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 4ff1d2cf..5fd9f761 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
@@ -469,6 +469,7 @@
         <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="1165530316231" name="jetbrains.mps.baseLanguage.collections.structure.IsEmptyOperation" flags="nn" index="1v1jN8" />
       <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">
@@ -8145,13 +8146,16 @@
                                 <node concept="3clFbS" id="47oVduOAna1" role="9aQI4">
                                   <node concept="3clFbF" id="3rrtTcSd1ko" role="3cqZAp">
                                     <node concept="37vLTI" id="3rrtTcSd1kq" role="3clFbG">
-                                      <node concept="2OqwBi" id="3rrtTcScZYv" role="37vLTx">
-                                        <node concept="37vLTw" id="3rrtTcScZYw" role="2Oq$k0">
-                                          <ref role="3cqZAo" node="47oVduO$eJY" resolve="res" />
-                                        </node>
-                                        <node concept="liA8E" id="3rrtTcScZYx" role="2OqNvi">
-                                          <ref role="37wK5l" to="psoy:5X1yxJI3vjy" resolve="cause" />
+                                      <node concept="2OqwBi" id="6cGbuqO89e6" role="37vLTx">
+                                        <node concept="2OqwBi" id="3rrtTcScZYv" role="2Oq$k0">
+                                          <node concept="37vLTw" id="3rrtTcScZYw" role="2Oq$k0">
+                                            <ref role="3cqZAo" node="47oVduO$eJY" resolve="res" />
+                                          </node>
+                                          <node concept="liA8E" id="6cGbuqO82xb" role="2OqNvi">
+                                            <ref role="37wK5l" to="psoy:5X1yxJI3E6N" resolve="allCauses" />
+                                          </node>
                                         </node>
+                                        <node concept="1uHKPH" id="6cGbuqO8k5q" role="2OqNvi" />
                                       </node>
                                       <node concept="37vLTw" id="3rrtTcSd1ku" role="37vLTJ">
                                         <ref role="3cqZAo" node="3rrtTcScZYu" resolve="cause" />
@@ -11155,7 +11159,7 @@
         <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
       </node>
     </node>
-    <node concept="2tJIrI" id="5DUvKnrzdJ3" role="jymVt" />
+    <node concept="2tJIrI" id="4qGA5WCO035" role="jymVt" />
     <node concept="3clFb_" id="At0yqM7N1m" role="jymVt">
       <property role="TrG5h" value="expandMacro" />
       <node concept="37vLTG" id="At0yqM7N1n" role="3clF46">
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
index 755c24b1..670e3658 100644
--- 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
@@ -19,6 +19,7 @@
         <child id="1068498886297" name="rValue" index="37vLTx" />
         <child id="1068498886295" name="lValue" index="37vLTJ" />
       </concept>
+      <concept id="4836112446988635817" name="jetbrains.mps.baseLanguage.structure.UndefinedType" flags="in" index="2jxLKc" />
       <concept id="1202948039474" name="jetbrains.mps.baseLanguage.structure.InstanceMethodCallOperation" flags="nn" index="liA8E" />
       <concept id="1465982738277781862" name="jetbrains.mps.baseLanguage.structure.PlaceholderMember" flags="nn" index="2tJIrI" />
       <concept id="1188207840427" name="jetbrains.mps.baseLanguage.structure.AnnotationInstance" flags="nn" index="2AHcQZ">
@@ -30,9 +31,6 @@
       <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" />
@@ -91,6 +89,9 @@
       </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="1068581242864" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclarationStatement" flags="nn" index="3cpWs8">
+        <child id="1068581242865" name="localVariableDeclaration" index="3cpWs9" />
+      </concept>
       <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">
@@ -111,23 +112,27 @@
         <child id="1081773367579" name="rightExpression" index="3uHU7w" />
         <child id="1081773367580" name="leftExpression" index="3uHU7B" />
       </concept>
+      <concept id="1073239437375" name="jetbrains.mps.baseLanguage.structure.NotEqualsExpression" flags="nn" index="3y3z36" />
       <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="6329021646629104954" name="jetbrains.mps.baseLanguage.structure.SingleLineComment" flags="nn" index="3SKdUt">
+        <child id="8356039341262087992" name="line" index="1aUNEU" />
+      </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="fd392034-7849-419d-9071-12563d152375" name="jetbrains.mps.baseLanguage.closures">
+      <concept id="1199569711397" name="jetbrains.mps.baseLanguage.closures.structure.ClosureLiteral" flags="nn" index="1bVj0M">
+        <child id="1199569906740" name="parameter" index="1bW2Oz" />
+        <child id="1199569916463" name="body" index="1bW5cS" />
+      </concept>
+    </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$" />
@@ -148,23 +153,35 @@
         <property id="1169194664001" name="name" index="TrG5h" />
       </concept>
     </language>
+    <language id="c7fb639f-be78-4307-89b0-b5959c3fa8c8" name="jetbrains.mps.lang.text">
+      <concept id="155656958578482948" name="jetbrains.mps.lang.text.structure.Word" flags="nn" index="3oM_SD">
+        <property id="155656958578482949" name="value" index="3oM_SC" />
+      </concept>
+      <concept id="2535923850359271782" name="jetbrains.mps.lang.text.structure.Line" flags="nn" index="1PaTwC">
+        <child id="2535923850359271783" name="elements" index="1PaTwD" />
+      </concept>
+    </language>
     <language id="83888646-71ce-4f1c-9c53-c54016f6ad4f" name="jetbrains.mps.baseLanguage.collections">
-      <concept id="540871147943773365" name="jetbrains.mps.baseLanguage.collections.structure.SingleArgumentSequenceOperation" flags="nn" index="25WWJ4">
-        <child id="540871147943773366" name="argument" index="25WWJ7" />
+      <concept id="1204796164442" name="jetbrains.mps.baseLanguage.collections.structure.InternalSequenceOperation" flags="nn" index="23sCx2">
+        <child id="1204796294226" name="closure" index="23t8la" />
       </concept>
       <concept id="2526372162255441536" name="jetbrains.mps.baseLanguage.collections.structure.AsUnmodifiableOperation" flags="nn" index="26Dbio" />
       <concept id="1151688443754" name="jetbrains.mps.baseLanguage.collections.structure.ListType" flags="in" index="_YKpA">
         <child id="1151688676805" name="elementType" index="_ZDj9" />
       </concept>
+      <concept id="1151702311717" name="jetbrains.mps.baseLanguage.collections.structure.ToListOperation" flags="nn" index="ANE8D" />
       <concept id="1237721394592" name="jetbrains.mps.baseLanguage.collections.structure.AbstractContainerCreator" flags="nn" index="HWqM0">
         <child id="1237721435808" name="initValue" index="HW$Y0" />
         <child id="1237721435807" name="elementType" index="HW$YZ" />
       </concept>
+      <concept id="1203518072036" name="jetbrains.mps.baseLanguage.collections.structure.SmartClosureParameterDeclaration" flags="ig" index="Rh6nW" />
       <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="1240325842691" name="jetbrains.mps.baseLanguage.collections.structure.AsSequenceOperation" flags="nn" index="39bAoz" />
+      <concept id="1201792049884" name="jetbrains.mps.baseLanguage.collections.structure.TranslateOperation" flags="nn" index="3goQfb" />
       <concept id="7125221305512719026" name="jetbrains.mps.baseLanguage.collections.structure.CollectionType" flags="in" index="3vKaQO" />
+      <concept id="1225727723840" name="jetbrains.mps.baseLanguage.collections.structure.FindFirstOperation" flags="nn" index="1z4cxt" />
+      <concept id="1176501494711" name="jetbrains.mps.baseLanguage.collections.structure.IsNotEmptyOperation" flags="nn" index="3GX2aA" />
       <concept id="5686963296372573083" name="jetbrains.mps.baseLanguage.collections.structure.AbstractContainerType" flags="in" index="3O5elB">
         <child id="5686963296372573084" name="elementType" index="3O5elw" />
       </concept>
@@ -305,7 +322,22 @@
       <node concept="3Tm1VV" id="2gw7OvgCNSP" role="1B3o_S" />
       <node concept="3clFbS" id="2gw7OvgCNSQ" role="3clF47" />
     </node>
-    <node concept="2tJIrI" id="2gw7OvgCIPw" role="jymVt" />
+    <node concept="2tJIrI" id="6cGbuqOk7LF" role="jymVt" />
+    <node concept="3clFb_" id="6cGbuqOk51p" role="jymVt">
+      <property role="TrG5h" value="clearCause" />
+      <node concept="3cqZAl" id="6cGbuqOkfFG" role="3clF45" />
+      <node concept="3Tm1VV" id="6cGbuqOk51r" role="1B3o_S" />
+      <node concept="3clFbS" id="6cGbuqOk51s" role="3clF47">
+        <node concept="3SKdUt" id="6cGbuqOkeHn" role="3cqZAp">
+          <node concept="1PaTwC" id="6cGbuqOkeHo" role="1aUNEU">
+            <node concept="3oM_SD" id="6cGbuqOkgEP" role="1PaTwD">
+              <property role="3oM_SC" value="NOP" />
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="2tJIrI" id="6cGbuqOk296" role="jymVt" />
     <node concept="3clFb_" id="5X1yxJI3vjy" role="jymVt">
       <property role="TrG5h" value="cause" />
       <property role="1EzhhJ" value="true" />
@@ -314,6 +346,13 @@
       </node>
       <node concept="3Tm1VV" id="5X1yxJI3vj_" role="1B3o_S" />
       <node concept="3clFbS" id="5X1yxJI3vjA" role="3clF47" />
+      <node concept="P$JXv" id="4qGA5WE1BM9" role="lGtFl">
+        <node concept="TZ5HA" id="4qGA5WE1BMa" role="TZ5H$">
+          <node concept="1dT_AC" id="4qGA5WE1BMb" role="1dT_Ay">
+            <property role="1dT_AB" value="The first exception." />
+          </node>
+        </node>
+      </node>
     </node>
     <node concept="2tJIrI" id="5X1yxJI3HvC" role="jymVt" />
     <node concept="3clFb_" id="5X1yxJI3E6N" role="jymVt">
@@ -653,51 +692,111 @@
         <node concept="3cqZAl" id="2Z9ItkdbLJF" role="3clF45" />
         <node concept="3Tm6S6" id="2Z9ItkdbLJG" role="1B3o_S" />
         <node concept="3clFbS" id="2Z9ItkdbLJH" role="3clF47">
-          <node concept="3clFbF" id="5X1yxJI53Z5" role="3cqZAp">
-            <node concept="37vLTI" id="5X1yxJI555x" role="3clFbG">
-              <node concept="2ShNRf" id="5X1yxJI55i1" role="37vLTx">
-                <node concept="Tc6Ow" id="5X1yxJI55hz" role="2ShVmc">
-                  <node concept="3uibUv" id="5X1yxJI55h$" role="HW$YZ">
-                    <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
-                  </node>
+          <node concept="3clFbF" id="4qGA5WE2j0$" role="3cqZAp">
+            <node concept="37vLTI" id="4qGA5WE2$Ks" role="3clFbG">
+              <node concept="2OqwBi" id="4qGA5WE2AC4" role="37vLTJ">
+                <node concept="Xjq3P" id="4qGA5WE2A1u" role="2Oq$k0" />
+                <node concept="2OwXpG" id="4qGA5WE2BWo" role="2OqNvi">
+                  <ref role="2Oxat5" node="5X1yxJI4hRY" resolve="allCauses" />
                 </node>
               </node>
-              <node concept="2OqwBi" id="5X1yxJI548d" role="37vLTJ">
-                <node concept="Xjq3P" id="5X1yxJI53Z3" role="2Oq$k0" />
-                <node concept="2OwXpG" id="5X1yxJI54hp" role="2OqNvi">
-                  <ref role="2Oxat5" node="5X1yxJI4hRY" resolve="causes" />
+              <node concept="2OqwBi" id="4qGA5WE2xbG" role="37vLTx">
+                <node concept="2OqwBi" id="4qGA5WE2lMw" role="2Oq$k0">
+                  <node concept="2OqwBi" id="4qGA5WE2jR8" role="2Oq$k0">
+                    <node concept="37vLTw" id="4qGA5WE2j0y" role="2Oq$k0">
+                      <ref role="3cqZAo" node="2Z9ItkdbLJC" resolve="results" />
+                    </node>
+                    <node concept="39bAoz" id="4qGA5WE2l0Z" role="2OqNvi" />
+                  </node>
+                  <node concept="3goQfb" id="4qGA5WE2v5Q" role="2OqNvi">
+                    <node concept="1bVj0M" id="4qGA5WE2v5S" role="23t8la">
+                      <node concept="3clFbS" id="4qGA5WE2v5T" role="1bW5cS">
+                        <node concept="3clFbF" id="4qGA5WE2v5U" role="3cqZAp">
+                          <node concept="2OqwBi" id="4qGA5WE2v5V" role="3clFbG">
+                            <node concept="37vLTw" id="4qGA5WE2v5W" role="2Oq$k0">
+                              <ref role="3cqZAo" node="4qGA5WE2v5Y" resolve="it" />
+                            </node>
+                            <node concept="liA8E" id="4qGA5WE2w6u" role="2OqNvi">
+                              <ref role="37wK5l" node="5X1yxJI3E6N" resolve="allCauses" />
+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                      <node concept="Rh6nW" id="4qGA5WE2v5Y" role="1bW2Oz">
+                        <property role="TrG5h" value="it" />
+                        <node concept="2jxLKc" id="4qGA5WE2v5Z" role="1tU5fm" />
+                      </node>
+                    </node>
+                  </node>
                 </node>
+                <node concept="ANE8D" id="4qGA5WE2zIG" role="2OqNvi" />
               </node>
             </node>
           </node>
-          <node concept="1DcWWT" id="2Z9ItkdbLJQ" role="3cqZAp">
-            <node concept="3clFbS" id="2Z9ItkdbLJR" role="2LFqv$">
-              <node concept="3clFbF" id="5X1yxJI566W" role="3cqZAp">
-                <node concept="2OqwBi" id="5X1yxJI56Qs" role="3clFbG">
-                  <node concept="37vLTw" id="5X1yxJI566U" role="2Oq$k0">
-                    <ref role="3cqZAo" node="5X1yxJI4hRY" resolve="causes" />
+          <node concept="3cpWs8" id="6cGbuqOorb8" role="3cqZAp">
+            <node concept="3cpWsn" id="6cGbuqOorb9" role="3cpWs9">
+              <property role="TrG5h" value="withCause" />
+              <node concept="3uibUv" id="6cGbuqOoq$N" role="1tU5fm">
+                <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+              </node>
+              <node concept="2OqwBi" id="6cGbuqOorba" role="33vP2m">
+                <node concept="2OqwBi" id="6cGbuqOorbb" role="2Oq$k0">
+                  <node concept="37vLTw" id="6cGbuqOorbc" role="2Oq$k0">
+                    <ref role="3cqZAo" node="2Z9ItkdbLJC" resolve="results" />
                   </node>
-                  <node concept="X8dFx" id="5X1yxJI57z2" role="2OqNvi">
-                    <node concept="2OqwBi" id="5X1yxJI57To" role="25WWJ7">
-                      <node concept="37vLTw" id="5X1yxJI57Kt" role="2Oq$k0">
-                        <ref role="3cqZAo" node="2Z9ItkdbLJZ" resolve="r" />
-                      </node>
-                      <node concept="liA8E" id="5X1yxJI57Z9" role="2OqNvi">
-                        <ref role="37wK5l" node="5X1yxJI3E6N" resolve="allCauses" />
+                  <node concept="39bAoz" id="6cGbuqOorbd" role="2OqNvi" />
+                </node>
+                <node concept="1z4cxt" id="6cGbuqOorbe" role="2OqNvi">
+                  <node concept="1bVj0M" id="6cGbuqOorbf" role="23t8la">
+                    <node concept="3clFbS" id="6cGbuqOorbg" role="1bW5cS">
+                      <node concept="3clFbF" id="6cGbuqOorbh" role="3cqZAp">
+                        <node concept="3y3z36" id="6cGbuqOorbi" role="3clFbG">
+                          <node concept="10Nm6u" id="6cGbuqOorbj" role="3uHU7w" />
+                          <node concept="2OqwBi" id="6cGbuqOorbk" role="3uHU7B">
+                            <node concept="37vLTw" id="6cGbuqOorbl" role="2Oq$k0">
+                              <ref role="3cqZAo" node="6cGbuqOorbn" resolve="it" />
+                            </node>
+                            <node concept="liA8E" id="6cGbuqOorbm" role="2OqNvi">
+                              <ref role="37wK5l" node="5X1yxJI3vjy" resolve="cause" />
+                            </node>
+                          </node>
+                        </node>
                       </node>
                     </node>
+                    <node concept="Rh6nW" id="6cGbuqOorbn" role="1bW2Oz">
+                      <property role="TrG5h" value="it" />
+                      <node concept="2jxLKc" id="6cGbuqOorbo" role="1tU5fm" />
+                    </node>
                   </node>
                 </node>
               </node>
             </node>
-            <node concept="3cpWsn" id="2Z9ItkdbLJZ" role="1Duv9x">
-              <property role="TrG5h" value="r" />
-              <node concept="3uibUv" id="2Z9ItkdbLK0" role="1tU5fm">
-                <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+          </node>
+          <node concept="3clFbF" id="6cGbuqOnPXE" role="3cqZAp">
+            <node concept="37vLTI" id="6cGbuqOnSrF" role="3clFbG">
+              <node concept="2OqwBi" id="6cGbuqOnQy1" role="37vLTJ">
+                <node concept="Xjq3P" id="6cGbuqOnPXC" role="2Oq$k0" />
+                <node concept="2OwXpG" id="6cGbuqOnREL" role="2OqNvi">
+                  <ref role="2Oxat5" node="4qGA5WE1KRc" resolve="cause" />
+                </node>
+              </node>
+              <node concept="3K4zz7" id="6cGbuqOoAfo" role="37vLTx">
+                <node concept="2OqwBi" id="6cGbuqOoBOY" role="3K4E3e">
+                  <node concept="37vLTw" id="6cGbuqOoBft" role="2Oq$k0">
+                    <ref role="3cqZAo" node="6cGbuqOorb9" resolve="withCause" />
+                  </node>
+                  <node concept="liA8E" id="6cGbuqOoCB4" role="2OqNvi">
+                    <ref role="37wK5l" node="5X1yxJI3vjy" resolve="cause" />
+                  </node>
+                </node>
+                <node concept="10Nm6u" id="6cGbuqOoFTM" role="3K4GZi" />
+                <node concept="3y3z36" id="6cGbuqOo$MP" role="3K4Cdx">
+                  <node concept="10Nm6u" id="6cGbuqOo_zh" role="3uHU7w" />
+                  <node concept="37vLTw" id="6cGbuqOozYi" role="3uHU7B">
+                    <ref role="3cqZAo" node="6cGbuqOorb9" resolve="withCause" />
+                  </node>
+                </node>
               </node>
-            </node>
-            <node concept="37vLTw" id="2Z9ItkdbLK1" role="1DdaDG">
-              <ref role="3cqZAo" node="2Z9ItkdbLJC" resolve="results" />
             </node>
           </node>
         </node>
@@ -707,22 +806,35 @@
         <node concept="3cqZAl" id="5X1yxJI5jQg" role="3clF45" />
         <node concept="3Tm6S6" id="5X1yxJI5jQh" role="1B3o_S" />
         <node concept="3clFbS" id="5X1yxJI5jQi" role="3clF47">
-          <node concept="3clFbF" id="5X1yxJI5jQj" role="3cqZAp">
-            <node concept="37vLTI" id="5X1yxJI5jQk" role="3clFbG">
-              <node concept="2ShNRf" id="5X1yxJI5jQl" role="37vLTx">
-                <node concept="Tc6Ow" id="5X1yxJI5jQm" role="2ShVmc">
-                  <node concept="3uibUv" id="5X1yxJI5jQn" role="HW$YZ">
+          <node concept="3clFbF" id="4qGA5WE2dS1" role="3cqZAp">
+            <node concept="37vLTI" id="4qGA5WE2f61" role="3clFbG">
+              <node concept="37vLTw" id="4qGA5WE2f$L" role="37vLTx">
+                <ref role="3cqZAo" node="5X1yxJI5jQs" resolve="cause" />
+              </node>
+              <node concept="2OqwBi" id="4qGA5WE2e3A" role="37vLTJ">
+                <node concept="Xjq3P" id="4qGA5WE2dRZ" role="2Oq$k0" />
+                <node concept="2OwXpG" id="4qGA5WE2e_r" role="2OqNvi">
+                  <ref role="2Oxat5" node="4qGA5WE1KRc" resolve="cause" />
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="3clFbF" id="6cGbuqOoM6K" role="3cqZAp">
+            <node concept="37vLTI" id="6cGbuqOoNEF" role="3clFbG">
+              <node concept="2ShNRf" id="6cGbuqOoOdq" role="37vLTx">
+                <node concept="Tc6Ow" id="6cGbuqOoOd8" role="2ShVmc">
+                  <node concept="3uibUv" id="6cGbuqOoOd9" role="HW$YZ">
                     <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
                   </node>
-                  <node concept="37vLTw" id="5X1yxJI5jQo" role="HW$Y0">
+                  <node concept="37vLTw" id="6cGbuqOoQzZ" role="HW$Y0">
                     <ref role="3cqZAo" node="5X1yxJI5jQs" resolve="cause" />
                   </node>
                 </node>
               </node>
-              <node concept="2OqwBi" id="5X1yxJI5jQp" role="37vLTJ">
-                <node concept="Xjq3P" id="5X1yxJI5jQq" role="2Oq$k0" />
-                <node concept="2OwXpG" id="5X1yxJI5jQr" role="2OqNvi">
-                  <ref role="2Oxat5" node="5X1yxJI4hRY" resolve="causes" />
+              <node concept="2OqwBi" id="6cGbuqOoMd9" role="37vLTJ">
+                <node concept="Xjq3P" id="6cGbuqOoM6I" role="2Oq$k0" />
+                <node concept="2OwXpG" id="6cGbuqOoMHM" role="2OqNvi">
+                  <ref role="2Oxat5" node="5X1yxJI4hRY" resolve="allCauses" />
                 </node>
               </node>
             </node>
@@ -773,8 +885,11 @@
         <node concept="3Tm1VV" id="2gw7OvgCXBN" role="1B3o_S" />
         <node concept="3clFbS" id="2gw7OvgCXBP" role="3clF47">
           <node concept="3clFbF" id="2gw7OvgCYEY" role="3cqZAp">
-            <node concept="3clFbT" id="2gw7OvgCYEX" role="3clFbG">
-              <property role="3clFbU" value="true" />
+            <node concept="2OqwBi" id="6cGbuqOnpN_" role="3clFbG">
+              <node concept="37vLTw" id="6cGbuqOnomg" role="2Oq$k0">
+                <ref role="3cqZAo" node="5X1yxJI4hRY" resolve="allCauses" />
+              </node>
+              <node concept="3GX2aA" id="6cGbuqOnrtK" role="2OqNvi" />
             </node>
           </node>
         </node>
@@ -782,6 +897,28 @@
           <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
         </node>
       </node>
+      <node concept="2tJIrI" id="6cGbuqOkiMw" role="jymVt" />
+      <node concept="3clFb_" id="6cGbuqOkhKH" role="jymVt">
+        <property role="TrG5h" value="clearCause" />
+        <node concept="3cqZAl" id="6cGbuqOkjLZ" role="3clF45" />
+        <node concept="3Tm1VV" id="6cGbuqOkhKJ" role="1B3o_S" />
+        <node concept="3clFbS" id="6cGbuqOkhKK" role="3clF47">
+          <node concept="3clFbF" id="6cGbuqOkq$S" role="3cqZAp">
+            <node concept="37vLTI" id="6cGbuqOksDn" role="3clFbG">
+              <node concept="10Nm6u" id="6cGbuqOksTd" role="37vLTx" />
+              <node concept="2OqwBi" id="6cGbuqOkrag" role="37vLTJ">
+                <node concept="Xjq3P" id="6cGbuqOkq$Q" role="2Oq$k0" />
+                <node concept="2OwXpG" id="6cGbuqOkrTI" role="2OqNvi">
+                  <ref role="2Oxat5" node="4qGA5WE1KRc" resolve="cause" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="2AHcQZ" id="6cGbuqOkhKN" role="2AJF6D">
+          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+        </node>
+      </node>
       <node concept="2tJIrI" id="2Z9ItkdbLK9" role="jymVt" />
       <node concept="3clFb_" id="2Z9ItkdbLKa" role="jymVt">
         <property role="TrG5h" value="and" />
@@ -840,12 +977,9 @@
         </node>
         <node concept="3Tm1VV" id="5X1yxJI4276" role="1B3o_S" />
         <node concept="3clFbS" id="5X1yxJI4278" role="3clF47">
-          <node concept="3clFbF" id="5X1yxJI4kdp" role="3cqZAp">
-            <node concept="2OqwBi" id="5X1yxJI4yk4" role="3clFbG">
-              <node concept="37vLTw" id="5X1yxJI4kdo" role="2Oq$k0">
-                <ref role="3cqZAo" node="5X1yxJI4hRY" resolve="causes" />
-              </node>
-              <node concept="1uHKPH" id="5X1yxJI4yZw" role="2OqNvi" />
+          <node concept="3clFbF" id="4qGA5WE1PbJ" role="3cqZAp">
+            <node concept="37vLTw" id="4qGA5WE1PbI" role="3clFbG">
+              <ref role="3cqZAo" node="4qGA5WE1KRc" resolve="cause" />
             </node>
           </node>
         </node>
@@ -863,12 +997,12 @@
         </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$k0">
-                <ref role="3cqZAo" node="5X1yxJI4hRY" resolve="causes" />
+          <node concept="3clFbF" id="6cGbuqOpBI5" role="3cqZAp">
+            <node concept="2OqwBi" id="6cGbuqOpCKO" role="3clFbG">
+              <node concept="37vLTw" id="6cGbuqOpBI3" role="2Oq$k0">
+                <ref role="3cqZAo" node="5X1yxJI4hRY" resolve="allCauses" />
               </node>
-              <node concept="26Dbio" id="5X1yxJI4$zI" role="2OqNvi" />
+              <node concept="26Dbio" id="6cGbuqOpEnc" role="2OqNvi" />
             </node>
           </node>
         </node>
@@ -877,12 +1011,19 @@
         </node>
       </node>
       <node concept="2tJIrI" id="2Z9ItkdbLKz" role="jymVt" />
+      <node concept="312cEg" id="4qGA5WE1KRc" role="jymVt">
+        <property role="TrG5h" value="cause" />
+        <node concept="3Tm6S6" id="4qGA5WE1KRd" role="1B3o_S" />
+        <node concept="3uibUv" id="4qGA5WE1M0$" role="1tU5fm">
+          <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+        </node>
+      </node>
       <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" />
+        <property role="TrG5h" value="allCauses" />
         <node concept="3Tm6S6" id="5X1yxJI4hRZ" role="1B3o_S" />
         <node concept="_YKpA" id="5X1yxJI4vN0" role="1tU5fm">
           <node concept="3uibUv" id="5X1yxJI4vN1" role="_ZDj9">
@@ -909,51 +1050,111 @@
         <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$YZ">
-                    <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
-                  </node>
+          <node concept="3clFbF" id="4qGA5WE2JeN" role="3cqZAp">
+            <node concept="37vLTI" id="4qGA5WE2JeO" role="3clFbG">
+              <node concept="2OqwBi" id="4qGA5WE2JeP" role="37vLTJ">
+                <node concept="Xjq3P" id="4qGA5WE2JeQ" role="2Oq$k0" />
+                <node concept="2OwXpG" id="4qGA5WE2JeR" role="2OqNvi">
+                  <ref role="2Oxat5" node="5X1yxJI4_LQ" resolve="allCauses" />
                 </node>
               </node>
-              <node concept="2OqwBi" id="5X1yxJI59DR" role="37vLTJ">
-                <node concept="Xjq3P" id="5X1yxJI59DS" role="2Oq$k0" />
-                <node concept="2OwXpG" id="5X1yxJI59DT" role="2OqNvi">
-                  <ref role="2Oxat5" node="5X1yxJI4_LQ" resolve="causes" />
+              <node concept="2OqwBi" id="4qGA5WE2JeS" role="37vLTx">
+                <node concept="2OqwBi" id="4qGA5WE2JeT" role="2Oq$k0">
+                  <node concept="2OqwBi" id="4qGA5WE2JeU" role="2Oq$k0">
+                    <node concept="37vLTw" id="4qGA5WE2JeV" role="2Oq$k0">
+                      <ref role="3cqZAo" node="7nkyKX7vbud" resolve="results" />
+                    </node>
+                    <node concept="39bAoz" id="4qGA5WE2JeW" role="2OqNvi" />
+                  </node>
+                  <node concept="3goQfb" id="4qGA5WE2JeX" role="2OqNvi">
+                    <node concept="1bVj0M" id="4qGA5WE2JeY" role="23t8la">
+                      <node concept="3clFbS" id="4qGA5WE2JeZ" role="1bW5cS">
+                        <node concept="3clFbF" id="4qGA5WE2Jf0" role="3cqZAp">
+                          <node concept="2OqwBi" id="4qGA5WE2Jf1" role="3clFbG">
+                            <node concept="37vLTw" id="4qGA5WE2Jf2" role="2Oq$k0">
+                              <ref role="3cqZAo" node="4qGA5WE2Jf4" resolve="it" />
+                            </node>
+                            <node concept="liA8E" id="4qGA5WE2Jf3" role="2OqNvi">
+                              <ref role="37wK5l" node="5X1yxJI3E6N" resolve="allCauses" />
+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                      <node concept="Rh6nW" id="4qGA5WE2Jf4" role="1bW2Oz">
+                        <property role="TrG5h" value="it" />
+                        <node concept="2jxLKc" id="4qGA5WE2Jf5" role="1tU5fm" />
+                      </node>
+                    </node>
+                  </node>
                 </node>
+                <node concept="ANE8D" id="4qGA5WE2Jf6" role="2OqNvi" />
               </node>
             </node>
           </node>
-          <node concept="1DcWWT" id="5X1yxJI59DW" role="3cqZAp">
-            <node concept="3clFbS" id="5X1yxJI59DX" role="2LFqv$">
-              <node concept="3clFbF" id="5X1yxJI59DY" role="3cqZAp">
-                <node concept="2OqwBi" id="5X1yxJI59DZ" role="3clFbG">
-                  <node concept="37vLTw" id="5X1yxJI59E0" role="2Oq$k0">
-                    <ref role="3cqZAo" node="5X1yxJI4_LQ" resolve="causes" />
+          <node concept="3cpWs8" id="6cGbuqOzVV8" role="3cqZAp">
+            <node concept="3cpWsn" id="6cGbuqOzVV9" role="3cpWs9">
+              <property role="TrG5h" value="withCause" />
+              <node concept="3uibUv" id="6cGbuqOzVVa" role="1tU5fm">
+                <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+              </node>
+              <node concept="2OqwBi" id="6cGbuqOzVVb" role="33vP2m">
+                <node concept="2OqwBi" id="6cGbuqOzVVc" role="2Oq$k0">
+                  <node concept="37vLTw" id="6cGbuqOzVVd" role="2Oq$k0">
+                    <ref role="3cqZAo" node="7nkyKX7vbud" resolve="results" />
                   </node>
-                  <node concept="X8dFx" id="5X1yxJI59E1" role="2OqNvi">
-                    <node concept="2OqwBi" id="5X1yxJI59E2" role="25WWJ7">
-                      <node concept="37vLTw" id="5X1yxJI59E3" role="2Oq$k0">
-                        <ref role="3cqZAo" node="5X1yxJI59E5" resolve="r" />
-                      </node>
-                      <node concept="liA8E" id="5X1yxJI59E4" role="2OqNvi">
-                        <ref role="37wK5l" node="5X1yxJI3E6N" resolve="allCauses" />
+                  <node concept="39bAoz" id="6cGbuqOzVVe" role="2OqNvi" />
+                </node>
+                <node concept="1z4cxt" id="6cGbuqOzVVf" role="2OqNvi">
+                  <node concept="1bVj0M" id="6cGbuqOzVVg" role="23t8la">
+                    <node concept="3clFbS" id="6cGbuqOzVVh" role="1bW5cS">
+                      <node concept="3clFbF" id="6cGbuqOzVVi" role="3cqZAp">
+                        <node concept="3y3z36" id="6cGbuqOzVVj" role="3clFbG">
+                          <node concept="10Nm6u" id="6cGbuqOzVVk" role="3uHU7w" />
+                          <node concept="2OqwBi" id="6cGbuqOzVVl" role="3uHU7B">
+                            <node concept="37vLTw" id="6cGbuqOzVVm" role="2Oq$k0">
+                              <ref role="3cqZAo" node="6cGbuqOzVVo" resolve="it" />
+                            </node>
+                            <node concept="liA8E" id="6cGbuqOzVVn" role="2OqNvi">
+                              <ref role="37wK5l" node="5X1yxJI3vjy" resolve="cause" />
+                            </node>
+                          </node>
+                        </node>
                       </node>
                     </node>
+                    <node concept="Rh6nW" id="6cGbuqOzVVo" role="1bW2Oz">
+                      <property role="TrG5h" value="it" />
+                      <node concept="2jxLKc" id="6cGbuqOzVVp" role="1tU5fm" />
+                    </node>
                   </node>
                 </node>
               </node>
             </node>
-            <node concept="3cpWsn" id="5X1yxJI59E5" role="1Duv9x">
-              <property role="TrG5h" value="r" />
-              <node concept="3uibUv" id="5X1yxJI59E6" role="1tU5fm">
-                <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
+          </node>
+          <node concept="3clFbF" id="6cGbuqOzVVq" role="3cqZAp">
+            <node concept="37vLTI" id="6cGbuqOzVVr" role="3clFbG">
+              <node concept="2OqwBi" id="6cGbuqOzVVs" role="37vLTJ">
+                <node concept="Xjq3P" id="6cGbuqOzVVt" role="2Oq$k0" />
+                <node concept="2OwXpG" id="6cGbuqOzVVu" role="2OqNvi">
+                  <ref role="2Oxat5" node="4qGA5WE2QnY" resolve="cause" />
+                </node>
+              </node>
+              <node concept="3K4zz7" id="6cGbuqOzVVv" role="37vLTx">
+                <node concept="2OqwBi" id="6cGbuqOzVVw" role="3K4E3e">
+                  <node concept="37vLTw" id="6cGbuqOzVVx" role="2Oq$k0">
+                    <ref role="3cqZAo" node="6cGbuqOzVV9" resolve="withCause" />
+                  </node>
+                  <node concept="liA8E" id="6cGbuqOzVVy" role="2OqNvi">
+                    <ref role="37wK5l" node="5X1yxJI3vjy" resolve="cause" />
+                  </node>
+                </node>
+                <node concept="10Nm6u" id="6cGbuqOzVVz" role="3K4GZi" />
+                <node concept="3y3z36" id="6cGbuqOzVV$" role="3K4Cdx">
+                  <node concept="10Nm6u" id="6cGbuqOzVV_" role="3uHU7w" />
+                  <node concept="37vLTw" id="6cGbuqOzVVA" role="3uHU7B">
+                    <ref role="3cqZAo" node="6cGbuqOzVV9" resolve="withCause" />
+                  </node>
+                </node>
               </node>
-            </node>
-            <node concept="37vLTw" id="5X1yxJI59E7" role="1DdaDG">
-              <ref role="3cqZAo" node="7nkyKX7vbud" resolve="results" />
             </node>
           </node>
         </node>
@@ -963,22 +1164,35 @@
         <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$YZ">
+          <node concept="3clFbF" id="4qGA5WE2NNi" role="3cqZAp">
+            <node concept="37vLTI" id="4qGA5WE2NNj" role="3clFbG">
+              <node concept="37vLTw" id="4qGA5WE2NNk" role="37vLTx">
+                <ref role="3cqZAo" node="5X1yxJI5gPg" resolve="cause" />
+              </node>
+              <node concept="2OqwBi" id="4qGA5WE2NNl" role="37vLTJ">
+                <node concept="Xjq3P" id="4qGA5WE2NNm" role="2Oq$k0" />
+                <node concept="2OwXpG" id="4qGA5WE2NNn" role="2OqNvi">
+                  <ref role="2Oxat5" node="4qGA5WE2QnY" resolve="cause" />
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="3clFbF" id="6cGbuqO$2Od" role="3cqZAp">
+            <node concept="37vLTI" id="6cGbuqO$2Oe" role="3clFbG">
+              <node concept="2ShNRf" id="6cGbuqO$2Of" role="37vLTx">
+                <node concept="Tc6Ow" id="6cGbuqO$2Og" role="2ShVmc">
+                  <node concept="3uibUv" id="6cGbuqO$2Oh" role="HW$YZ">
                     <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
                   </node>
-                  <node concept="37vLTw" id="5X1yxJI5jOG" role="HW$Y0">
+                  <node concept="37vLTw" id="6cGbuqO$2Oi" role="HW$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 concept="2OqwBi" id="6cGbuqO$2Oj" role="37vLTJ">
+                <node concept="Xjq3P" id="6cGbuqO$2Ok" role="2Oq$k0" />
+                <node concept="2OwXpG" id="6cGbuqO$2Ol" role="2OqNvi">
+                  <ref role="2Oxat5" node="5X1yxJI4_LQ" resolve="allCauses" />
                 </node>
               </node>
             </node>
@@ -1073,11 +1287,8 @@
         <node concept="3Tm1VV" id="5X1yxJI4Bok" role="1B3o_S" />
         <node concept="3clFbS" id="5X1yxJI4Bol" role="3clF47">
           <node concept="3clFbF" id="5X1yxJI4Bom" role="3cqZAp">
-            <node concept="2OqwBi" id="5X1yxJI4Bon" role="3clFbG">
-              <node concept="37vLTw" id="5X1yxJI4Boo" role="2Oq$k0">
-                <ref role="3cqZAo" node="5X1yxJI4_LQ" resolve="causes" />
-              </node>
-              <node concept="1uHKPH" id="5X1yxJI4Bop" role="2OqNvi" />
+            <node concept="37vLTw" id="4qGA5WE2Uvg" role="3clFbG">
+              <ref role="3cqZAo" node="4qGA5WE2QnY" resolve="cause" />
             </node>
           </node>
         </node>
@@ -1095,12 +1306,12 @@
         </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$k0">
-                <ref role="3cqZAo" node="5X1yxJI4_LQ" resolve="causes" />
+          <node concept="3clFbF" id="6cGbuqOzY3T" role="3cqZAp">
+            <node concept="2OqwBi" id="6cGbuqOzZAG" role="3clFbG">
+              <node concept="37vLTw" id="6cGbuqOzY3R" role="2Oq$k0">
+                <ref role="3cqZAo" node="5X1yxJI4_LQ" resolve="allCauses" />
               </node>
-              <node concept="26Dbio" id="5X1yxJI4Bo$" role="2OqNvi" />
+              <node concept="26Dbio" id="6cGbuqO$15N" role="2OqNvi" />
             </node>
           </node>
         </node>
@@ -1113,8 +1324,15 @@
       <node concept="3uibUv" id="7Oc59RSEjha" role="1zkMxy">
         <ref role="3uigEE" node="7Oc59RSEjdb" resolve="Result" />
       </node>
+      <node concept="312cEg" id="4qGA5WE2QnY" role="jymVt">
+        <property role="TrG5h" value="cause" />
+        <node concept="3Tm6S6" id="4qGA5WE2QnZ" role="1B3o_S" />
+        <node concept="3uibUv" id="4qGA5WE2Qo0" role="1tU5fm">
+          <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+        </node>
+      </node>
       <node concept="312cEg" id="5X1yxJI4_LQ" role="jymVt">
-        <property role="TrG5h" value="causes" />
+        <property role="TrG5h" value="allCauses" />
         <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">
diff --git a/coderules/solutions/jetbrains.mps.coderules/models/service.mps b/coderules/solutions/jetbrains.mps.coderules/models/service.mps
index 4f0ccc2d..d936e74d 100644
--- a/coderules/solutions/jetbrains.mps.coderules/models/service.mps
+++ b/coderules/solutions/jetbrains.mps.coderules/models/service.mps
@@ -420,6 +420,7 @@
       <concept id="1203518072036" name="jetbrains.mps.baseLanguage.collections.structure.SmartClosureParameterDeclaration" flags="ig" index="Rh6nW" />
       <concept id="1160600644654" name="jetbrains.mps.baseLanguage.collections.structure.ListCreatorWithInit" flags="nn" index="Tc6Ow" />
       <concept id="1160612413312" name="jetbrains.mps.baseLanguage.collections.structure.AddElementOperation" flags="nn" index="TSZUe" />
+      <concept id="1162935959151" name="jetbrains.mps.baseLanguage.collections.structure.GetSizeOperation" flags="nn" index="34oBXx" />
       <concept id="1240325842691" name="jetbrains.mps.baseLanguage.collections.structure.AsSequenceOperation" flags="nn" index="39bAoz" />
       <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" />
@@ -955,6 +956,25 @@
                 <node concept="3clFbH" id="6kREIVkvJ4j" role="3cqZAp" />
                 <node concept="3clFbJ" id="6kREIVkvKid" role="3cqZAp">
                   <node concept="3clFbS" id="6kREIVkvKif" role="3clFbx">
+                    <node concept="3cpWs8" id="6cGbuqO698a" role="3cqZAp">
+                      <node concept="3cpWsn" id="6cGbuqO698b" role="3cpWs9">
+                        <property role="TrG5h" value="cause" />
+                        <node concept="3uibUv" id="6cGbuqO67Cp" role="1tU5fm">
+                          <ref role="3uigEE" to="wyt6:~Throwable" resolve="Throwable" />
+                        </node>
+                        <node concept="2OqwBi" id="6cGbuqO6twZ" role="33vP2m">
+                          <node concept="2OqwBi" id="6cGbuqO698c" role="2Oq$k0">
+                            <node concept="37vLTw" id="6cGbuqO698d" role="2Oq$k0">
+                              <ref role="3cqZAo" node="Hg6Enc4WaS" resolve="result" />
+                            </node>
+                            <node concept="liA8E" id="6cGbuqO6rVq" role="2OqNvi">
+                              <ref role="37wK5l" to="psoy:5X1yxJI3E6N" resolve="allCauses" />
+                            </node>
+                          </node>
+                          <node concept="1uHKPH" id="6cGbuqO6vEY" role="2OqNvi" />
+                        </node>
+                      </node>
+                    </node>
                     <node concept="3clFbF" id="5iJsa3_eDrI" role="3cqZAp">
                       <node concept="2OqwBi" id="5iJsa3_eE_U" role="3clFbG">
                         <node concept="37vLTw" id="5iJsa3_eDrH" role="2Oq$k0">
@@ -969,13 +989,8 @@
                                 <ref role="1Px2BO" to="2gg1:~MessageStatus" resolve="MessageStatus" />
                               </node>
                               <node concept="2OqwBi" id="5iJsa3_fq44" role="37wK5m">
-                                <node concept="2OqwBi" id="5iJsa3_fpaD" role="2Oq$k0">
-                                  <node concept="37vLTw" id="5iJsa3_fo3u" role="2Oq$k0">
-                                    <ref role="3cqZAo" node="Hg6Enc4WaS" resolve="result" />
-                                  </node>
-                                  <node concept="liA8E" id="5iJsa3_fpHG" role="2OqNvi">
-                                    <ref role="37wK5l" to="psoy:5X1yxJI3vjy" resolve="cause" />
-                                  </node>
+                                <node concept="37vLTw" id="6cGbuqO698f" role="2Oq$k0">
+                                  <ref role="3cqZAo" node="6cGbuqO698b" resolve="cause" />
                                 </node>
                                 <node concept="liA8E" id="5iJsa3_fqJ7" role="2OqNvi">
                                   <ref role="37wK5l" to="wyt6:~Throwable.getMessage()" resolve="getMessage" />
@@ -4533,6 +4548,35 @@
                         </node>
                       </node>
                       <node concept="3clFbS" id="Hg6EncPqlL" role="3clF47">
+                        <node concept="3cpWs8" id="6cGbuqO3EkR" role="3cqZAp">
+                          <node concept="3cpWsn" id="6cGbuqO3EkS" role="3cpWs9">
+                            <property role="TrG5h" value="fail" />
+                            <node concept="3uibUv" id="6cGbuqO3AIZ" role="1tU5fm">
+                              <ref role="3uigEE" to="psoy:7Oc59RSEjdb" resolve="Result" />
+                            </node>
+                            <node concept="2YIFZM" id="6cGbuqO3EkT" role="33vP2m">
+                              <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
+                              <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
+                              <node concept="37vLTw" id="6cGbuqO3EkU" role="37wK5m">
+                                <ref role="3cqZAo" node="Hg6EncPqlI" resolve="thr" />
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3clFbF" id="6cGbuqO3_Qz" role="3cqZAp">
+                          <node concept="1rXfSq" id="6cGbuqO3_Q$" role="3clFbG">
+                            <ref role="37wK5l" node="7dgRGU4MD7E" resolve="updateFeedback" />
+                            <node concept="Xl_RD" id="6cGbuqO3M$5" role="37wK5m">
+                              <property role="Xl_RC" value="error" />
+                            </node>
+                            <node concept="37vLTw" id="6cGbuqO45qp" role="37wK5m">
+                              <ref role="3cqZAo" node="3bpBM3Q8EKT" resolve="lastTimestamp" />
+                            </node>
+                            <node concept="37vLTw" id="6cGbuqO3_QF" role="37wK5m">
+                              <ref role="3cqZAo" node="6cGbuqO3EkS" resolve="fail" />
+                            </node>
+                          </node>
+                        </node>
                         <node concept="3clFbF" id="4UWJfzxWa0n" role="3cqZAp">
                           <node concept="2OqwBi" id="4UWJfzxWavX" role="3clFbG">
                             <node concept="37vLTw" id="4UWJfzxWa0l" role="2Oq$k0">
@@ -4540,20 +4584,16 @@
                             </node>
                             <node concept="liA8E" id="4UWJfzxWcwa" role="2OqNvi">
                               <ref role="37wK5l" node="3MwxBzG5CRr" resolve="done" />
-                              <node concept="2OqwBi" id="4UWJfzxWdBF" role="37wK5m">
-                                <node concept="37vLTw" id="4UWJfzxWcVZ" role="2Oq$k0">
-                                  <ref role="3cqZAo" node="Hg6EncPqlI" resolve="thr" />
+                              <node concept="2OqwBi" id="6cGbuqO4Zjv" role="37wK5m">
+                                <node concept="37vLTw" id="6cGbuqO4Vmj" role="2Oq$k0">
+                                  <ref role="3cqZAo" node="1pPth$lAEQs" resolve="feedback" />
                                 </node>
-                                <node concept="liA8E" id="4UWJfzxWevZ" role="2OqNvi">
-                                  <ref role="37wK5l" to="wyt6:~Throwable.getMessage()" resolve="getMessage" />
+                                <node concept="liA8E" id="6cGbuqO532S" role="2OqNvi">
+                                  <ref role="37wK5l" to="wyt6:~StringBuilder.toString()" resolve="toString" />
                                 </node>
                               </node>
-                              <node concept="2YIFZM" id="3MwxBzG6lQa" role="37wK5m">
-                                <ref role="37wK5l" to="psoy:5X1yxJHYPm2" resolve="FAIL" />
-                                <ref role="1Pybhc" to="psoy:7Oc59RSEjdb" resolve="Result" />
-                                <node concept="37vLTw" id="3MwxBzG6mhC" role="37wK5m">
-                                  <ref role="3cqZAo" node="Hg6EncPqlI" resolve="thr" />
-                                </node>
+                              <node concept="37vLTw" id="6cGbuqO3EkV" role="37wK5m">
+                                <ref role="3cqZAo" node="6cGbuqO3EkS" resolve="fail" />
                               </node>
                             </node>
                           </node>
@@ -5082,45 +5122,49 @@
             </node>
           </node>
         </node>
-        <node concept="3cpWs8" id="3MwxBzG7o1V" role="3cqZAp">
-          <node concept="3cpWsn" id="3MwxBzG7o1W" role="3cpWs9">
+        <node concept="3cpWs8" id="6cGbuqOjfJd" role="3cqZAp">
+          <node concept="3cpWsn" id="6cGbuqOjfJe" role="3cpWs9">
             <property role="TrG5h" value="text" />
-            <node concept="17QB3L" id="3MwxBzG7o1X" role="1tU5fm" />
-            <node concept="1eOMI4" id="3MwxBzG7o1Y" role="33vP2m">
-              <node concept="3K4zz7" id="3MwxBzG7o1Z" role="1eOMHV">
-                <node concept="Xl_RD" id="3MwxBzG7o20" role="3K4GZi">
+            <node concept="17QB3L" id="6cGbuqOjfJf" role="1tU5fm" />
+            <node concept="1eOMI4" id="6cGbuqOjfJg" role="33vP2m">
+              <node concept="3K4zz7" id="6cGbuqOjfJh" role="1eOMHV">
+                <node concept="Xl_RD" id="6cGbuqOjfJi" role="3K4GZi">
                   <property role="Xl_RC" value="ERROR" />
                 </node>
-                <node concept="2OqwBi" id="3MwxBzG7o21" role="3K4Cdx">
-                  <node concept="liA8E" id="3MwxBzGb83l" role="2OqNvi">
+                <node concept="2OqwBi" id="6cGbuqOjfJj" role="3K4Cdx">
+                  <node concept="liA8E" id="6cGbuqOjfJk" role="2OqNvi">
                     <ref role="37wK5l" to="psoy:7Oc59RS_hsj" resolve="isSuccessful" />
                   </node>
-                  <node concept="37vLTw" id="3MwxBzGciDU" role="2Oq$k0">
+                  <node concept="37vLTw" id="6cGbuqOjfJl" role="2Oq$k0">
                     <ref role="3cqZAo" node="3MwxBzGc9Sa" resolve="result" />
                   </node>
                 </node>
-                <node concept="1eOMI4" id="3MwxBzG7o24" role="3K4E3e">
-                  <node concept="3K4zz7" id="3MwxBzG7o25" role="1eOMHV">
-                    <node concept="2OqwBi" id="3MwxBzG7o26" role="3K4Cdx">
-                      <node concept="liA8E" id="3MwxBzGb92Q" role="2OqNvi">
-                        <ref role="37wK5l" to="psoy:2gw7OvgCNSM" resolve="hasErrors" />
-                      </node>
-                      <node concept="37vLTw" id="3MwxBzGeVeR" role="2Oq$k0">
-                        <ref role="3cqZAo" node="3MwxBzGc9Sa" resolve="result" />
+                <node concept="1eOMI4" id="6cGbuqOjfJm" role="3K4E3e">
+                  <node concept="3K4zz7" id="6cGbuqOjfJn" role="1eOMHV">
+                    <node concept="3y3z36" id="6cGbuqOq6$T" role="3K4Cdx">
+                      <node concept="10Nm6u" id="6cGbuqOq9SY" role="3uHU7w" />
+                      <node concept="2OqwBi" id="6cGbuqOjfJo" role="3uHU7B">
+                        <node concept="liA8E" id="6cGbuqOjfJp" role="2OqNvi">
+                          <ref role="37wK5l" to="psoy:5X1yxJI3vjy" resolve="cause" />
+                        </node>
+                        <node concept="37vLTw" id="6cGbuqOjfJq" role="2Oq$k0">
+                          <ref role="3cqZAo" node="3MwxBzGc9Sa" resolve="result" />
+                        </node>
                       </node>
                     </node>
-                    <node concept="Xl_RD" id="3MwxBzG7o29" role="3K4E3e">
-                      <property role="Xl_RC" value="WARN" />
-                    </node>
-                    <node concept="Xl_RD" id="3MwxBzG7o2a" role="3K4GZi">
+                    <node concept="Xl_RD" id="6cGbuqOjfJr" role="3K4GZi">
                       <property role="Xl_RC" value="OK" />
                     </node>
+                    <node concept="Xl_RD" id="6cGbuqOk_Mu" role="3K4E3e">
+                      <property role="Xl_RC" value="WARN" />
+                    </node>
                   </node>
                 </node>
               </node>
             </node>
           </node>
         </node>
+        <node concept="3clFbH" id="6cGbuqOc_QM" role="3cqZAp" />
         <node concept="3clFbF" id="3MwxBzG7o2b" role="3cqZAp">
           <node concept="2OqwBi" id="3MwxBzG7o2c" role="3clFbG">
             <node concept="37vLTw" id="3MwxBzG7o2d" role="2Oq$k0">
@@ -5128,62 +5172,123 @@
             </node>
             <node concept="liA8E" id="3MwxBzG7o2e" role="2OqNvi">
               <ref role="37wK5l" to="wyt6:~StringBuilder.append(java.lang.String)" resolve="append" />
-              <node concept="2YIFZM" id="3MwxBzG7o2f" role="37wK5m">
+              <node concept="37vLTw" id="6cGbuqOkZNw" role="37wK5m">
+                <ref role="3cqZAo" node="6cGbuqOjfJe" resolve="text" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbJ" id="6cGbuqOl5VJ" role="3cqZAp">
+          <node concept="3clFbS" id="6cGbuqOl5VL" role="3clFbx">
+            <node concept="3clFbF" id="6cGbuqOlhGo" role="3cqZAp">
+              <node concept="2OqwBi" id="6cGbuqOlxUh" role="3clFbG">
+                <node concept="2OqwBi" id="6cGbuqOlhGp" role="2Oq$k0">
+                  <node concept="37vLTw" id="6cGbuqOlhGq" role="2Oq$k0">
+                    <ref role="3cqZAo" node="1pPth$lAEQs" resolve="feedback" />
+                  </node>
+                  <node concept="liA8E" id="6cGbuqOlhGr" role="2OqNvi">
+                    <ref role="37wK5l" to="wyt6:~StringBuilder.append(java.lang.String)" resolve="append" />
+                    <node concept="Xl_RD" id="6cGbuqOltqR" role="37wK5m">
+                      <property role="Xl_RC" value=" (" />
+                    </node>
+                  </node>
+                </node>
+                <node concept="liA8E" id="6cGbuqOl_kv" role="2OqNvi">
+                  <ref role="37wK5l" to="wyt6:~StringBuilder.append(java.lang.String)" resolve="append" />
+                  <node concept="3cpWs3" id="6cGbuqOlVVb" role="37wK5m">
+                    <node concept="2OqwBi" id="6cGbuqOlLBF" role="3uHU7B">
+                      <node concept="2OqwBi" id="6cGbuqOlFz_" role="2Oq$k0">
+                        <node concept="37vLTw" id="6cGbuqOlDfv" role="2Oq$k0">
+                          <ref role="3cqZAo" node="3MwxBzGc9Sa" resolve="result" />
+                        </node>
+                        <node concept="liA8E" id="6cGbuqOlIr8" role="2OqNvi">
+                          <ref role="37wK5l" to="psoy:5X1yxJI3E6N" resolve="allCauses" />
+                        </node>
+                      </node>
+                      <node concept="34oBXx" id="6cGbuqOlPcl" role="2OqNvi" />
+                    </node>
+                    <node concept="Xl_RD" id="6cGbuqOm6tz" role="3uHU7w">
+                      <property role="Xl_RC" value=" errors)" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="2OqwBi" id="6cGbuqOlbk7" role="3clFbw">
+            <node concept="37vLTw" id="6cGbuqOl9R5" role="2Oq$k0">
+              <ref role="3cqZAo" node="3MwxBzGc9Sa" resolve="result" />
+            </node>
+            <node concept="liA8E" id="6cGbuqOleZW" role="2OqNvi">
+              <ref role="37wK5l" to="psoy:2gw7OvgCNSM" resolve="hasErrors" />
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbF" id="6cGbuqOkP67" role="3cqZAp">
+          <node concept="2OqwBi" id="6cGbuqOkP68" role="3clFbG">
+            <node concept="37vLTw" id="6cGbuqOkP69" role="2Oq$k0">
+              <ref role="3cqZAo" node="1pPth$lAEQs" resolve="feedback" />
+            </node>
+            <node concept="liA8E" id="6cGbuqOkP6a" role="2OqNvi">
+              <ref role="37wK5l" to="wyt6:~StringBuilder.append(java.lang.String)" resolve="append" />
+              <node concept="2YIFZM" id="6cGbuqOkP6b" role="37wK5m">
                 <ref role="1Pybhc" to="wyt6:~String" resolve="String" />
                 <ref role="37wK5l" to="wyt6:~String.format(java.lang.String,java.lang.Object...)" resolve="format" />
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