diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
index fc8bcb6c..2527facd 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
@@ -14154,6 +14154,88 @@
             </node>
           </node>
         </node>
+        <node concept="3clFbH" id="KkWtiLTxDT" role="3cqZAp" />
+        <node concept="1nLNNL" id="KkWtiLTx$V" role="3cqZAp">
+          <node concept="1nLNMm" id="KkWtiLTx$W" role="1nLNNK">
+            <node concept="3Aq93q" id="KkWtiLTx$X" role="1nLNMb">
+              <node concept="3I6sU6" id="KkWtiLTx$Y" role="3Ip0Jz">
+                <node concept="3I6s7M" id="KkWtiLTx$Z" role="3I6sU7">
+                  <node concept="3Aqt3T" id="KkWtiLTx_0" role="3I6s78">
+                    <ref role="3AqCNq" node="3vTJNooZDgN" resolve="convertsTo" />
+                    <node concept="1HFMs5" id="KkWtiLTx_1" role="3AunhB">
+                      <node concept="a7P8L" id="KkWtiLTx_2" role="1uarlU">
+                        <ref role="a7OzE" node="KkWtiLTx_b" resolve="StrT" />
+                      </node>
+                      <node concept="ns1u0" id="KkWtiLTx_3" role="1uarlW">
+                        <ref role="ns1xF" node="2HYHa0WV2R$" resolve="string" />
+                      </node>
+                    </node>
+                    <node concept="1HFMs5" id="KkWtiLTx_4" role="3AunhB">
+                      <node concept="a7P8L" id="KkWtiLTx_5" role="1uarlU">
+                        <ref role="a7OzE" node="KkWtiLTx_c" resolve="ClsT" />
+                      </node>
+                      <node concept="ns1u0" id="KkWtiLTx_6" role="1uarlW">
+                        <ref role="ns1xF" node="JOGAOsVt2a" resolve="classifier" />
+                      </node>
+                    </node>
+                    <node concept="a7P8L" id="KkWtiLTx_9" role="3AunhB">
+                      <ref role="a7OzE" node="KkWtiLTx_i" resolve="Options" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3NuqgR" id="KkWtiLTx_a" role="0Rg$4">
+              <node concept="aZer4" id="KkWtiLTx_b" role="3XD1gS">
+                <property role="TrG5h" value="StrT" />
+              </node>
+              <node concept="aZer4" id="KkWtiLTx_c" role="3XD1gS">
+                <property role="TrG5h" value="ClsT" />
+              </node>
+              <node concept="32pEOW" id="KkWtiLTx_d" role="3vLBG7" />
+            </node>
+            <node concept="3NuqgR" id="KkWtiLTx_e" role="0Rg$4">
+              <node concept="aZer4" id="KkWtiLTx_f" role="3XD1gS">
+                <property role="TrG5h" value="Cls" />
+              </node>
+              <node concept="3Tqbb2" id="KkWtiLTx_g" role="3vLBG7" />
+            </node>
+            <node concept="3NuqgR" id="KkWtiLTx_h" role="0Rg$4">
+              <node concept="aZer4" id="KkWtiLTx_i" role="3XD1gS">
+                <property role="TrG5h" value="Options" />
+              </node>
+              <node concept="3uibUv" id="KkWtiLTx_j" role="3vLBG7">
+                <ref role="3uigEE" node="3vTJNooZBhQ" resolve="ConvertsContext.Options" />
+              </node>
+            </node>
+            <node concept="3xSepi" id="KkWtiLTx_k" role="3xSepv">
+              <node concept="3Aq9E8" id="KkWtiLTx_l" role="3xSepj">
+                <node concept="3I6sU6" id="KkWtiLTx_m" role="3Ip0Jz">
+                  <node concept="3I6s7M" id="KkWtiLTx_n" role="3I6sU7">
+                    <node concept="3Aqt3T" id="KkWtiLTx_o" role="3I6s78">
+                      <ref role="3AqCNq" node="3vTJNooZDgN" resolve="convertsTo" />
+                      <node concept="ns1u0" id="KkWtiLTx_q" role="3AunhB">
+                        <ref role="ns1xF" node="JOGAOsVt2a" resolve="classifier" />
+                        <node concept="nsMwS" id="KkWtiLTx_r" role="ns1xD">
+                          <ref role="nsMwP" node="JOGAOsVt2c" resolve="classifier" />
+                          <node concept="h$QuP" id="KkWtiLTx_s" role="iSaTp">
+                            <ref role="h$OrH" to="wyt6:~String" resolve="String" />
+                          </node>
+                        </node>
+                      </node>
+                      <node concept="a7P8L" id="KkWtiLTx_p" role="3AunhB">
+                        <ref role="a7OzE" node="KkWtiLTx_c" resolve="ClsT" />
+                      </node>
+                      <node concept="a7P8L" id="KkWtiLTx_t" role="3AunhB">
+                        <ref role="a7OzE" node="KkWtiLTx_i" resolve="Options" />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
       </node>
     </node>
     <node concept="1nLNMY" id="4dm7SwSiEfX" role="1nK1Vg">