diff --git a/packages/langium/src/grammar/generated/grammar.ts b/packages/langium/src/grammar/generated/grammar.ts
index 2d84cf66e..605ce2686 100644
--- a/packages/langium/src/grammar/generated/grammar.ts
+++ b/packages/langium/src/grammar/generated/grammar.ts
@@ -38,7 +38,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                 "terminal": {
                   "$type": "RuleCall",
                   "rule": {
-                    "$ref": "#/rules@60"
+                    "$ref": "#/rules@59"
                   },
                   "arguments": []
                 }
@@ -62,7 +62,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                       "terminal": {
                         "$type": "RuleCall",
                         "rule": {
-                          "$ref": "#/rules@60"
+                          "$ref": "#/rules@59"
                         },
                         "arguments": []
                       },
@@ -88,7 +88,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                           "terminal": {
                             "$type": "RuleCall",
                             "rule": {
-                              "$ref": "#/rules@60"
+                              "$ref": "#/rules@59"
                             },
                             "arguments": []
                           },
@@ -132,7 +132,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                           "terminal": {
                             "$type": "RuleCall",
                             "rule": {
-                              "$ref": "#/rules@60"
+                              "$ref": "#/rules@59"
                             },
                             "arguments": []
                           },
@@ -158,7 +158,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                               "terminal": {
                                 "$type": "RuleCall",
                                 "rule": {
-                                  "$ref": "#/rules@60"
+                                  "$ref": "#/rules@59"
                                 },
                                 "arguments": []
                               },
@@ -261,7 +261,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@60"
+                "$ref": "#/rules@59"
               },
               "arguments": []
             }
@@ -285,7 +285,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                   "terminal": {
                     "$type": "RuleCall",
                     "rule": {
-                      "$ref": "#/rules@60"
+                      "$ref": "#/rules@59"
                     },
                     "arguments": []
                   },
@@ -311,7 +311,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                       "terminal": {
                         "$type": "RuleCall",
                         "rule": {
-                          "$ref": "#/rules@60"
+                          "$ref": "#/rules@59"
                         },
                         "arguments": []
                       },
@@ -394,7 +394,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@59"
+                "$ref": "#/rules@58"
               },
               "arguments": []
             }
@@ -677,7 +677,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                       "terminal": {
                         "$type": "RuleCall",
                         "rule": {
-                          "$ref": "#/rules@60"
+                          "$ref": "#/rules@59"
                         },
                         "arguments": []
                       },
@@ -703,7 +703,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                     "terminal": {
                       "$type": "RuleCall",
                       "rule": {
-                        "$ref": "#/rules@61"
+                        "$ref": "#/rules@60"
                       },
                       "arguments": []
                     }
@@ -774,7 +774,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@60"
+                "$ref": "#/rules@59"
               },
               "arguments": []
             }
@@ -855,7 +855,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@61"
+                "$ref": "#/rules@60"
               },
               "arguments": []
             }
@@ -945,7 +945,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                           "terminal": {
                             "$type": "RuleCall",
                             "rule": {
-                              "$ref": "#/rules@60"
+                              "$ref": "#/rules@59"
                             },
                             "arguments": []
                           },
@@ -1023,7 +1023,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                       "terminal": {
                         "$type": "RuleCall",
                         "rule": {
-                          "$ref": "#/rules@60"
+                          "$ref": "#/rules@59"
                         },
                         "arguments": []
                       },
@@ -1049,7 +1049,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                           "terminal": {
                             "$type": "RuleCall",
                             "rule": {
-                              "$ref": "#/rules@60"
+                              "$ref": "#/rules@59"
                             },
                             "arguments": []
                           },
@@ -1155,7 +1155,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@60"
+                "$ref": "#/rules@59"
               },
               "arguments": []
             }
@@ -1182,7 +1182,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@60"
+                "$ref": "#/rules@59"
               },
               "arguments": []
             }
@@ -1259,7 +1259,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
         "terminal": {
           "$type": "RuleCall",
           "rule": {
-            "$ref": "#/rules@60"
+            "$ref": "#/rules@59"
           },
           "arguments": []
         }
@@ -1652,7 +1652,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                   "terminal": {
                     "$type": "RuleCall",
                     "rule": {
-                      "$ref": "#/rules@60"
+                      "$ref": "#/rules@59"
                     },
                     "arguments": []
                   },
@@ -1696,7 +1696,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                 "terminal": {
                   "$type": "RuleCall",
                   "rule": {
-                    "$ref": "#/rules@59"
+                    "$ref": "#/rules@58"
                   },
                   "arguments": []
                 }
@@ -1810,7 +1810,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
         "terminal": {
           "$type": "RuleCall",
           "rule": {
-            "$ref": "#/rules@61"
+            "$ref": "#/rules@60"
           },
           "arguments": []
         }
@@ -1840,7 +1840,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
               "terminal": {
                 "$type": "RuleCall",
                 "rule": {
-                  "$ref": "#/rules@60"
+                  "$ref": "#/rules@59"
                 },
                 "arguments": []
               },
@@ -1925,7 +1925,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                   "terminal": {
                     "$type": "RuleCall",
                     "rule": {
-                      "$ref": "#/rules@60"
+                      "$ref": "#/rules@59"
                     },
                     "arguments": []
                   },
@@ -2250,7 +2250,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
           "terminal": {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@60"
+              "$ref": "#/rules@59"
             },
             "arguments": []
           },
@@ -2294,7 +2294,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@61"
+                "$ref": "#/rules@60"
               },
               "arguments": []
             }
@@ -2343,7 +2343,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
               "terminal": {
                 "$type": "RuleCall",
                 "rule": {
-                  "$ref": "#/rules@60"
+                  "$ref": "#/rules@59"
                 },
                 "arguments": []
               },
@@ -2445,7 +2445,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@59"
+                "$ref": "#/rules@58"
               },
               "arguments": []
             }
@@ -2858,7 +2858,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@60"
+                "$ref": "#/rules@59"
               },
               "arguments": []
             }
@@ -2914,7 +2914,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                     "terminal": {
                       "$type": "RuleCall",
                       "rule": {
-                        "$ref": "#/rules@60"
+                        "$ref": "#/rules@59"
                       },
                       "arguments": []
                     }
@@ -2931,7 +2931,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                     "terminal": {
                       "$type": "RuleCall",
                       "rule": {
-                        "$ref": "#/rules@60"
+                        "$ref": "#/rules@59"
                       },
                       "arguments": []
                     }
@@ -2973,7 +2973,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@48"
+                "$ref": "#/rules@47"
               },
               "arguments": []
             }
@@ -3004,7 +3004,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@49"
+              "$ref": "#/rules@48"
             },
             "arguments": []
           },
@@ -3031,7 +3031,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                 "terminal": {
                   "$type": "RuleCall",
                   "rule": {
-                    "$ref": "#/rules@49"
+                    "$ref": "#/rules@48"
                   },
                   "arguments": []
                 }
@@ -3061,7 +3061,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@50"
+              "$ref": "#/rules@49"
             },
             "arguments": []
           },
@@ -3084,7 +3084,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
                 "terminal": {
                   "$type": "RuleCall",
                   "rule": {
-                    "$ref": "#/rules@50"
+                    "$ref": "#/rules@49"
                   },
                   "arguments": []
                 },
@@ -3115,7 +3115,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@51"
+              "$ref": "#/rules@50"
             },
             "arguments": []
           },
@@ -3164,49 +3164,49 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@58"
+              "$ref": "#/rules@57"
             },
             "arguments": []
           },
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@53"
+              "$ref": "#/rules@52"
             },
             "arguments": []
           },
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@52"
+              "$ref": "#/rules@51"
             },
             "arguments": []
           },
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@54"
+              "$ref": "#/rules@53"
             },
             "arguments": []
           },
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@55"
+              "$ref": "#/rules@54"
             },
             "arguments": []
           },
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@56"
+              "$ref": "#/rules@55"
             },
             "arguments": []
           },
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@57"
+              "$ref": "#/rules@56"
             },
             "arguments": []
           }
@@ -3236,7 +3236,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@48"
+              "$ref": "#/rules@47"
             },
             "arguments": []
           },
@@ -3282,7 +3282,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
               "terminal": {
                 "$type": "RuleCall",
                 "rule": {
-                  "$ref": "#/rules@60"
+                  "$ref": "#/rules@59"
                 },
                 "arguments": []
               },
@@ -3326,7 +3326,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@51"
+                "$ref": "#/rules@50"
               },
               "arguments": []
             }
@@ -3368,7 +3368,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@51"
+                "$ref": "#/rules@50"
               },
               "arguments": []
             }
@@ -3406,7 +3406,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
             "terminal": {
               "$type": "RuleCall",
               "rule": {
-                "$ref": "#/rules@47"
+                "$ref": "#/rules@61"
               },
               "arguments": []
             }
@@ -3591,7 +3591,7 @@ export const LangiumGrammarGrammar = (): Grammar => loadedLangiumGrammarGrammar
           {
             "$type": "RuleCall",
             "rule": {
-              "$ref": "#/rules@60"
+              "$ref": "#/rules@59"
             },
             "arguments": []
           }