true" />
+      <node concept="10P_77" id="7Oc59RS_hKI" role="3clF45" />
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+      <node concept="3clFbS" id="7Oc59RS_hsn" role="3clF47" />
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+    <node concept="3clFb_" id="2gw7OvgCNSM" role="jymVt">
+      <property role="TrG5h" value="hasErrors" />
+      <property role="1EzhhJ" value="true" />
+      <node concept="10P_77" id="2gw7OvgCPE8" role="3clF45" />
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+                <node concept="1pGfFk" id="5X1yxJI535t" role="2ShVmc">
+                  <ref role="37wK5l" node="7nkyKX7va7j" resolve="Result.FAILURE" />
+                  <node concept="37vLTw" id="5X1yxJI53d9" role="37wK5m">
+                    <ref role="3cqZAo" node="2Z9ItkdbLKb" resolve="that" />
+                  </node>
+                  <node concept="Xjq3P" id="5X1yxJI53ly" role="37wK5m" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="2AHcQZ" id="2gw7OvgCWOD" role="2AJF6D">
+          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+        </node>
+      </node>
+      <node concept="2tJIrI" id="2Z9ItkdbLKq" role="jymVt" />
+      <node concept="3clFb_" id="5X1yxJI4274" role="jymVt">
+        <property role="TrG5h" value="cause" />
+        <node concept="3uibUv" id="5X1yxJI4275" role="3clF45">
+          <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+        </node>
+        <node concept="3Tm1VV" id="5X1yxJI4276" role="1B3o_S" />
+        <node concept="3clFbS" id="5X1yxJI4278" role="3clF47">
+          <node concept="3clFbF" id="5X1yxJI4kdp" role="3cqZAp">
+            <node concept="2OqwBi" id="5X1yxJI4yk4" role="3clFbG">
+              <node concept="37vLTw" id="5X1yxJI4kdo" role="2Oq$k0">
+                <ref role="3cqZAo" node="5X1yxJI4hRY" resolve="causes" />
+              </node>
+              <node concept="1uHKPH" id="5X1yxJI4yZw" role="2OqNvi" />
+            </node>
+          </node>
+        </node>
+        <node concept="2AHcQZ" id="5X1yxJI4279" role="2AJF6D">
+          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+        </node>
+      </node>
+      <node concept="2tJIrI" id="5X1yxJI44fH" role="jymVt" />
+      <node concept="3clFb_" id="5X1yxJI427c" role="jymVt">
+        <property role="TrG5h" value="allCauses" />
+        <node concept="3vKaQO" id="5X1yxJI427d" role="3clF45">
+          <node concept="3uibUv" id="5X1yxJI427e" role="3O5elw">
+            <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+          </node>
+        </node>
+        <node concept="3Tm1VV" id="5X1yxJI427f" role="1B3o_S" />
+        <node concept="3clFbS" id="5X1yxJI427h" role="3clF47">
+          <node concept="3clFbF" id="5X1yxJI4klE" role="3cqZAp">
+            <node concept="2OqwBi" id="5X1yxJI4zRf" role="3clFbG">
+              <node concept="37vLTw" id="5X1yxJI4krp" role="2Oq$k0">
+                <ref role="3cqZAo" node="5X1yxJI4hRY" resolve="causes" />
+              </node>
+              <node concept="26Dbio" id="5X1yxJI4$zI" role="2OqNvi" />
+            </node>
+          </node>
+        </node>
+        <node concept="2AHcQZ" id="5X1yxJI427i" role="2AJF6D">
+          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+        </node>
+      </node>
+      <node concept="2tJIrI" id="2Z9ItkdbLKz" role="jymVt" />
+      <node concept="3Tm6S6" id="2Z9ItkdbLKZ" role="1B3o_S" />
+      <node concept="3uibUv" id="2Z9ItkdbLL0" role="1zkMxy">
+        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+      </node>
+      <node concept="312cEg" id="5X1yxJI4hRY" role="jymVt">
+        <property role="TrG5h" value="causes" />
+        <node concept="3Tm6S6" id="5X1yxJI4hRZ" role="1B3o_S" />
+        <node concept="_YKpA" id="5X1yxJI4vN0" role="1tU5fm">
+          <node concept="3uibUv" id="5X1yxJI4vN1" role="_ZDj9">
+            <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="2tJIrI" id="2Z9ItkdbKaB" role="jymVt" />
+    <node concept="2tJIrI" id="7Oc59RSJnVk" role="jymVt" />
+    <node concept="312cEu" id="7Oc59RSEjfX" role="jymVt">
+      <property role="2bfB8j" value="false" />
+      <property role="TrG5h" value="FAILURE" />
+      <node concept="2tJIrI" id="6i42QSslEtg" role="jymVt" />
+      <node concept="3clFbW" id="7nkyKX7va7j" role="jymVt">
+        <node concept="37vLTG" id="7nkyKX7vbud" role="3clF46">
+          <property role="TrG5h" value="results" />
+          <node concept="8X2XB" id="7nkyKX7vc2Y" role="1tU5fm">
+            <node concept="3uibUv" id="7nkyKX7vbNQ" role="8Xvag">
+              <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+            </node>
+          </node>
+        </node>
+        <node concept="3cqZAl" id="7nkyKX7va7n" role="3clF45" />
+        <node concept="3Tm6S6" id="6i42QSslCid" role="1B3o_S" />
+        <node concept="3clFbS" id="7nkyKX7va7p" role="3clF47">
+          <node concept="3clFbF" id="5X1yxJI59DM" role="3cqZAp">
+            <node concept="37vLTI" id="5X1yxJI59DN" role="3clFbG">
+              <node concept="2ShNRf" id="5X1yxJI59DO" role="37vLTx">
+                <node concept="Tc6Ow" id="5X1yxJI59DP" role="2ShVmc">
+                  <node concept="3uibUv" id="5X1yxJI59DQ" role="HW$YZ">
+                    <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+                  </node>
+                </node>
+              </node>
+              <node concept="2OqwBi" id="5X1yxJI59DR" role="37vLTJ">
+                <node concept="Xjq3P" id="5X1yxJI59DS" role="2Oq$k0" />
+                <node concept="2OwXpG" id="5X1yxJI59DT" role="2OqNvi">
+                  <ref role="2Oxat5" node="5X1yxJI4_LQ" resolve="causes" />
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="1DcWWT" id="5X1yxJI59DW" role="3cqZAp">
+            <node concept="3clFbS" id="5X1yxJI59DX" role="2LFqv$">
+              <node concept="3clFbF" id="5X1yxJI59DY" role="3cqZAp">
+                <node concept="2OqwBi" id="5X1yxJI59DZ" role="3clFbG">
+                  <node concept="37vLTw" id="5X1yxJI59E0" role="2Oq$k0">
+                    <ref role="3cqZAo" node="5X1yxJI4_LQ" resolve="causes" />
+                  </node>
+                  <node concept="X8dFx" id="5X1yxJI59E1" role="2OqNvi">
+                    <node concept="2OqwBi" id="5X1yxJI59E2" role="25WWJ7">
+                      <node concept="37vLTw" id="5X1yxJI59E3" role="2Oq$k0">
+                        <ref role="3cqZAo" node="5X1yxJI59E5" resolve="r" />
+                      </node>
+                      <node concept="liA8E" id="5X1yxJI59E4" role="2OqNvi">
+                        <ref role="37wK5l" node="5X1yxJI3E6N" resolve="allCauses" />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3cpWsn" id="5X1yxJI59E5" role="1Duv9x">
+              <property role="TrG5h" value="r" />
+              <node concept="3uibUv" id="5X1yxJI59E6" role="1tU5fm">
+                <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+              </node>
+            </node>
+            <node concept="37vLTw" id="5X1yxJI59E7" role="1DdaDG">
+              <ref role="3cqZAo" node="7nkyKX7vbud" resolve="results" />
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="2tJIrI" id="5X1yxJI5ea1" role="jymVt" />
+      <node concept="3clFbW" id="5X1yxJI5ga4" role="jymVt">
+        <node concept="3cqZAl" id="5X1yxJI5ga6" role="3clF45" />
+        <node concept="3Tm6S6" id="5X1yxJI5ga7" role="1B3o_S" />
+        <node concept="3clFbS" id="5X1yxJI5ga8" role="3clF47">
+          <node concept="3clFbF" id="5X1yxJI5hDI" role="3cqZAp">
+            <node concept="37vLTI" id="5X1yxJI5i_G" role="3clFbG">
+              <node concept="2ShNRf" id="5X1yxJI5iM6" role="37vLTx">
+                <node concept="Tc6Ow" id="5X1yxJI5iLC" role="2ShVmc">
+                  <node concept="3uibUv" id="5X1yxJI5iLD" role="HW$YZ">
+                    <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+                  </node>
+                  <node concept="37vLTw" id="5X1yxJI5jOG" role="HW$Y0">
+                    <ref role="3cqZAo" node="5X1yxJI5gPg" resolve="cause" />
+                  </node>
+                </node>
+              </node>
+              <node concept="2OqwBi" id="5X1yxJI5hI0" role="37vLTJ">
+                <node concept="Xjq3P" id="5X1yxJI5hDH" role="2Oq$k0" />
+                <node concept="2OwXpG" id="5X1yxJI5hLz" role="2OqNvi">
+                  <ref role="2Oxat5" node="5X1yxJI4_LQ" resolve="causes" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="37vLTG" id="5X1yxJI5gPg" role="3clF46">
+          <property role="TrG5h" value="cause" />
+          <node concept="3uibUv" id="5X1yxJI5gPf" role="1tU5fm">
+            <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+          </node>
+        </node>
+      </node>
+      <node concept="2tJIrI" id="7Oc59RSElZe" role="jymVt" />
+      <node concept="3clFb_" id="7Oc59RSElUY" role="jymVt">
+        <property role="TrG5h" value="isSuccessful" />
+        <property role="1EzhhJ" value="false" />
+        <node concept="10P_77" id="7Oc59RSElUZ" role="3clF45" />
+        <node concept="3Tm1VV" id="7Oc59RSElV0" role="1B3o_S" />
+        <node concept="3clFbS" id="7Oc59RSElV2" role="3clF47">
+          <node concept="3clFbF" id="7Oc59RSElV4" role="3cqZAp">
+            <node concept="3clFbT" id="7Oc59RSElV3" role="3clFbG" />
+          </node>
+        </node>
+        <node concept="2AHcQZ" id="2gw7OvgCZV4" role="2AJF6D">
+          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+        </node>
+      </node>
+      <node concept="2tJIrI" id="2gw7OvgCZtw" role="jymVt" />
+      <node concept="3clFb_" id="2gw7OvgCYG$" role="jymVt">
+        <property role="TrG5h" value="hasErrors" />
+        <node concept="10P_77" id="2gw7OvgCYG_" role="3clF45" />
+        <node concept="3Tm1VV" id="2gw7OvgCYGA" role="1B3o_S" />
+        <node concept="3clFbS" id="2gw7OvgCYGC" role="3clF47">
+          <node concept="3clFbF" id="2gw7OvgCZTQ" role="3cqZAp">
+            <node concept="3clFbT" id="2gw7OvgCZTP" role="3clFbG">
+              <property role="3clFbU" value="true" />
+            </node>
+          </node>
+        </node>
+        <node concept="2AHcQZ" id="2gw7OvgCYGD" role="2AJF6D">
+          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+        </node>
+      </node>
+      <node concept="2tJIrI" id="7Oc59RSElXP" role="jymVt" />
+      <node concept="3clFb_" id="7nkyKX7v9C7" role="jymVt">
+        <property role="TrG5h" value="and" />
+        <property role="1EzhhJ" value="false" />
+        <node concept="37vLTG" id="7nkyKX7v9C8" role="3clF46">
+          <property role="TrG5h" value="that" />
+          <node concept="3uibUv" id="7nkyKX7v9C9" role="1tU5fm">
+            <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+          </node>
+        </node>
+        <node concept="3uibUv" id="7nkyKX7v9Ca" role="3clF45">
+          <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+        </node>
+        <node concept="3Tm1VV" id="7nkyKX7v9Cb" role="1B3o_S" />
+        <node concept="3clFbS" id="7nkyKX7v9Cd" role="3clF47">
+          <node concept="3clFbF" id="5X1yxJI53wu" role="3cqZAp">
+            <node concept="2ShNRf" id="5X1yxJI53ww" role="3clFbG">
+              <node concept="1pGfFk" id="5X1yxJI53wx" role="2ShVmc">
+                <ref role="37wK5l" node="7nkyKX7va7j" resolve="Result.FAILURE" />
+                <node concept="37vLTw" id="5X1yxJI53wz" role="37wK5m">
+                  <ref role="3cqZAo" node="7nkyKX7v9C8" resolve="that" />
+                </node>
+                <node concept="Xjq3P" id="5X1yxJI53wy" role="37wK5m" />
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="2tJIrI" id="7nkyKX7v9SU" role="jymVt" />
+      <node concept="3clFb_" id="5X1yxJI4Boi" role="jymVt">
+        <property role="TrG5h" value="cause" />
+        <node concept="3uibUv" id="5X1yxJI4Boj" role="3clF45">
+          <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+        </node>
+        <node concept="3Tm1VV" id="5X1yxJI4Bok" role="1B3o_S" />
+        <node concept="3clFbS" id="5X1yxJI4Bol" role="3clF47">
+          <node concept="3clFbF" id="5X1yxJI4Bom" role="3cqZAp">
+            <node concept="2OqwBi" id="5X1yxJI4Bon" role="3clFbG">
+              <node concept="37vLTw" id="5X1yxJI4Boo" role="2Oq$k0">
+                <ref role="3cqZAo" node="5X1yxJI4_LQ" resolve="causes" />
+              </node>
+              <node concept="1uHKPH" id="5X1yxJI4Bop" role="2OqNvi" />
+            </node>
+          </node>
+        </node>
+        <node concept="2AHcQZ" id="5X1yxJI4Boq" role="2AJF6D">
+          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+        </node>
+      </node>
+      <node concept="2tJIrI" id="5X1yxJI4Bor" role="jymVt" />
+      <node concept="3clFb_" id="5X1yxJI4Bos" role="jymVt">
+        <property role="TrG5h" value="allCauses" />
+        <node concept="3vKaQO" id="5X1yxJI4Bot" role="3clF45">
+          <node concept="3uibUv" id="5X1yxJI4Bou" role="3O5elw">
+            <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+          </node>
+        </node>
+        <node concept="3Tm1VV" id="5X1yxJI4Bov" role="1B3o_S" />
+        <node concept="3clFbS" id="5X1yxJI4Bow" role="3clF47">
+          <node concept="3clFbF" id="5X1yxJI4Box" role="3cqZAp">
+            <node concept="2OqwBi" id="5X1yxJI4Boy" role="3clFbG">
+              <node concept="37vLTw" id="5X1yxJI4Boz" role="2Oq$k0">
+                <ref role="3cqZAo" node="5X1yxJI4_LQ" resolve="causes" />
+              </node>
+              <node concept="26Dbio" id="5X1yxJI4Bo$" role="2OqNvi" />
+            </node>
+          </node>
+        </node>
+        <node concept="2AHcQZ" id="5X1yxJI4Bo_" role="2AJF6D">
+          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+        </node>
+      </node>
+      <node concept="2tJIrI" id="5X1yxJI4$BM" role="jymVt" />
+      <node concept="3Tm6S6" id="7Oc59RSJogG" role="1B3o_S" />
+      <node concept="3uibUv" id="7Oc59RSEjha" role="1zkMxy">
+        <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+      </node>
+      <node concept="312cEg" id="5X1yxJI4_LQ" role="jymVt">
+        <property role="TrG5h" value="causes" />
+        <node concept="3Tm6S6" id="5X1yxJI4_LR" role="1B3o_S" />
+        <node concept="_YKpA" id="5X1yxJI4_LS" role="1tU5fm">
+          <node concept="3uibUv" id="5X1yxJI4_LT" role="_ZDj9">
+            <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="2tJIrI" id="7Oc59RSEji1" role="jymVt" />
+    <node concept="3Tm1VV" id="7Oc59RSEjdc" role="1B3o_S" />
+  </node>
+</model>
+
diff --git a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/jetbrains.mps.coderules.typechecking.test.msd b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/jetbrains.mps.coderules.typechecking.test.msd
index 10f5a71e..52c41b0c 100644
--- a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/jetbrains.mps.coderules.typechecking.test.msd
+++ b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/jetbrains.mps.coderules.typechecking.test.msd
@@ -26,6 +26,7 @@
     <dependency reexport="true">26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)</dependency>
     <dependency reexport="false">c4803b19-6d89-4a3b-bf82-390769514add(jetbrains.mps.lang.coderules)</dependency>
     <dependency reexport="false">f3061a53-9226-4cc5-a443-f952ceaf5816(jetbrains.mps.baseLanguage)</dependency>
+    <dependency reexport="false">f113d56b-63e3-4120-a89c-2f5dcb8c6290(jetbrains.mps.coderules.runtime)</dependency>
   </dependencies>
   <languageVersions>
     <language slang="l:f3061a53-9226-4cc5-a443-f952ceaf5816:jetbrains.mps.baseLanguage" version="11" />
@@ -64,6 +65,7 @@
     <module reference="83888646-71ce-4f1c-9c53-c54016f6ad4f(jetbrains.mps.baseLanguage.collections)" version="0" />
     <module reference="e39e4a59-8cb6-498e-860e-8fa8361c0d90(jetbrains.mps.baseLanguage.scopes)" version="0" />
     <module reference="f97d84b2-8bad-4fdd-8ede-da17b3eacf4c(jetbrains.mps.coderules)" version="0" />
+    <module reference="f113d56b-63e3-4120-a89c-2f5dcb8c6290(jetbrains.mps.coderules.runtime)" version="0" />
     <module reference="6998f568-f0e9-473b-b4a8-9efb6499fc8d(jetbrains.mps.coderules.typechecking)" version="0" />
     <module reference="c9670c16-a215-41fb-8784-04b14329799d(jetbrains.mps.coderules.typechecking.test)" version="0" />
     <module reference="f9bad4b1-59da-4f20-8feb-9f4cc4ad872e(jetbrains.mps.coderules.typechecking.testlang.sandbox)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.incrementality@tests.mps b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.incrementality@tests.mps
index 30ee88c6..1c859dff 100644
--- a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.incrementality@tests.mps
+++ b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.incrementality@tests.mps
@@ -30,6 +30,7 @@
     <import index="7ed7" ref="r:48788b84-8ecd-41f5-ad03-cc8c09b1f186(jetbrains.mps.lang.coderules.analysis)" />
     <import index="zuft" ref="r:65f97255-4bb1-4783-acd6-a4ed5a1088e2(jetbrains.mps.typechecking.testlang.types)" />
     <import index="et5u" ref="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea/java:jetbrains.mps.messages(MPS.Core/)" />
+    <import index="psoy" ref="r:78313117-90ee-47a5-a91e-b5213df7f611(jetbrains.mps.coderules.runtime.result)" />
     <import index="wq2x" ref="r:83137295-aa87-45e8-b0c0-ede2adf2a396(jetbrains.mps.lang.coderules.structure)" implicit="true" />
     <import index="tpck" ref="r:00000000-0000-4000-0000-011c89590288(jetbrains.mps.lang.core.structure)" implicit="true" />
     <import index="5j4j" ref="r:c8fb1c5e-8204-4904-a38f-678899d447c1(jetbrains.mps.logic.structure)" implicit="true" />
@@ -508,7 +509,7 @@
                 <node concept="3cpWsn" id="tyIfzC4r6h" role="3cpWs9">
                   <property role="TrG5h" value="res" />
                   <node concept="3uibUv" id="tyIfzC4r6i" role="1tU5fm">
-                    <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                    <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                   </node>
                   <node concept="2OqwBi" id="tyIfzC4uHe" role="33vP2m">
                     <node concept="37vLTw" id="tyIfzC4uuB" role="2Oq$k0">
@@ -529,7 +530,7 @@
                     <ref role="3cqZAo" node="tyIfzC4r6h" resolve="res" />
                   </node>
                   <node concept="liA8E" id="tyIfzBIVZ3" role="2OqNvi">
-                    <ref role="37wK5l" to="hano:7Oc59RS_hsj" resolve="isSuccessful" />
+                    <ref role="37wK5l" to="psoy:7Oc59RS_hsj" resolve="isSuccessful" />
                   </node>
                 </node>
               </node>
diff --git a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking.test.util.mps b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking.test.util.mps
index ce6f3ef1..6f543fdd 100644
--- a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking.test.util.mps
+++ b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking.test.util.mps
@@ -34,6 +34,7 @@
     <import index="d6hs" ref="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea/java:jetbrains.mps.errors.item(MPS.Core/)" />
     <import index="33ny" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util(JDK/)" />
     <import index="tpcu" ref="r:00000000-0000-4000-0000-011c89590282(jetbrains.mps.lang.core.behavior)" />
+    <import index="psoy" ref="r:78313117-90ee-47a5-a91e-b5213df7f611(jetbrains.mps.coderules.runtime.result)" />
   </imports>
   <registry>
     <language id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage">
@@ -1098,7 +1099,7 @@
           <node concept="3cpWsn" id="6$7vuu2ujxR" role="3cpWs9">
             <property role="TrG5h" value="res" />
             <node concept="3uibUv" id="6$7vuu2ujxH" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
             <node concept="1rXfSq" id="tyIfzC3A2R" role="33vP2m">
               <ref role="37wK5l" node="tyIfzC3x3f" resolve="produceProgram" />
@@ -1118,7 +1119,7 @@
                 <ref role="3cqZAo" node="6$7vuu2ujxR" resolve="res" />
               </node>
               <node concept="liA8E" id="tyIfzC2BXw" role="2OqNvi">
-                <ref role="37wK5l" to="hano:7Oc59RS_hsj" resolve="isSuccessful" />
+                <ref role="37wK5l" to="psoy:7Oc59RS_hsj" resolve="isSuccessful" />
               </node>
             </node>
           </node>
@@ -1128,11 +1129,11 @@
           <node concept="3cpWsn" id="6QH_LDtbV6b" role="3cpWs9">
             <property role="TrG5h" value="res2" />
             <node concept="3uibUv" id="6QH_LDtbV6c" role="1tU5fm">
-              <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
-            <node concept="2YIFZM" id="1CcQBrQs0eX" role="33vP2m">
-              <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
-              <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+            <node concept="2YIFZM" id="7TC1Xcd$6oN" role="33vP2m">
+              <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
             </node>
           </node>
         </node>
@@ -1170,7 +1171,7 @@
                 <ref role="3cqZAo" node="6QH_LDtbV6b" resolve="res2" />
               </node>
               <node concept="liA8E" id="1CcQBrQs3tX" role="2OqNvi">
-                <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                 <node concept="2OqwBi" id="6QH_LDtbV6d" role="37wK5m">
                   <node concept="37vLTw" id="6QH_LDtbV6e" role="2Oq$k0">
                     <ref role="3cqZAo" node="tyIfzC1aZ5" resolve="evaluator" />
@@ -1481,7 +1482,7 @@
       </node>
       <node concept="3Tm1VV" id="tyIfzC3v$U" role="1B3o_S" />
       <node concept="3uibUv" id="tyIfzC3yja" role="3clF45">
-        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
       </node>
     </node>
     <node concept="2tJIrI" id="WJTIIoQH94" role="jymVt" />
diff --git a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking@tests.mps b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking@tests.mps
index ae38c9ef..7495482d 100644
--- a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking@tests.mps
+++ b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/models/jetbrains.mps.coderules.typechecking@tests.mps
@@ -42,6 +42,7 @@
     <import index="82uw" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util.function(JDK/)" />
     <import index="31yc" ref="r:0c18ff61-1cb9-4ff0-a899-c949ad03f97c(jetbrains.mps.coderules.plugin)" />
     <import index="ksgm" ref="r:6285678b-007f-4527-bcf5-6fd38ba8c969(jetbrains.mps.lang.coderules.program)" />
+    <import index="psoy" ref="r:78313117-90ee-47a5-a91e-b5213df7f611(jetbrains.mps.coderules.runtime.result)" />
   </imports>
   <registry>
     <language id="8585453e-6bfb-4d80-98de-b16074f1d86c" name="jetbrains.mps.lang.test">
@@ -1255,7 +1256,7 @@
                 <node concept="3cpWsn" id="6$7vuu2ujxR" role="3cpWs9">
                   <property role="TrG5h" value="res" />
                   <node concept="3uibUv" id="6$7vuu2ujxH" role="1tU5fm">
-                    <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                    <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                   </node>
                   <node concept="2OqwBi" id="6$7vuu2ujxS" role="33vP2m">
                     <node concept="37vLTw" id="6$7vuu2ujxT" role="2Oq$k0">
@@ -1296,7 +1297,7 @@
                     <ref role="3cqZAo" node="6$7vuu2ujxR" resolve="res" />
                   </node>
                   <node concept="liA8E" id="6$7vuu2usrG" role="2OqNvi">
-                    <ref role="37wK5l" to="hano:7Oc59RS_hsj" resolve="isSuccessful" />
+                    <ref role="37wK5l" to="psoy:7Oc59RS_hsj" resolve="isSuccessful" />
                   </node>
                 </node>
               </node>
@@ -1345,11 +1346,11 @@
                 <node concept="3cpWsn" id="6QH_LDtbV6b" role="3cpWs9">
                   <property role="TrG5h" value="res2" />
                   <node concept="3uibUv" id="6QH_LDtbV6c" role="1tU5fm">
-                    <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                    <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                   </node>
-                  <node concept="2YIFZM" id="1CcQBrQs0eX" role="33vP2m">
-                    <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
-                    <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+                  <node concept="2YIFZM" id="7TC1Xcd$6oA" role="33vP2m">
+                    <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+                    <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                   </node>
                 </node>
               </node>
@@ -1363,7 +1364,7 @@
                       <ref role="3cqZAo" node="6QH_LDtbV6b" resolve="res2" />
                     </node>
                     <node concept="liA8E" id="1CcQBrQs3tX" role="2OqNvi">
-                      <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                      <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                       <node concept="2OqwBi" id="6QH_LDtbV6d" role="37wK5m">
                         <node concept="37vLTw" id="6QH_LDtbV6e" role="2Oq$k0">
                           <ref role="3cqZAo" node="6QH_LDtbV5Q" resolve="evaluator" />
@@ -1395,7 +1396,7 @@
                     <ref role="3cqZAo" node="6QH_LDtbV6b" resolve="res2" />
                   </node>
                   <node concept="liA8E" id="6$7vuu2ukRI" role="2OqNvi">
-                    <ref role="37wK5l" to="hano:7Oc59RS_hsj" resolve="isSuccessful" />
+                    <ref role="37wK5l" to="psoy:7Oc59RS_hsj" resolve="isSuccessful" />
                   </node>
                 </node>
               </node>
diff --git a/coderules/solutions/jetbrains.mps.coderules/models/service.mps b/coderules/solutions/jetbrains.mps.coderules/models/service.mps
index 5cc0fd1d..830c5765 100644
--- a/coderules/solutions/jetbrains.mps.coderules/models/service.mps
+++ b/coderules/solutions/jetbrains.mps.coderules/models/service.mps
@@ -37,6 +37,7 @@
     <import index="33ny" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util(JDK/)" />
     <import index="lehm" ref="r:464fcc95-fddb-47d1-b620-592cbf6b8bf2(jetbrains.mps.coderules.runtime.memoizer)" />
     <import index="6exd" ref="r:0f9b1fb3-00f9-4480-b235-1a906a087ab2(jetbrains.mps.logic.dataform)" />
+    <import index="psoy" ref="r:78313117-90ee-47a5-a91e-b5213df7f611(jetbrains.mps.coderules.runtime.result)" />
   </imports>
   <registry>
     <language id="a247e09e-2435-45ba-b8d2-07e93feba96a" name="jetbrains.mps.baseLanguage.tuples">
@@ -708,12 +709,12 @@
                   <node concept="3cpWs8" id="Hg6Enc4WaR" role="3cqZAp">
                     <node concept="3cpWsn" id="Hg6Enc4WaS" role="3cpWs9">
                       <property role="TrG5h" value="result" />
-                      <node concept="2YIFZM" id="Hg6Enc4WaT" role="33vP2m">
-                        <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
-                        <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
+                      <node concept="2YIFZM" id="7TC1Xcd$6o$" role="33vP2m">
+                        <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+                        <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                       </node>
                       <node concept="3uibUv" id="Hg6Enc4WaU" role="1tU5fm">
-                        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                       </node>
                     </node>
                   </node>
@@ -1008,7 +1009,7 @@
                                   <ref role="3cqZAo" node="Hg6Enc4WaS" resolve="result" />
                                 </node>
                                 <node concept="liA8E" id="5X1yxJI4GcP" role="2OqNvi">
-                                  <ref role="37wK5l" to="hano:5X1yxJI3vjy" resolve="cause" />
+                                  <ref role="37wK5l" to="psoy:5X1yxJI3vjy" resolve="cause" />
                                 </node>
                               </node>
                             </node>
@@ -1031,7 +1032,7 @@
                         <ref role="3cqZAo" node="Hg6Enc4WaS" resolve="result" />
                       </node>
                       <node concept="liA8E" id="2gw7OvgDf0k" role="2OqNvi">
-                        <ref role="37wK5l" to="hano:2gw7OvgCNSM" resolve="hasErrors" />
+                        <ref role="37wK5l" to="psoy:2gw7OvgCNSM" resolve="hasErrors" />
                       </node>
                     </node>
                   </node>
@@ -1589,11 +1590,11 @@
                     <node concept="3cpWsn" id="Hg6Enc7CPS" role="3cpWs9">
                       <property role="TrG5h" value="result" />
                       <node concept="3uibUv" id="Hg6Enc7CPT" role="1tU5fm">
-                        <ref role="3uigEE" to="hano:7Oc59RSEjdb" resolve="Result" />
+                        <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
                       </node>
-                      <node concept="2YIFZM" id="Hg6Enc7CPU" role="33vP2m">
-                        <ref role="1Pybhc" to="hano:7Oc59RSEjdb" resolve="Result" />
-                        <ref role="37wK5l" to="hano:7Oc59RSEjeq" resolve="OK" />
+                      <node concept="2YIFZM" id="7TC1Xcd$6o_" role="33vP2m">
+                        <ref role="37wK5l" to="psoy:7Oc59RSEjeq" resolve="OK" />
+                        <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
                       </node>
                     </node>
                   </node>
@@ -1915,7 +1916,7 @@
                           <ref role="3cqZAo" node="Hg6Enc7CPS" resolve="result" />
                         </node>
                         <node concept="liA8E" id="Hg6Enc7CQi" role="2OqNvi">
-                          <ref role="37wK5l" to="hano:7nkyKX7v7xb" resolve="and" />
+                          <ref role="37wK5l" to="psoy:7nkyKX7v7xb" resolve="and" />
                           <node concept="2OqwBi" id="Hg6Enc7CQj" role="37wK5m">
                             <node concept="37vLTw" id="Hg6Enc7CQk" role="2Oq$k0">
                               <ref role="3cqZAo" node="Hg6Enc7CPL" resolve="progEval" />
@@ -1985,7 +1986,7 @@
                         <ref role="3cqZAo" node="Hg6Enc7CPS" resolve="result" />
                       </node>
                       <node concept="liA8E" id="Hg6Enc7CQt" role="2OqNvi">
-                        <ref role="37wK5l" to="hano:7Oc59RS_hsj" resolve="isSuccessful" />
+                        <ref role="37wK5l" to="psoy:7Oc59RS_hsj" resolve="isSuccessful" />
                       </node>
                     </node>
                     <node concept="3clFbS" id="7WKNeR9zVo8" role="3clFbx">
@@ -2115,7 +2116,7 @@
                                       <ref role="3cqZAo" node="Hg6Enc7CPS" resolve="result" />
                                     </node>
                                     <node concept="liA8E" id="5X1yxJI4Li3" role="2OqNvi">
-                                      <ref role="37wK5l" to="hano:5X1yxJI3vjy" resolve="cause" />
+                                      <ref role="37wK5l" to="psoy:5X1yxJI3vjy" resolve="cause" />
                                     </node>
                                   </node>
                                 </node>
diff --git a/samples/mpscore/build.xml b/samples/mpscore/build.xml
index 56a7f083..22c1d9e4 100644
--- a/samples/mpscore/build.xml
+++ b/samples/mpscore/build.xml
@@ -1070,6 +1070,9 @@
           <module ref="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" kind="cl" />
           <module ref="9b80526e-f0bf-4992-bdf5-cee39c1833f3(collections.runtime)" kind="cl" />
           <module ref="f3061a53-9226-4cc5-a443-f952ceaf5816(jetbrains.mps.baseLanguage)" kind="cl" />
+          <module ref="9e36d2ee-c59c-4580-9e81-646748d0614b(jetbrains.mps.baseLanguage.closuresExt)" kind="cl" />
+          <module ref="c1f5ad88-21f4-4e0e-927c-48b1ca0c2334(jetbrains.mps.baseLanguage.collectionsExt)" kind="cl" />
+          <module ref="0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)" kind="cl" />
           <module ref="6998f568-f0e9-473b-b4a8-9efb6499fc8d(jetbrains.mps.coderules.typechecking)" kind="cl" />
         </dependencies>
         <uses>
@@ -1129,6 +1132,8 @@
           <module ref="f3061a53-9226-4cc5-a443-f952ceaf5816(jetbrains.mps.baseLanguage)" kind="cl" />
           <module ref="fd392034-7849-419d-9071-12563d152375(jetbrains.mps.baseLanguage.closures)" kind="cl" />
           <module ref="9e36d2ee-c59c-4580-9e81-646748d0614b(jetbrains.mps.baseLanguage.closuresExt)" kind="cl" />
+          <module ref="c1f5ad88-21f4-4e0e-927c-48b1ca0c2334(jetbrains.mps.baseLanguage.collectionsExt)" kind="cl" />
+          <module ref="0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)" kind="cl" />
           <module ref="6998f568-f0e9-473b-b4a8-9efb6499fc8d(jetbrains.mps.coderules.typechecking)" kind="cl" />
         </dependencies>
         <uses>
@@ -2795,7 +2800,7 @@
     </javac>
   </target>
   
-  <target name="java.compile.jetbrains.mps.baseLanguage.collectionsExt.test" depends="fetchDependencies">
+  <target name="java.compile.jetbrains.mps.baseLanguage.collectionsExt.test" depends="java.compile.jetbrains.mps.baseLanguage.closuresExt, java.compile.jetbrains.mps.baseLanguage.collectionsExt, java.compile.jetbrains.mps.baseLanguage.function, java.compile.jetbrains.mps.baseLanguage.sequence, java.compile.jetbrains.mps.baseLanguageExt, fetchDependencies">
     <mkdir dir="${mps.macro.mpscore_home}/solutions/jetbrains.mps.baseLanguage.collectionsExt.test/source_gen" />
     <mkdir dir="${build.tmp}/java/out/jetbrains.mps.baseLanguage.collectionsExt.test" />
     <javac destdir="${build.tmp}/java/out/jetbrains.mps.baseLanguage.collectionsExt.test" fork="true" encoding="utf8" includeantruntime="false" debug="true">
@@ -2808,7 +2813,12 @@
         <fileset file="${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="${artifacts.mps}/lib/mps-feedback-api.jar" />
         <fileset file="${artifacts.mps}/lib/mps-platform.jar" />
+        <fileset file="${artifacts.mps}/lib/mps-messages-api.jar" />
+        <fileset file="${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="${artifacts.mps}/lib/mps-closures.jar" />
@@ -2818,16 +2828,20 @@
         <fileset file="${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="${artifacts.mps}/lib/mps-constraints-runtime.jar" />
         <fileset file="${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="${artifacts.mps}/lib/mps-environment.jar" />
         <fileset file="${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-test.jar" />
         <fileset file="${artifacts.mps}/lib/mps-textgen.jar" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguage.closuresExt" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguage.collectionsExt" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguage.function" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguage.sequence" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguageExt" />
+        <fileset file="${artifacts.mps}/lib/mps-test.jar" />
         <fileset file="${artifacts.mps}/lib/ant/lib/ant.jar" />
         <fileset file="${artifacts.mps}/lib/hamcrest-core-1.3.jar" />
         <fileset file="${artifacts.mps}/lib/junit-4.12.jar" />
@@ -2839,6 +2853,8 @@
         <fileset file="${artifacts.mps}/lib/ecj-4.13.jar" />
         <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.jar" />
         <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.classifiers.jar" />
+        <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.closures.jar" />
+        <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.collections.jar" />
         <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.scopes.jar" />
         <fileset file="${artifacts.mps}/plugins/mps-testing/languages/baseLanguage/jetbrains.mps.baseLanguage.unitTest.jar" />
         <fileset file="${artifacts.coderules}/deploy/jetbrains.mps.coderules.jar" />
@@ -2987,7 +3003,7 @@
     </javac>
   </target>
   
-  <target name="java.compile.jetbrains.mps.baseLanguage.closuresExt.test" depends="java.compile.jetbrains.mps.baseLanguage.closuresExt, java.compile.jetbrains.mps.baseLanguage.function, java.compile.jetbrains.mps.baseLanguage.sequence, java.compile.jetbrains.mps.baseLanguageExt, fetchDependencies">
+  <target name="java.compile.jetbrains.mps.baseLanguage.closuresExt.test" depends="java.compile.jetbrains.mps.baseLanguage.closuresExt, java.compile.jetbrains.mps.baseLanguage.collectionsExt, java.compile.jetbrains.mps.baseLanguage.function, java.compile.jetbrains.mps.baseLanguage.sequence, java.compile.jetbrains.mps.baseLanguageExt, fetchDependencies">
     <mkdir dir="${mps.macro.mpscore_home}/solutions/jetbrains.mps.baseLanguage.closuresExt.test/source_gen" />
     <mkdir dir="${build.tmp}/java/out/jetbrains.mps.baseLanguage.closuresExt.test" />
     <javac destdir="${build.tmp}/java/out/jetbrains.mps.baseLanguage.closuresExt.test" fork="true" encoding="utf8" includeantruntime="false" debug="true">
@@ -3024,6 +3040,7 @@
         <fileset file="${artifacts.mps}/lib/mps-project-check.jar" />
         <fileset file="${artifacts.mps}/lib/mps-textgen.jar" />
         <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguage.closuresExt" />
+        <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguage.collectionsExt" />
         <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguage.function" />
         <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguage.sequence" />
         <pathelement path="${build.tmp}/java/out/jetbrains.mps.baseLanguageExt" />
@@ -3040,6 +3057,7 @@
         <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.jar" />
         <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.classifiers.jar" />
         <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.closures.jar" />
+        <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.collections.jar" />
         <fileset file="${artifacts.mps}/languages/baseLanguage/jetbrains.mps.baseLanguage.scopes.jar" />
         <fileset file="${artifacts.mps}/plugins/mps-testing/languages/baseLanguage/jetbrains.mps.baseLanguage.unitTest.jar" />
         <fileset file="${artifacts.coderules}/deploy/jetbrains.mps.coderules.jar" />
diff --git a/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps b/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps
index 0b68587d..c6d443f4 100644
--- a/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps
+++ b/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps
@@ -1146,6 +1146,21 @@
             <ref role="3bR37D" to="ffeo:7Kfy9QB6L0C" resolve="collections.runtime" />
           </node>
         </node>
+        <node concept="1SiIV0" id="7TC1XcdAYb9" role="3bR37C">
+          <node concept="3bR9La" id="7TC1XcdAYba" role="1SiIV1">
+            <ref role="3bR37D" node="6$MmqWflyOZ" resolve="jetbrains.mps.baseLanguage.closuresExt" />
+          </node>
+        </node>
+        <node concept="1SiIV0" id="7TC1XcdAYbb" role="3bR37C">
+          <node concept="3bR9La" id="7TC1XcdAYbc" role="1SiIV1">
+            <ref role="3bR37D" node="69UmpDmJW26" resolve="jetbrains.mps.baseLanguageExt" />
+          </node>
+        </node>
+        <node concept="1SiIV0" id="7TC1XcdAYbd" role="3bR37C">
+          <node concept="3bR9La" id="7TC1XcdAYbe" role="1SiIV1">
+            <ref role="3bR37D" node="4NtT$ZxGTIW" resolve="jetbrains.mps.baseLanguage.collectionsExt" />
+          </node>
+        </node>
       </node>
       <node concept="1E1JtD" id="6$MmqWflyOZ" role="2G$12L">
         <property role="BnDLt" value="true" />
@@ -1301,6 +1316,16 @@
             </node>
           </node>
         </node>
+        <node concept="1SiIV0" id="7TC1XcdAYbD" role="3bR37C">
+          <node concept="3bR9La" id="7TC1XcdAYbE" role="1SiIV1">
+            <ref role="3bR37D" node="69UmpDmJW26" resolve="jetbrains.mps.baseLanguageExt" />
+          </node>
+        </node>
+        <node concept="1SiIV0" id="7TC1XcdAYbF" role="3bR37C">
+          <node concept="3bR9La" id="7TC1XcdAYbG" role="1SiIV1">
+            <ref role="3bR37D" node="4NtT$ZxGTIW" resolve="jetbrains.mps.baseLanguage.collectionsExt" />
+          </node>
+        </node>
       </node>
       <node concept="1E1JtD" id="6Dg__VJQ3B2" role="2G$12L">
         <property role="BnDLt" value="true" />