diff --git a/test/adapter/json/aasJSONSchema.json b/test/adapter/json/aasJSONSchema.json
new file mode 100644
index 000000000..f48db4d17
--- /dev/null
+++ b/test/adapter/json/aasJSONSchema.json
@@ -0,0 +1,1528 @@
+{
+  "$schema": "https://json-schema.org/draft/2019-09/schema",
+  "title": "AssetAdministrationShellEnvironment",
+  "type": "object",
+  "allOf": [
+    {
+      "$ref": "#/definitions/Environment"
+    }
+  ],
+  "$id": "https://admin-shell.io/aas/3/0",
+  "definitions": {
+    "AasSubmodelElements": {
+      "type": "string",
+      "enum": [
+        "AnnotatedRelationshipElement",
+        "BasicEventElement",
+        "Blob",
+        "Capability",
+        "DataElement",
+        "Entity",
+        "EventElement",
+        "File",
+        "MultiLanguageProperty",
+        "Operation",
+        "Property",
+        "Range",
+        "ReferenceElement",
+        "RelationshipElement",
+        "SubmodelElement",
+        "SubmodelElementCollection",
+        "SubmodelElementList"
+      ]
+    },
+    "AbstractLangString": {
+      "type": "object",
+      "properties": {
+        "language": {
+          "type": "string",
+          "pattern": "^(([a-zA-Z]{2,3}(-[a-zA-Z]{3}(-[a-zA-Z]{3}){2})?|[a-zA-Z]{4}|[a-zA-Z]{5,8})(-[a-zA-Z]{4})?(-([a-zA-Z]{2}|[0-9]{3}))?(-(([a-zA-Z0-9]){5,8}|[0-9]([a-zA-Z0-9]){3}))*(-[0-9A-WY-Za-wy-z](-([a-zA-Z0-9]){2,8})+)*(-[xX](-([a-zA-Z0-9]){1,8})+)?|[xX](-([a-zA-Z0-9]){1,8})+|((en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)|(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)))$"
+        },
+        "text": {
+          "type": "string",
+          "minLength": 1,
+          "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+        }
+      },
+      "required": [
+        "language",
+        "text"
+      ]
+    },
+    "AdministrativeInformation": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/HasDataSpecification"
+        },
+        {
+          "properties": {
+            "version": {
+              "type": "string",
+              "allOf": [
+                {
+                  "minLength": 1,
+                  "maxLength": 4
+                },
+                {
+                  "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+                },
+                {
+                  "pattern": "^(0|[1-9][0-9]*)$"
+                }
+              ]
+            },
+            "revision": {
+              "type": "string",
+              "allOf": [
+                {
+                  "minLength": 1,
+                  "maxLength": 4
+                },
+                {
+                  "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+                },
+                {
+                  "pattern": "^(0|[1-9][0-9]*)$"
+                }
+              ]
+            },
+            "creator": {
+              "$ref": "#/definitions/Reference"
+            },
+            "templateId": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 2000,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            }
+          }
+        }
+      ]
+    },
+    "AnnotatedRelationshipElement": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/RelationshipElement_abstract"
+        },
+        {
+          "properties": {
+            "annotations": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/DataElement_choice"
+              },
+              "minItems": 1
+            },
+            "modelType": {
+              "const": "AnnotatedRelationshipElement"
+            }
+          }
+        }
+      ]
+    },
+    "AssetAdministrationShell": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/Identifiable"
+        },
+        {
+          "$ref": "#/definitions/HasDataSpecification"
+        },
+        {
+          "properties": {
+            "derivedFrom": {
+              "$ref": "#/definitions/Reference"
+            },
+            "assetInformation": {
+              "$ref": "#/definitions/AssetInformation"
+            },
+            "submodels": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/Reference"
+              },
+              "minItems": 1
+            },
+            "modelType": {
+              "const": "AssetAdministrationShell"
+            }
+          },
+          "required": [
+            "assetInformation"
+          ]
+        }
+      ]
+    },
+    "AssetInformation": {
+      "type": "object",
+      "properties": {
+        "assetKind": {
+          "$ref": "#/definitions/AssetKind"
+        },
+        "globalAssetId": {
+          "type": "string",
+          "minLength": 1,
+          "maxLength": 2000,
+          "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+        },
+        "specificAssetIds": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/SpecificAssetId"
+          },
+          "minItems": 1
+        },
+        "assetType": {
+          "type": "string",
+          "minLength": 1,
+          "maxLength": 2000,
+          "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+        },
+        "defaultThumbnail": {
+          "$ref": "#/definitions/Resource"
+        }
+      },
+      "required": [
+        "assetKind"
+      ]
+    },
+    "AssetKind": {
+      "type": "string",
+      "enum": [
+        "Instance",
+        "NotApplicable",
+        "Type"
+      ]
+    },
+    "BasicEventElement": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/EventElement"
+        },
+        {
+          "properties": {
+            "observed": {
+              "$ref": "#/definitions/Reference"
+            },
+            "direction": {
+              "$ref": "#/definitions/Direction"
+            },
+            "state": {
+              "$ref": "#/definitions/StateOfEvent"
+            },
+            "messageTopic": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 255,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "messageBroker": {
+              "$ref": "#/definitions/Reference"
+            },
+            "lastUpdate": {
+              "type": "string",
+              "pattern": "^-?(([1-9][0-9][0-9][0-9]+)|(0[0-9][0-9][0-9]))-((0[1-9])|(1[0-2]))-((0[1-9])|([12][0-9])|(3[01]))T(((([01][0-9])|(2[0-3])):[0-5][0-9]:([0-5][0-9])(\\.[0-9]+)?)|24:00:00(\\.0+)?)(Z|\\+00:00|-00:00)$"
+            },
+            "minInterval": {
+              "type": "string",
+              "pattern": "^-?P((([0-9]+Y([0-9]+M)?([0-9]+D)?|([0-9]+M)([0-9]+D)?|([0-9]+D))(T(([0-9]+H)([0-9]+M)?([0-9]+(\\.[0-9]+)?S)?|([0-9]+M)([0-9]+(\\.[0-9]+)?S)?|([0-9]+(\\.[0-9]+)?S)))?)|(T(([0-9]+H)([0-9]+M)?([0-9]+(\\.[0-9]+)?S)?|([0-9]+M)([0-9]+(\\.[0-9]+)?S)?|([0-9]+(\\.[0-9]+)?S))))$"
+            },
+            "maxInterval": {
+              "type": "string",
+              "pattern": "^-?P((([0-9]+Y([0-9]+M)?([0-9]+D)?|([0-9]+M)([0-9]+D)?|([0-9]+D))(T(([0-9]+H)([0-9]+M)?([0-9]+(\\.[0-9]+)?S)?|([0-9]+M)([0-9]+(\\.[0-9]+)?S)?|([0-9]+(\\.[0-9]+)?S)))?)|(T(([0-9]+H)([0-9]+M)?([0-9]+(\\.[0-9]+)?S)?|([0-9]+M)([0-9]+(\\.[0-9]+)?S)?|([0-9]+(\\.[0-9]+)?S))))$"
+            },
+            "modelType": {
+              "const": "BasicEventElement"
+            }
+          },
+          "required": [
+            "observed",
+            "direction",
+            "state"
+          ]
+        }
+      ]
+    },
+    "Blob": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DataElement"
+        },
+        {
+          "properties": {
+            "value": {
+              "type": "string",
+              "contentEncoding": "base64"
+            },
+            "contentType": {
+              "type": "string",
+              "allOf": [
+                {
+                  "minLength": 1,
+                  "maxLength": 100
+                },
+                {
+                  "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+                },
+                {
+                  "pattern": "^([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+/([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+([ \\t]*;[ \\t]*([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+=(([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+|\"(([\\t !#-\\[\\]-~]|[\u0080-\u00ff])|\\\\([\\t !-~]|[\u0080-\u00ff]))*\"))*$"
+                }
+              ]
+            },
+            "modelType": {
+              "const": "Blob"
+            }
+          },
+          "required": [
+            "contentType"
+          ]
+        }
+      ]
+    },
+    "Capability": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/SubmodelElement"
+        },
+        {
+          "properties": {
+            "modelType": {
+              "const": "Capability"
+            }
+          }
+        }
+      ]
+    },
+    "ConceptDescription": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/Identifiable"
+        },
+        {
+          "$ref": "#/definitions/HasDataSpecification"
+        },
+        {
+          "properties": {
+            "isCaseOf": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/Reference"
+              },
+              "minItems": 1
+            },
+            "modelType": {
+              "const": "ConceptDescription"
+            }
+          }
+        }
+      ]
+    },
+    "DataElement": {
+      "$ref": "#/definitions/SubmodelElement"
+    },
+    "DataElement_choice": {
+      "oneOf": [
+        {
+          "$ref": "#/definitions/Blob"
+        },
+        {
+          "$ref": "#/definitions/File"
+        },
+        {
+          "$ref": "#/definitions/MultiLanguageProperty"
+        },
+        {
+          "$ref": "#/definitions/Property"
+        },
+        {
+          "$ref": "#/definitions/Range"
+        },
+        {
+          "$ref": "#/definitions/ReferenceElement"
+        }
+      ]
+    },
+    "DataSpecificationContent": {
+      "type": "object",
+      "properties": {
+        "modelType": {
+          "$ref": "#/definitions/ModelType"
+        }
+      },
+      "required": [
+        "modelType"
+      ]
+    },
+    "DataSpecificationContent_choice": {
+      "oneOf": [
+        {
+          "$ref": "#/definitions/DataSpecificationIec61360"
+        }
+      ]
+    },
+    "DataSpecificationIec61360": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DataSpecificationContent"
+        },
+        {
+          "properties": {
+            "preferredName": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/LangStringPreferredNameTypeIec61360"
+              },
+              "minItems": 1
+            },
+            "shortName": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/LangStringShortNameTypeIec61360"
+              },
+              "minItems": 1
+            },
+            "unit": {
+              "type": "string",
+              "minLength": 1,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "unitId": {
+              "$ref": "#/definitions/Reference"
+            },
+            "sourceOfDefinition": {
+              "type": "string",
+              "minLength": 1,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "symbol": {
+              "type": "string",
+              "minLength": 1,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "dataType": {
+              "$ref": "#/definitions/DataTypeIec61360"
+            },
+            "definition": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/LangStringDefinitionTypeIec61360"
+              },
+              "minItems": 1
+            },
+            "valueFormat": {
+              "type": "string",
+              "minLength": 1,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "valueList": {
+              "$ref": "#/definitions/ValueList"
+            },
+            "value": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 2000,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "levelType": {
+              "$ref": "#/definitions/LevelType"
+            },
+            "modelType": {
+              "const": "DataSpecificationIec61360"
+            }
+          },
+          "required": [
+            "preferredName"
+          ]
+        }
+      ]
+    },
+    "DataTypeDefXsd": {
+      "type": "string",
+      "enum": [
+        "xs:anyURI",
+        "xs:base64Binary",
+        "xs:boolean",
+        "xs:byte",
+        "xs:date",
+        "xs:dateTime",
+        "xs:decimal",
+        "xs:double",
+        "xs:duration",
+        "xs:float",
+        "xs:gDay",
+        "xs:gMonth",
+        "xs:gMonthDay",
+        "xs:gYear",
+        "xs:gYearMonth",
+        "xs:hexBinary",
+        "xs:int",
+        "xs:integer",
+        "xs:long",
+        "xs:negativeInteger",
+        "xs:nonNegativeInteger",
+        "xs:nonPositiveInteger",
+        "xs:positiveInteger",
+        "xs:short",
+        "xs:string",
+        "xs:time",
+        "xs:unsignedByte",
+        "xs:unsignedInt",
+        "xs:unsignedLong",
+        "xs:unsignedShort"
+      ]
+    },
+    "DataTypeIec61360": {
+      "type": "string",
+      "enum": [
+        "BLOB",
+        "BOOLEAN",
+        "DATE",
+        "FILE",
+        "HTML",
+        "INTEGER_COUNT",
+        "INTEGER_CURRENCY",
+        "INTEGER_MEASURE",
+        "IRDI",
+        "IRI",
+        "RATIONAL",
+        "RATIONAL_MEASURE",
+        "REAL_COUNT",
+        "REAL_CURRENCY",
+        "REAL_MEASURE",
+        "STRING",
+        "STRING_TRANSLATABLE",
+        "TIME",
+        "TIMESTAMP"
+      ]
+    },
+    "Direction": {
+      "type": "string",
+      "enum": [
+        "input",
+        "output"
+      ]
+    },
+    "EmbeddedDataSpecification": {
+      "type": "object",
+      "properties": {
+        "dataSpecification": {
+          "$ref": "#/definitions/Reference"
+        },
+        "dataSpecificationContent": {
+          "$ref": "#/definitions/DataSpecificationContent_choice"
+        }
+      },
+      "required": [
+        "dataSpecification",
+        "dataSpecificationContent"
+      ]
+    },
+    "Entity": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/SubmodelElement"
+        },
+        {
+          "properties": {
+            "statements": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/SubmodelElement_choice"
+              },
+              "minItems": 1
+            },
+            "entityType": {
+              "$ref": "#/definitions/EntityType"
+            },
+            "globalAssetId": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 2000,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "specificAssetIds": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/SpecificAssetId"
+              },
+              "minItems": 1
+            },
+            "modelType": {
+              "const": "Entity"
+            }
+          },
+          "required": [
+            "entityType"
+          ]
+        }
+      ]
+    },
+    "EntityType": {
+      "type": "string",
+      "enum": [
+        "CoManagedEntity",
+        "SelfManagedEntity"
+      ]
+    },
+    "Environment": {
+      "type": "object",
+      "properties": {
+        "assetAdministrationShells": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/AssetAdministrationShell"
+          },
+          "minItems": 1
+        },
+        "submodels": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/Submodel"
+          },
+          "minItems": 1
+        },
+        "conceptDescriptions": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/ConceptDescription"
+          },
+          "minItems": 1
+        }
+      }
+    },
+    "EventElement": {
+      "$ref": "#/definitions/SubmodelElement"
+    },
+    "EventPayload": {
+      "type": "object",
+      "properties": {
+        "source": {
+          "$ref": "#/definitions/Reference"
+        },
+        "sourceSemanticId": {
+          "$ref": "#/definitions/Reference"
+        },
+        "observableReference": {
+          "$ref": "#/definitions/Reference"
+        },
+        "observableSemanticId": {
+          "$ref": "#/definitions/Reference"
+        },
+        "topic": {
+          "type": "string",
+          "minLength": 1,
+          "maxLength": 255,
+          "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+        },
+        "subjectId": {
+          "$ref": "#/definitions/Reference"
+        },
+        "timeStamp": {
+          "type": "string",
+          "pattern": "^-?(([1-9][0-9][0-9][0-9]+)|(0[0-9][0-9][0-9]))-((0[1-9])|(1[0-2]))-((0[1-9])|([12][0-9])|(3[01]))T(((([01][0-9])|(2[0-3])):[0-5][0-9]:([0-5][0-9])(\\.[0-9]+)?)|24:00:00(\\.0+)?)(Z|\\+00:00|-00:00)$"
+        },
+        "payload": {
+          "type": "string",
+          "contentEncoding": "base64"
+        }
+      },
+      "required": [
+        "source",
+        "observableReference",
+        "timeStamp"
+      ]
+    },
+    "Extension": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/HasSemantics"
+        },
+        {
+          "properties": {
+            "name": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 128,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "valueType": {
+              "$ref": "#/definitions/DataTypeDefXsd"
+            },
+            "value": {
+              "type": "string"
+            },
+            "refersTo": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/Reference"
+              },
+              "minItems": 1
+            }
+          },
+          "required": [
+            "name"
+          ]
+        }
+      ]
+    },
+    "File": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DataElement"
+        },
+        {
+          "properties": {
+            "value": {
+              "type": "string"
+            },
+            "contentType": {
+              "type": "string",
+              "allOf": [
+                {
+                  "minLength": 1,
+                  "maxLength": 100
+                },
+                {
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+                },
+                {
+                  "pattern": "^([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+/([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+([ \\t]*;[ \\t]*([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+=(([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+|\"(([\\t !#-\\[\\]-~]|[\u0080-\u00ff])|\\\\([\\t !-~]|[\u0080-\u00ff]))*\"))*$"
+                }
+              ]
+            },
+            "modelType": {
+              "const": "File"
+            }
+          },
+          "required": [
+            "contentType"
+          ]
+        }
+      ]
+    },
+    "HasDataSpecification": {
+      "type": "object",
+      "properties": {
+        "embeddedDataSpecifications": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/EmbeddedDataSpecification"
+          },
+          "minItems": 1
+        }
+      }
+    },
+    "HasExtensions": {
+      "type": "object",
+      "properties": {
+        "extensions": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/Extension"
+          },
+          "minItems": 1
+        }
+      }
+    },
+    "HasKind": {
+      "type": "object",
+      "properties": {
+        "kind": {
+          "$ref": "#/definitions/ModellingKind"
+        }
+      }
+    },
+    "HasSemantics": {
+      "type": "object",
+      "properties": {
+        "semanticId": {
+          "$ref": "#/definitions/Reference"
+        },
+        "supplementalSemanticIds": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/Reference"
+          },
+          "minItems": 1
+        }
+      }
+    },
+    "Identifiable": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/Referable"
+        },
+        {
+          "properties": {
+            "administration": {
+              "$ref": "#/definitions/AdministrativeInformation"
+            },
+            "id": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 2000,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            }
+          },
+          "required": [
+            "id"
+          ]
+        }
+      ]
+    },
+    "Key": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "$ref": "#/definitions/KeyTypes"
+        },
+        "value": {
+          "type": "string",
+          "minLength": 1,
+          "maxLength": 2000,
+          "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+        }
+      },
+      "required": [
+        "type",
+        "value"
+      ]
+    },
+    "KeyTypes": {
+      "type": "string",
+      "enum": [
+        "AnnotatedRelationshipElement",
+        "AssetAdministrationShell",
+        "BasicEventElement",
+        "Blob",
+        "Capability",
+        "ConceptDescription",
+        "DataElement",
+        "Entity",
+        "EventElement",
+        "File",
+        "FragmentReference",
+        "GlobalReference",
+        "Identifiable",
+        "MultiLanguageProperty",
+        "Operation",
+        "Property",
+        "Range",
+        "Referable",
+        "ReferenceElement",
+        "RelationshipElement",
+        "Submodel",
+        "SubmodelElement",
+        "SubmodelElementCollection",
+        "SubmodelElementList"
+      ]
+    },
+    "LangStringDefinitionTypeIec61360": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/AbstractLangString"
+        },
+        {
+          "properties": {
+            "text": {
+              "maxLength": 1023
+            }
+          }
+        }
+      ]
+    },
+    "LangStringNameType": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/AbstractLangString"
+        },
+        {
+          "properties": {
+            "text": {
+              "maxLength": 128
+            }
+          }
+        }
+      ]
+    },
+    "LangStringPreferredNameTypeIec61360": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/AbstractLangString"
+        },
+        {
+          "properties": {
+            "text": {
+              "maxLength": 255
+            }
+          }
+        }
+      ]
+    },
+    "LangStringShortNameTypeIec61360": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/AbstractLangString"
+        },
+        {
+          "properties": {
+            "text": {
+              "maxLength": 18
+            }
+          }
+        }
+      ]
+    },
+    "LangStringTextType": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/AbstractLangString"
+        },
+        {
+          "properties": {
+            "text": {
+              "maxLength": 1023
+            }
+          }
+        }
+      ]
+    },
+    "LevelType": {
+      "type": "object",
+      "properties": {
+        "min": {
+          "type": "boolean"
+        },
+        "nom": {
+          "type": "boolean"
+        },
+        "typ": {
+          "type": "boolean"
+        },
+        "max": {
+          "type": "boolean"
+        }
+      },
+      "required": [
+        "min",
+        "nom",
+        "typ",
+        "max"
+      ]
+    },
+    "ModelType": {
+      "type": "string",
+      "enum": [
+        "AnnotatedRelationshipElement",
+        "AssetAdministrationShell",
+        "BasicEventElement",
+        "Blob",
+        "Capability",
+        "ConceptDescription",
+        "DataSpecificationIec61360",
+        "Entity",
+        "File",
+        "MultiLanguageProperty",
+        "Operation",
+        "Property",
+        "Range",
+        "ReferenceElement",
+        "RelationshipElement",
+        "Submodel",
+        "SubmodelElementCollection",
+        "SubmodelElementList"
+      ]
+    },
+    "ModellingKind": {
+      "type": "string",
+      "enum": [
+        "Instance",
+        "Template"
+      ]
+    },
+    "MultiLanguageProperty": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DataElement"
+        },
+        {
+          "properties": {
+            "value": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/LangStringTextType"
+              },
+              "minItems": 1
+            },
+            "valueId": {
+              "$ref": "#/definitions/Reference"
+            },
+            "modelType": {
+              "const": "MultiLanguageProperty"
+            }
+          }
+        }
+      ]
+    },
+    "Operation": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/SubmodelElement"
+        },
+        {
+          "properties": {
+            "inputVariables": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/OperationVariable"
+              },
+              "minItems": 1
+            },
+            "outputVariables": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/OperationVariable"
+              },
+              "minItems": 1
+            },
+            "inoutputVariables": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/OperationVariable"
+              },
+              "minItems": 1
+            },
+            "modelType": {
+              "const": "Operation"
+            }
+          }
+        }
+      ]
+    },
+    "OperationVariable": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "$ref": "#/definitions/SubmodelElement_choice"
+        }
+      },
+      "required": [
+        "value"
+      ]
+    },
+    "Property": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DataElement"
+        },
+        {
+          "properties": {
+            "valueType": {
+              "$ref": "#/definitions/DataTypeDefXsd"
+            },
+            "value": {
+              "type": "string"
+            },
+            "valueId": {
+              "$ref": "#/definitions/Reference"
+            },
+            "modelType": {
+              "const": "Property"
+            }
+          },
+          "required": [
+            "valueType"
+          ]
+        }
+      ]
+    },
+    "Qualifiable": {
+      "type": "object",
+      "properties": {
+        "qualifiers": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/Qualifier"
+          },
+          "minItems": 1
+        },
+        "modelType": {
+          "$ref": "#/definitions/ModelType"
+        }
+      },
+      "required": [
+        "modelType"
+      ]
+    },
+    "Qualifier": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/HasSemantics"
+        },
+        {
+          "properties": {
+            "kind": {
+              "$ref": "#/definitions/QualifierKind"
+            },
+            "type": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 128,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "valueType": {
+              "$ref": "#/definitions/DataTypeDefXsd"
+            },
+            "value": {
+              "type": "string"
+            },
+            "valueId": {
+              "$ref": "#/definitions/Reference"
+            }
+          },
+          "required": [
+            "type",
+            "valueType"
+          ]
+        }
+      ]
+    },
+    "QualifierKind": {
+      "type": "string",
+      "enum": [
+        "ConceptQualifier",
+        "TemplateQualifier",
+        "ValueQualifier"
+      ]
+    },
+    "Range": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DataElement"
+        },
+        {
+          "properties": {
+            "valueType": {
+              "$ref": "#/definitions/DataTypeDefXsd"
+            },
+            "min": {
+              "type": "string"
+            },
+            "max": {
+              "type": "string"
+            },
+            "modelType": {
+              "const": "Range"
+            }
+          },
+          "required": [
+            "valueType"
+          ]
+        }
+      ]
+    },
+    "Referable": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/HasExtensions"
+        },
+        {
+          "properties": {
+            "category": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 128,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "idShort": {
+              "type": "string",
+              "allOf": [
+                {
+                  "minLength": 1,
+                  "maxLength": 128
+                },
+                {
+                  "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+                },
+                {
+                  "pattern": "^[a-zA-Z][a-zA-Z0-9_]*$"
+                }
+              ]
+            },
+            "displayName": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/LangStringNameType"
+              },
+              "minItems": 1
+            },
+            "description": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/LangStringTextType"
+              },
+              "minItems": 1
+            },
+            "modelType": {
+              "$ref": "#/definitions/ModelType"
+            }
+          },
+          "required": [
+            "modelType"
+          ]
+        }
+      ]
+    },
+    "Reference": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "$ref": "#/definitions/ReferenceTypes"
+        },
+        "referredSemanticId": {
+          "$ref": "#/definitions/Reference"
+        },
+        "keys": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/Key"
+          },
+          "minItems": 1
+        }
+      },
+      "required": [
+        "type",
+        "keys"
+      ]
+    },
+    "ReferenceElement": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DataElement"
+        },
+        {
+          "properties": {
+            "value": {
+              "$ref": "#/definitions/Reference"
+            },
+            "modelType": {
+              "const": "ReferenceElement"
+            }
+          }
+        }
+      ]
+    },
+    "ReferenceTypes": {
+      "type": "string",
+      "enum": [
+        "ExternalReference",
+        "ModelReference"
+      ]
+    },
+    "RelationshipElement": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/RelationshipElement_abstract"
+        },
+        {
+          "properties": {
+            "modelType": {
+              "const": "RelationshipElement"
+            }
+          }
+        }
+      ]
+    },
+    "RelationshipElement_abstract": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/SubmodelElement"
+        },
+        {
+          "properties": {
+            "first": {
+              "$ref": "#/definitions/Reference"
+            },
+            "second": {
+              "$ref": "#/definitions/Reference"
+            }
+          },
+          "required": [
+            "first",
+            "second"
+          ]
+        }
+      ]
+    },
+    "RelationshipElement_choice": {
+      "oneOf": [
+        {
+          "$ref": "#/definitions/RelationshipElement"
+        },
+        {
+          "$ref": "#/definitions/AnnotatedRelationshipElement"
+        }
+      ]
+    },
+    "Resource": {
+      "type": "object",
+      "properties": {
+        "path": {
+          "type": "string",
+          "allOf": [
+            {
+              "minLength": 1,
+              "maxLength": 2000
+            },
+            {
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
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+            }
+          ]
+        },
+        "contentType": {
+          "type": "string",
+          "allOf": [
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+              "maxLength": 100
+            },
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+            },
+            {
+              "pattern": "^([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+/([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+([ \\t]*;[ \\t]*([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+=(([!#$%&'*+\\-.^_`|~0-9a-zA-Z])+|\"(([\\t !#-\\[\\]-~]|[\u0080-\u00ff])|\\\\([\\t !-~]|[\u0080-\u00ff]))*\"))*$"
+            }
+          ]
+        }
+      },
+      "required": [
+        "path"
+      ]
+    },
+    "SpecificAssetId": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/HasSemantics"
+        },
+        {
+          "properties": {
+            "name": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 64,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "value": {
+              "type": "string",
+              "minLength": 1,
+              "maxLength": 2000,
+              "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+            },
+            "externalSubjectId": {
+              "$ref": "#/definitions/Reference"
+            }
+          },
+          "required": [
+            "name",
+            "value"
+          ]
+        }
+      ]
+    },
+    "StateOfEvent": {
+      "type": "string",
+      "enum": [
+        "off",
+        "on"
+      ]
+    },
+    "Submodel": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/Identifiable"
+        },
+        {
+          "$ref": "#/definitions/HasKind"
+        },
+        {
+          "$ref": "#/definitions/HasSemantics"
+        },
+        {
+          "$ref": "#/definitions/Qualifiable"
+        },
+        {
+          "$ref": "#/definitions/HasDataSpecification"
+        },
+        {
+          "properties": {
+            "submodelElements": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/SubmodelElement_choice"
+              },
+              "minItems": 1
+            },
+            "modelType": {
+              "const": "Submodel"
+            }
+          }
+        }
+      ]
+    },
+    "SubmodelElement": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/Referable"
+        },
+        {
+          "$ref": "#/definitions/HasSemantics"
+        },
+        {
+          "$ref": "#/definitions/Qualifiable"
+        },
+        {
+          "$ref": "#/definitions/HasDataSpecification"
+        }
+      ]
+    },
+    "SubmodelElementCollection": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/SubmodelElement"
+        },
+        {
+          "properties": {
+            "value": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/SubmodelElement_choice"
+              },
+              "minItems": 1
+            },
+            "modelType": {
+              "const": "SubmodelElementCollection"
+            }
+          }
+        }
+      ]
+    },
+    "SubmodelElementList": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/SubmodelElement"
+        },
+        {
+          "properties": {
+            "orderRelevant": {
+              "type": "boolean"
+            },
+            "semanticIdListElement": {
+              "$ref": "#/definitions/Reference"
+            },
+            "typeValueListElement": {
+              "$ref": "#/definitions/AasSubmodelElements"
+            },
+            "valueTypeListElement": {
+              "$ref": "#/definitions/DataTypeDefXsd"
+            },
+            "value": {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/SubmodelElement_choice"
+              },
+              "minItems": 1
+            },
+            "modelType": {
+              "const": "SubmodelElementList"
+            }
+          },
+          "required": [
+            "typeValueListElement"
+          ]
+        }
+      ]
+    },
+    "SubmodelElement_choice": {
+      "oneOf": [
+        {
+          "$ref": "#/definitions/RelationshipElement"
+        },
+        {
+          "$ref": "#/definitions/AnnotatedRelationshipElement"
+        },
+        {
+          "$ref": "#/definitions/BasicEventElement"
+        },
+        {
+          "$ref": "#/definitions/Blob"
+        },
+        {
+          "$ref": "#/definitions/Capability"
+        },
+        {
+          "$ref": "#/definitions/Entity"
+        },
+        {
+          "$ref": "#/definitions/File"
+        },
+        {
+          "$ref": "#/definitions/MultiLanguageProperty"
+        },
+        {
+          "$ref": "#/definitions/Operation"
+        },
+        {
+          "$ref": "#/definitions/Property"
+        },
+        {
+          "$ref": "#/definitions/Range"
+        },
+        {
+          "$ref": "#/definitions/ReferenceElement"
+        },
+        {
+          "$ref": "#/definitions/SubmodelElementCollection"
+        },
+        {
+          "$ref": "#/definitions/SubmodelElementList"
+        }
+      ]
+    },
+    "ValueList": {
+      "type": "object",
+      "properties": {
+        "valueReferencePairs": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/ValueReferencePair"
+          },
+          "minItems": 1
+        }
+      },
+      "required": [
+        "valueReferencePairs"
+      ]
+    },
+    "ValueReferencePair": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "string",
+          "minLength": 1,
+          "maxLength": 2000,
+          "pattern": "^([\\t\\n\\r -\ud7ff\ue000-\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+        },
+        "valueId": {
+          "$ref": "#/definitions/Reference"
+        }
+      },
+      "required": [
+        "value",
+        "valueId"
+      ]
+    }
+  }
+}
\ No newline at end of file
diff --git a/test/adapter/json/test_json_serialization.py b/test/adapter/json/test_json_serialization.py
index 3195c8a06..90f67b0b4 100644
--- a/test/adapter/json/test_json_serialization.py
+++ b/test/adapter/json/test_json_serialization.py
@@ -4,13 +4,13 @@
 # the LICENSE file of this project.
 #
 # SPDX-License-Identifier: MIT
-
+import os
 import io
 import unittest
 import json
 
 from basyx.aas import model
-from basyx.aas.adapter.json import AASToJsonEncoder, StrippedAASToJsonEncoder, write_aas_json_file, JSON_SCHEMA_FILE
+from basyx.aas.adapter.json import AASToJsonEncoder, StrippedAASToJsonEncoder, write_aas_json_file
 from jsonschema import validate  # type: ignore
 from typing import Set, Union
 
@@ -18,6 +18,9 @@
     example_aas_mandatory_attributes, example_submodel_template, create_example
 
 
+JSON_SCHEMA_FILE = os.path.join(os.path.dirname(__file__), 'aasJSONSchema.json')
+
+
 class JsonSerializationTest(unittest.TestCase):
     def test_serialize_object(self) -> None:
         test_object = model.Property("test_id_short", model.datatypes.String, category="PARAMETER",
diff --git a/test/adapter/xml/aasXMLSchema.xsd b/test/adapter/xml/aasXMLSchema.xsd
new file mode 100644
index 000000000..25d7a52b9
--- /dev/null
+++ b/test/adapter/xml/aasXMLSchema.xsd
@@ -0,0 +1,1344 @@
+<?xml version="1.0" ?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="https://admin-shell.io/aas/3/0" elementFormDefault="qualified" targetNamespace="https://admin-shell.io/aas/3/0">
+  <xs:group name="abstractLangString">
+    <xs:sequence>
+      <xs:element name="language">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="(([a-zA-Z]{2,3}(-[a-zA-Z]{3}(-[a-zA-Z]{3}){2})?|[a-zA-Z]{4}|[a-zA-Z]{5,8})(-[a-zA-Z]{4})?(-([a-zA-Z]{2}|[0-9]{3}))?(-(([a-zA-Z0-9]){5,8}|[0-9]([a-zA-Z0-9]){3}))*(-[0-9A-WY-Za-wy-z](-([a-zA-Z0-9]){2,8})+)*(-[xX](-([a-zA-Z0-9]){1,8})+)?|[xX](-([a-zA-Z0-9]){1,8})+|((en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)|(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)))"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="text">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="abstractLangString_choice">
+    <xs:choice>
+      <xs:element name="langStringDefinitionTypeIec61360" type="langStringDefinitionTypeIec61360_t"/>
+      <xs:element name="langStringNameType" type="langStringNameType_t"/>
+      <xs:element name="langStringPreferredNameTypeIec61360" type="langStringPreferredNameTypeIec61360_t"/>
+      <xs:element name="langStringShortNameTypeIec61360" type="langStringShortNameTypeIec61360_t"/>
+      <xs:element name="langStringTextType" type="langStringTextType_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="administrativeInformation">
+    <xs:sequence>
+      <xs:group ref="hasDataSpecification"/>
+      <xs:element name="version" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="(0|[1-9][0-9]*)"/>
+            <xs:minLength value="1"/>
+            <xs:maxLength value="4"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="revision" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="(0|[1-9][0-9]*)"/>
+            <xs:minLength value="1"/>
+            <xs:maxLength value="4"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="creator" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="templateId" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="annotatedRelationshipElement">
+    <xs:sequence>
+      <xs:group ref="relationshipElement"/>
+      <xs:element name="annotations" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group ref="dataElement_choice" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="assetAdministrationShell">
+    <xs:sequence>
+      <xs:group ref="identifiable"/>
+      <xs:group ref="hasDataSpecification"/>
+      <xs:element name="derivedFrom" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="assetInformation" type="assetInformation_t"/>
+      <xs:element name="submodels" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="reference" type="reference_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="assetInformation">
+    <xs:sequence>
+      <xs:element name="assetKind" type="assetKind_t"/>
+      <xs:element name="globalAssetId" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="specificAssetIds" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="specificAssetId" type="specificAssetId_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="assetType" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="defaultThumbnail" type="resource_t" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="basicEventElement">
+    <xs:sequence>
+      <xs:group ref="eventElement"/>
+      <xs:element name="observed" type="reference_t"/>
+      <xs:element name="direction" type="direction_t"/>
+      <xs:element name="state" type="stateOfEvent_t"/>
+      <xs:element name="messageTopic" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="255"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="messageBroker" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="lastUpdate" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="-?(([1-9][0-9][0-9][0-9]+)|(0[0-9][0-9][0-9]))-((0[1-9])|(1[0-2]))-((0[1-9])|([12][0-9])|(3[01]))T(((([01][0-9])|(2[0-3])):[0-5][0-9]:([0-5][0-9])(\.[0-9]+)?)|24:00:00(\.0+)?)(Z|\+00:00|-00:00)"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="minInterval" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="-?P((([0-9]+Y([0-9]+M)?([0-9]+D)?|([0-9]+M)([0-9]+D)?|([0-9]+D))(T(([0-9]+H)([0-9]+M)?([0-9]+(\.[0-9]+)?S)?|([0-9]+M)([0-9]+(\.[0-9]+)?S)?|([0-9]+(\.[0-9]+)?S)))?)|(T(([0-9]+H)([0-9]+M)?([0-9]+(\.[0-9]+)?S)?|([0-9]+M)([0-9]+(\.[0-9]+)?S)?|([0-9]+(\.[0-9]+)?S))))"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="maxInterval" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="-?P((([0-9]+Y([0-9]+M)?([0-9]+D)?|([0-9]+M)([0-9]+D)?|([0-9]+D))(T(([0-9]+H)([0-9]+M)?([0-9]+(\.[0-9]+)?S)?|([0-9]+M)([0-9]+(\.[0-9]+)?S)?|([0-9]+(\.[0-9]+)?S)))?)|(T(([0-9]+H)([0-9]+M)?([0-9]+(\.[0-9]+)?S)?|([0-9]+M)([0-9]+(\.[0-9]+)?S)?|([0-9]+(\.[0-9]+)?S))))"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="blob">
+    <xs:sequence>
+      <xs:group ref="dataElement"/>
+      <xs:element name="value" type="xs:base64Binary" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="contentType">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+/([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+([ \t]*;[ \t]*([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+=(([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+|&quot;(([\t !#-\[\]-~]|[€-ÿ])|\\([\t !-~]|[€-ÿ]))*&quot;))*"/>
+            <xs:minLength value="1"/>
+            <xs:maxLength value="100"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="capability">
+    <xs:sequence>
+      <xs:group ref="submodelElement"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="conceptDescription">
+    <xs:sequence>
+      <xs:group ref="identifiable"/>
+      <xs:group ref="hasDataSpecification"/>
+      <xs:element name="isCaseOf" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="reference" type="reference_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="dataElement">
+    <xs:sequence>
+      <xs:group ref="submodelElement"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="dataElement_choice">
+    <xs:choice>
+      <xs:element name="blob" type="blob_t"/>
+      <xs:element name="file" type="file_t"/>
+      <xs:element name="multiLanguageProperty" type="multiLanguageProperty_t"/>
+      <xs:element name="property" type="property_t"/>
+      <xs:element name="range" type="range_t"/>
+      <xs:element name="referenceElement" type="referenceElement_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="dataSpecificationContent">
+    <xs:sequence/>
+  </xs:group>
+  <xs:group name="dataSpecificationContent_choice">
+    <xs:choice>
+      <xs:element name="dataSpecificationIec61360" type="dataSpecificationIec61360_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="dataSpecificationIec61360">
+    <xs:sequence>
+      <xs:group ref="dataSpecificationContent"/>
+      <xs:element name="preferredName">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="langStringPreferredNameTypeIec61360" type="langStringPreferredNameTypeIec61360_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="shortName" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="langStringShortNameTypeIec61360" type="langStringShortNameTypeIec61360_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="unit" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="unitId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="sourceOfDefinition" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="symbol" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="dataType" type="dataTypeIec61360_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="definition" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="langStringDefinitionTypeIec61360" type="langStringDefinitionTypeIec61360_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="valueFormat" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="valueList" type="valueList_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="value" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="levelType" type="levelType_t" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="embeddedDataSpecification">
+    <xs:sequence>
+      <xs:element name="dataSpecification" type="reference_t"/>
+      <xs:element name="dataSpecificationContent">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group ref="dataSpecificationContent_choice"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="entity">
+    <xs:sequence>
+      <xs:group ref="submodelElement"/>
+      <xs:element name="statements" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group ref="submodelElement_choice" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="entityType" type="entityType_t"/>
+      <xs:element name="globalAssetId" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="specificAssetIds" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="specificAssetId" type="specificAssetId_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="environment">
+    <xs:sequence>
+      <xs:element name="assetAdministrationShells" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="assetAdministrationShell" type="assetAdministrationShell_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="submodels" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="submodel" type="submodel_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="conceptDescriptions" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="conceptDescription" type="conceptDescription_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="eventElement">
+    <xs:sequence>
+      <xs:group ref="submodelElement"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="eventElement_choice">
+    <xs:choice>
+      <xs:element name="basicEventElement" type="basicEventElement_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="eventPayload">
+    <xs:sequence>
+      <xs:element name="source" type="reference_t"/>
+      <xs:element name="sourceSemanticId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="observableReference" type="reference_t"/>
+      <xs:element name="observableSemanticId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="topic" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="255"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="subjectId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="timeStamp">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="-?(([1-9][0-9][0-9][0-9]+)|(0[0-9][0-9][0-9]))-((0[1-9])|(1[0-2]))-((0[1-9])|([12][0-9])|(3[01]))T(((([01][0-9])|(2[0-3])):[0-5][0-9]:([0-5][0-9])(\.[0-9]+)?)|24:00:00(\.0+)?)(Z|\+00:00|-00:00)"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="payload" type="xs:base64Binary" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="extension">
+    <xs:sequence>
+      <xs:group ref="hasSemantics"/>
+      <xs:element name="name">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="128"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="valueType" type="dataTypeDefXsd_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="value" type="valueDataType" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="refersTo" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="reference" type="reference_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="file">
+    <xs:sequence>
+      <xs:group ref="dataElement"/>
+      <xs:element name="value" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <!-- disable this pattern for now, until we have decided which values are allowed for a File objects value -->
+            <!--<xs:pattern value="file:(//((localhost|(\[((([0-9A-Fa-f]{1,4}:){6}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|::([0-9A-Fa-f]{1,4}:){5}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|([0-9A-Fa-f]{1,4})?::([0-9A-Fa-f]{1,4}:){4}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})?::([0-9A-Fa-f]{1,4}:){3}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:){2}[0-9A-Fa-f]{1,4})?::([0-9A-Fa-f]{1,4}:){2}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:){3}[0-9A-Fa-f]{1,4})?::[0-9A-Fa-f]{1,4}:([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:){4}[0-9A-Fa-f]{1,4})?::([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:){5}[0-9A-Fa-f]{1,4})?::[0-9A-Fa-f]{1,4}|(([0-9A-Fa-f]{1,4}:){6}[0-9A-Fa-f]{1,4})?::)|[vV][0-9A-Fa-f]+\.([a-zA-Z0-9\-._~]|[!$&amp;'()*+,;=]|:)+)\]|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])|([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=])*)))?/((([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=]|[:@]))+(/(([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=]|[:@]))*)*)?|/((([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=]|[:@]))+(/(([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=]|[:@]))*)*)?)"/>-->
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="contentType">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+/([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+([ \t]*;[ \t]*([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+=(([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+|&quot;(([\t !#-\[\]-~]|[€-ÿ])|\\([\t !-~]|[€-ÿ]))*&quot;))*"/>
+            <xs:minLength value="1"/>
+            <xs:maxLength value="100"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="hasDataSpecification">
+    <xs:sequence>
+      <xs:element name="embeddedDataSpecifications" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="embeddedDataSpecification" type="embeddedDataSpecification_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="hasDataSpecification_choice">
+    <xs:choice>
+      <xs:element name="administrativeInformation" type="administrativeInformation_t"/>
+      <xs:element name="relationshipElement" type="relationshipElement_t"/>
+      <xs:element name="annotatedRelationshipElement" type="annotatedRelationshipElement_t"/>
+      <xs:element name="assetAdministrationShell" type="assetAdministrationShell_t"/>
+      <xs:element name="basicEventElement" type="basicEventElement_t"/>
+      <xs:element name="blob" type="blob_t"/>
+      <xs:element name="capability" type="capability_t"/>
+      <xs:element name="conceptDescription" type="conceptDescription_t"/>
+      <xs:element name="entity" type="entity_t"/>
+      <xs:element name="file" type="file_t"/>
+      <xs:element name="multiLanguageProperty" type="multiLanguageProperty_t"/>
+      <xs:element name="operation" type="operation_t"/>
+      <xs:element name="property" type="property_t"/>
+      <xs:element name="range" type="range_t"/>
+      <xs:element name="referenceElement" type="referenceElement_t"/>
+      <xs:element name="submodel" type="submodel_t"/>
+      <xs:element name="submodelElementCollection" type="submodelElementCollection_t"/>
+      <xs:element name="submodelElementList" type="submodelElementList_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="hasExtensions">
+    <xs:sequence>
+      <xs:element name="extensions" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="extension" type="extension_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="hasExtensions_choice">
+    <xs:choice>
+      <xs:element name="relationshipElement" type="relationshipElement_t"/>
+      <xs:element name="annotatedRelationshipElement" type="annotatedRelationshipElement_t"/>
+      <xs:element name="assetAdministrationShell" type="assetAdministrationShell_t"/>
+      <xs:element name="basicEventElement" type="basicEventElement_t"/>
+      <xs:element name="blob" type="blob_t"/>
+      <xs:element name="capability" type="capability_t"/>
+      <xs:element name="conceptDescription" type="conceptDescription_t"/>
+      <xs:element name="entity" type="entity_t"/>
+      <xs:element name="file" type="file_t"/>
+      <xs:element name="multiLanguageProperty" type="multiLanguageProperty_t"/>
+      <xs:element name="operation" type="operation_t"/>
+      <xs:element name="property" type="property_t"/>
+      <xs:element name="range" type="range_t"/>
+      <xs:element name="referenceElement" type="referenceElement_t"/>
+      <xs:element name="submodel" type="submodel_t"/>
+      <xs:element name="submodelElementCollection" type="submodelElementCollection_t"/>
+      <xs:element name="submodelElementList" type="submodelElementList_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="hasKind">
+    <xs:sequence>
+      <xs:element name="kind" type="modellingKind_t" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="hasKind_choice">
+    <xs:choice>
+      <xs:element name="submodel" type="submodel_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="hasSemantics">
+    <xs:sequence>
+      <xs:element name="semanticId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="supplementalSemanticIds" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="reference" type="reference_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="hasSemantics_choice">
+    <xs:choice>
+      <xs:element name="relationshipElement" type="relationshipElement_t"/>
+      <xs:element name="annotatedRelationshipElement" type="annotatedRelationshipElement_t"/>
+      <xs:element name="basicEventElement" type="basicEventElement_t"/>
+      <xs:element name="blob" type="blob_t"/>
+      <xs:element name="capability" type="capability_t"/>
+      <xs:element name="entity" type="entity_t"/>
+      <xs:element name="extension" type="extension_t"/>
+      <xs:element name="file" type="file_t"/>
+      <xs:element name="multiLanguageProperty" type="multiLanguageProperty_t"/>
+      <xs:element name="operation" type="operation_t"/>
+      <xs:element name="property" type="property_t"/>
+      <xs:element name="qualifier" type="qualifier_t"/>
+      <xs:element name="range" type="range_t"/>
+      <xs:element name="referenceElement" type="referenceElement_t"/>
+      <xs:element name="specificAssetId" type="specificAssetId_t"/>
+      <xs:element name="submodel" type="submodel_t"/>
+      <xs:element name="submodelElementCollection" type="submodelElementCollection_t"/>
+      <xs:element name="submodelElementList" type="submodelElementList_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="identifiable">
+    <xs:sequence>
+      <xs:group ref="referable"/>
+      <xs:element name="administration" type="administrativeInformation_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="id">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="identifiable_choice">
+    <xs:choice>
+      <xs:element name="assetAdministrationShell" type="assetAdministrationShell_t"/>
+      <xs:element name="conceptDescription" type="conceptDescription_t"/>
+      <xs:element name="submodel" type="submodel_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="key">
+    <xs:sequence>
+      <xs:element name="type" type="keyTypes_t"/>
+      <xs:element name="value">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="langStringDefinitionTypeIec61360">
+    <xs:sequence>
+      <xs:group ref="abstractLangString"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="langStringNameType">
+    <xs:sequence>
+      <xs:group ref="abstractLangString"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="langStringPreferredNameTypeIec61360">
+    <xs:sequence>
+      <xs:group ref="abstractLangString"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="langStringShortNameTypeIec61360">
+    <xs:sequence>
+      <xs:group ref="abstractLangString"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="langStringTextType">
+    <xs:sequence>
+      <xs:group ref="abstractLangString"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="levelType">
+    <xs:sequence>
+      <xs:element name="min" type="xs:boolean"/>
+      <xs:element name="nom" type="xs:boolean"/>
+      <xs:element name="typ" type="xs:boolean"/>
+      <xs:element name="max" type="xs:boolean"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="multiLanguageProperty">
+    <xs:sequence>
+      <xs:group ref="dataElement"/>
+      <xs:element name="value" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="langStringTextType" type="langStringTextType_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="valueId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="operation">
+    <xs:sequence>
+      <xs:group ref="submodelElement"/>
+      <xs:element name="inputVariables" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="operationVariable" type="operationVariable_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="outputVariables" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="operationVariable" type="operationVariable_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="inoutputVariables" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="operationVariable" type="operationVariable_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="operationVariable">
+    <xs:sequence>
+      <xs:element name="value">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group ref="submodelElement_choice"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="property">
+    <xs:sequence>
+      <xs:group ref="dataElement"/>
+      <xs:element name="valueType" type="dataTypeDefXsd_t"/>
+      <xs:element name="value" type="valueDataType" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="valueId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="qualifiable">
+    <xs:sequence>
+      <xs:element name="qualifiers" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="qualifier" type="qualifier_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="qualifiable_choice">
+    <xs:choice>
+      <xs:element name="relationshipElement" type="relationshipElement_t"/>
+      <xs:element name="annotatedRelationshipElement" type="annotatedRelationshipElement_t"/>
+      <xs:element name="basicEventElement" type="basicEventElement_t"/>
+      <xs:element name="blob" type="blob_t"/>
+      <xs:element name="capability" type="capability_t"/>
+      <xs:element name="entity" type="entity_t"/>
+      <xs:element name="file" type="file_t"/>
+      <xs:element name="multiLanguageProperty" type="multiLanguageProperty_t"/>
+      <xs:element name="operation" type="operation_t"/>
+      <xs:element name="property" type="property_t"/>
+      <xs:element name="range" type="range_t"/>
+      <xs:element name="referenceElement" type="referenceElement_t"/>
+      <xs:element name="submodel" type="submodel_t"/>
+      <xs:element name="submodelElementCollection" type="submodelElementCollection_t"/>
+      <xs:element name="submodelElementList" type="submodelElementList_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="qualifier">
+    <xs:sequence>
+      <xs:group ref="hasSemantics"/>
+      <xs:element name="kind" type="qualifierKind_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="type">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="128"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="valueType" type="dataTypeDefXsd_t"/>
+      <xs:element name="value" type="valueDataType" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="valueId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="range">
+    <xs:sequence>
+      <xs:group ref="dataElement"/>
+      <xs:element name="valueType" type="dataTypeDefXsd_t"/>
+      <xs:element name="min" type="valueDataType" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="max" type="valueDataType" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="referable">
+    <xs:sequence>
+      <xs:group ref="hasExtensions"/>
+      <xs:element name="category" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="128"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="idShort" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="[a-zA-Z][a-zA-Z0-9_]*"/>
+            <xs:minLength value="1"/>
+            <xs:maxLength value="128"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="displayName" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="langStringNameType" type="langStringNameType_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element name="description" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="langStringTextType" type="langStringTextType_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="referable_choice">
+    <xs:choice>
+      <xs:element name="relationshipElement" type="relationshipElement_t"/>
+      <xs:element name="annotatedRelationshipElement" type="annotatedRelationshipElement_t"/>
+      <xs:element name="assetAdministrationShell" type="assetAdministrationShell_t"/>
+      <xs:element name="basicEventElement" type="basicEventElement_t"/>
+      <xs:element name="blob" type="blob_t"/>
+      <xs:element name="capability" type="capability_t"/>
+      <xs:element name="conceptDescription" type="conceptDescription_t"/>
+      <xs:element name="entity" type="entity_t"/>
+      <xs:element name="file" type="file_t"/>
+      <xs:element name="multiLanguageProperty" type="multiLanguageProperty_t"/>
+      <xs:element name="operation" type="operation_t"/>
+      <xs:element name="property" type="property_t"/>
+      <xs:element name="range" type="range_t"/>
+      <xs:element name="referenceElement" type="referenceElement_t"/>
+      <xs:element name="submodel" type="submodel_t"/>
+      <xs:element name="submodelElementCollection" type="submodelElementCollection_t"/>
+      <xs:element name="submodelElementList" type="submodelElementList_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="reference">
+    <xs:sequence>
+      <xs:element name="type" type="referenceTypes_t"/>
+      <xs:element name="referredSemanticId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="keys">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="key" type="key_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="referenceElement">
+    <xs:sequence>
+      <xs:group ref="dataElement"/>
+      <xs:element name="value" type="reference_t" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="relationshipElement">
+    <xs:sequence>
+      <xs:group ref="submodelElement"/>
+      <xs:element name="first" type="reference_t"/>
+      <xs:element name="second" type="reference_t"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="relationshipElement_choice">
+    <xs:choice>
+      <xs:element name="relationshipElement" type="relationshipElement_t"/>
+      <xs:element name="annotatedRelationshipElement" type="annotatedRelationshipElement_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="resource">
+    <xs:sequence>
+      <xs:element name="path">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="file:(//((localhost|(\[((([0-9A-Fa-f]{1,4}:){6}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|::([0-9A-Fa-f]{1,4}:){5}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|([0-9A-Fa-f]{1,4})?::([0-9A-Fa-f]{1,4}:){4}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})?::([0-9A-Fa-f]{1,4}:){3}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:){2}[0-9A-Fa-f]{1,4})?::([0-9A-Fa-f]{1,4}:){2}([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:){3}[0-9A-Fa-f]{1,4})?::[0-9A-Fa-f]{1,4}:([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:){4}[0-9A-Fa-f]{1,4})?::([0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))|(([0-9A-Fa-f]{1,4}:){5}[0-9A-Fa-f]{1,4})?::[0-9A-Fa-f]{1,4}|(([0-9A-Fa-f]{1,4}:){6}[0-9A-Fa-f]{1,4})?::)|[vV][0-9A-Fa-f]+\.([a-zA-Z0-9\-._~]|[!$&amp;'()*+,;=]|:)+)\]|([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])|([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=])*)))?/((([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=]|[:@]))+(/(([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=]|[:@]))*)*)?|/((([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=]|[:@]))+(/(([a-zA-Z0-9\-._~]|%[0-9A-Fa-f][0-9A-Fa-f]|[!$&amp;'()*+,;=]|[:@]))*)*)?)"/>
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="contentType" minOccurs="0" maxOccurs="1">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+/([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+([ \t]*;[ \t]*([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+=(([!#$%&amp;'*+\-.^_`|~0-9a-zA-Z])+|&quot;(([\t !#-\[\]-~]|[€-ÿ])|\\([\t !-~]|[€-ÿ]))*&quot;))*"/>
+            <xs:minLength value="1"/>
+            <xs:maxLength value="100"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="specificAssetId">
+    <xs:sequence>
+      <xs:group ref="hasSemantics"/>
+      <xs:element name="name">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="64"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="value">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="externalSubjectId" type="reference_t" minOccurs="0" maxOccurs="1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="submodel">
+    <xs:sequence>
+      <xs:group ref="identifiable"/>
+      <xs:group ref="hasKind"/>
+      <xs:group ref="hasSemantics"/>
+      <xs:group ref="qualifiable"/>
+      <xs:group ref="hasDataSpecification"/>
+      <xs:element name="submodelElements" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group ref="submodelElement_choice" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="submodelElement">
+    <xs:sequence>
+      <xs:group ref="referable"/>
+      <xs:group ref="hasSemantics"/>
+      <xs:group ref="qualifiable"/>
+      <xs:group ref="hasDataSpecification"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="submodelElementCollection">
+    <xs:sequence>
+      <xs:group ref="submodelElement"/>
+      <xs:element name="value" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group ref="submodelElement_choice" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="submodelElementList">
+    <xs:sequence>
+      <xs:group ref="submodelElement"/>
+      <xs:element name="orderRelevant" type="xs:boolean" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="semanticIdListElement" type="reference_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="typeValueListElement" type="aasSubmodelElements_t"/>
+      <xs:element name="valueTypeListElement" type="dataTypeDefXsd_t" minOccurs="0" maxOccurs="1"/>
+      <xs:element name="value" minOccurs="0" maxOccurs="1">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group ref="submodelElement_choice" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="submodelElement_choice">
+    <xs:choice>
+      <xs:element name="relationshipElement" type="relationshipElement_t"/>
+      <xs:element name="annotatedRelationshipElement" type="annotatedRelationshipElement_t"/>
+      <xs:element name="basicEventElement" type="basicEventElement_t"/>
+      <xs:element name="blob" type="blob_t"/>
+      <xs:element name="capability" type="capability_t"/>
+      <xs:element name="entity" type="entity_t"/>
+      <xs:element name="file" type="file_t"/>
+      <xs:element name="multiLanguageProperty" type="multiLanguageProperty_t"/>
+      <xs:element name="operation" type="operation_t"/>
+      <xs:element name="property" type="property_t"/>
+      <xs:element name="range" type="range_t"/>
+      <xs:element name="referenceElement" type="referenceElement_t"/>
+      <xs:element name="submodelElementCollection" type="submodelElementCollection_t"/>
+      <xs:element name="submodelElementList" type="submodelElementList_t"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="valueList">
+    <xs:sequence>
+      <xs:element name="valueReferencePairs">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="valueReferencePair" type="valueReferencePair_t" minOccurs="1" maxOccurs="unbounded"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="valueReferencePair">
+    <xs:sequence>
+      <xs:element name="value">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:minLength value="1"/>
+            <xs:maxLength value="2000"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:element>
+      <xs:element name="valueId" type="reference_t"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:simpleType name="aasSubmodelElements_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="AnnotatedRelationshipElement"/>
+      <xs:enumeration value="BasicEventElement"/>
+      <xs:enumeration value="Blob"/>
+      <xs:enumeration value="Capability"/>
+      <xs:enumeration value="DataElement"/>
+      <xs:enumeration value="Entity"/>
+      <xs:enumeration value="EventElement"/>
+      <xs:enumeration value="File"/>
+      <xs:enumeration value="MultiLanguageProperty"/>
+      <xs:enumeration value="Operation"/>
+      <xs:enumeration value="Property"/>
+      <xs:enumeration value="Range"/>
+      <xs:enumeration value="ReferenceElement"/>
+      <xs:enumeration value="RelationshipElement"/>
+      <xs:enumeration value="SubmodelElement"/>
+      <xs:enumeration value="SubmodelElementList"/>
+      <xs:enumeration value="SubmodelElementCollection"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="assetKind_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="Type"/>
+      <xs:enumeration value="Instance"/>
+      <xs:enumeration value="NotApplicable"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="dataTypeDefXsd_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="xs:anyURI"/>
+      <xs:enumeration value="xs:base64Binary"/>
+      <xs:enumeration value="xs:boolean"/>
+      <xs:enumeration value="xs:byte"/>
+      <xs:enumeration value="xs:date"/>
+      <xs:enumeration value="xs:dateTime"/>
+      <xs:enumeration value="xs:decimal"/>
+      <xs:enumeration value="xs:double"/>
+      <xs:enumeration value="xs:duration"/>
+      <xs:enumeration value="xs:float"/>
+      <xs:enumeration value="xs:gDay"/>
+      <xs:enumeration value="xs:gMonth"/>
+      <xs:enumeration value="xs:gMonthDay"/>
+      <xs:enumeration value="xs:gYear"/>
+      <xs:enumeration value="xs:gYearMonth"/>
+      <xs:enumeration value="xs:hexBinary"/>
+      <xs:enumeration value="xs:int"/>
+      <xs:enumeration value="xs:integer"/>
+      <xs:enumeration value="xs:long"/>
+      <xs:enumeration value="xs:negativeInteger"/>
+      <xs:enumeration value="xs:nonNegativeInteger"/>
+      <xs:enumeration value="xs:nonPositiveInteger"/>
+      <xs:enumeration value="xs:positiveInteger"/>
+      <xs:enumeration value="xs:short"/>
+      <xs:enumeration value="xs:string"/>
+      <xs:enumeration value="xs:time"/>
+      <xs:enumeration value="xs:unsignedByte"/>
+      <xs:enumeration value="xs:unsignedInt"/>
+      <xs:enumeration value="xs:unsignedLong"/>
+      <xs:enumeration value="xs:unsignedShort"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="dataTypeIec61360_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="DATE"/>
+      <xs:enumeration value="STRING"/>
+      <xs:enumeration value="STRING_TRANSLATABLE"/>
+      <xs:enumeration value="INTEGER_MEASURE"/>
+      <xs:enumeration value="INTEGER_COUNT"/>
+      <xs:enumeration value="INTEGER_CURRENCY"/>
+      <xs:enumeration value="REAL_MEASURE"/>
+      <xs:enumeration value="REAL_COUNT"/>
+      <xs:enumeration value="REAL_CURRENCY"/>
+      <xs:enumeration value="BOOLEAN"/>
+      <xs:enumeration value="IRI"/>
+      <xs:enumeration value="IRDI"/>
+      <xs:enumeration value="RATIONAL"/>
+      <xs:enumeration value="RATIONAL_MEASURE"/>
+      <xs:enumeration value="TIME"/>
+      <xs:enumeration value="TIMESTAMP"/>
+      <xs:enumeration value="FILE"/>
+      <xs:enumeration value="HTML"/>
+      <xs:enumeration value="BLOB"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="direction_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="input"/>
+      <xs:enumeration value="output"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="entityType_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="CoManagedEntity"/>
+      <xs:enumeration value="SelfManagedEntity"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="keyTypes_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="AnnotatedRelationshipElement"/>
+      <xs:enumeration value="AssetAdministrationShell"/>
+      <xs:enumeration value="BasicEventElement"/>
+      <xs:enumeration value="Blob"/>
+      <xs:enumeration value="Capability"/>
+      <xs:enumeration value="ConceptDescription"/>
+      <xs:enumeration value="DataElement"/>
+      <xs:enumeration value="Entity"/>
+      <xs:enumeration value="EventElement"/>
+      <xs:enumeration value="File"/>
+      <xs:enumeration value="FragmentReference"/>
+      <xs:enumeration value="GlobalReference"/>
+      <xs:enumeration value="Identifiable"/>
+      <xs:enumeration value="MultiLanguageProperty"/>
+      <xs:enumeration value="Operation"/>
+      <xs:enumeration value="Property"/>
+      <xs:enumeration value="Range"/>
+      <xs:enumeration value="Referable"/>
+      <xs:enumeration value="ReferenceElement"/>
+      <xs:enumeration value="RelationshipElement"/>
+      <xs:enumeration value="Submodel"/>
+      <xs:enumeration value="SubmodelElement"/>
+      <xs:enumeration value="SubmodelElementCollection"/>
+      <xs:enumeration value="SubmodelElementList"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="modellingKind_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="Template"/>
+      <xs:enumeration value="Instance"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="qualifierKind_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="ValueQualifier"/>
+      <xs:enumeration value="ConceptQualifier"/>
+      <xs:enumeration value="TemplateQualifier"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="referenceTypes_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="ExternalReference"/>
+      <xs:enumeration value="ModelReference"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="stateOfEvent_t">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="on"/>
+      <xs:enumeration value="off"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="valueDataType">
+    <xs:restriction base="xs:string"/>
+  </xs:simpleType>
+  <xs:complexType name="abstractLangString_t">
+    <xs:sequence>
+      <xs:group ref="abstractLangString"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="administrativeInformation_t">
+    <xs:sequence>
+      <xs:group ref="administrativeInformation"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="annotatedRelationshipElement_t">
+    <xs:sequence>
+      <xs:group ref="annotatedRelationshipElement"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="assetAdministrationShell_t">
+    <xs:sequence>
+      <xs:group ref="assetAdministrationShell"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="assetInformation_t">
+    <xs:sequence>
+      <xs:group ref="assetInformation"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="basicEventElement_t">
+    <xs:sequence>
+      <xs:group ref="basicEventElement"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="blob_t">
+    <xs:sequence>
+      <xs:group ref="blob"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="capability_t">
+    <xs:sequence>
+      <xs:group ref="capability"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="conceptDescription_t">
+    <xs:sequence>
+      <xs:group ref="conceptDescription"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="dataElement_t">
+    <xs:sequence>
+      <xs:group ref="dataElement"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="dataSpecificationContent_t">
+    <xs:sequence>
+      <xs:group ref="dataSpecificationContent"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="dataSpecificationIec61360_t">
+    <xs:sequence>
+      <xs:group ref="dataSpecificationIec61360"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="embeddedDataSpecification_t">
+    <xs:sequence>
+      <xs:group ref="embeddedDataSpecification"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="entity_t">
+    <xs:sequence>
+      <xs:group ref="entity"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="environment_t">
+    <xs:sequence>
+      <xs:group ref="environment"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="eventElement_t">
+    <xs:sequence>
+      <xs:group ref="eventElement"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="eventPayload_t">
+    <xs:sequence>
+      <xs:group ref="eventPayload"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="extension_t">
+    <xs:sequence>
+      <xs:group ref="extension"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="file_t">
+    <xs:sequence>
+      <xs:group ref="file"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="hasDataSpecification_t">
+    <xs:sequence>
+      <xs:group ref="hasDataSpecification"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="hasExtensions_t">
+    <xs:sequence>
+      <xs:group ref="hasExtensions"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="hasKind_t">
+    <xs:sequence>
+      <xs:group ref="hasKind"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="hasSemantics_t">
+    <xs:sequence>
+      <xs:group ref="hasSemantics"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="identifiable_t">
+    <xs:sequence>
+      <xs:group ref="identifiable"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="key_t">
+    <xs:sequence>
+      <xs:group ref="key"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="langStringDefinitionTypeIec61360_t">
+    <xs:sequence>
+      <xs:group ref="langStringDefinitionTypeIec61360"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="langStringNameType_t">
+    <xs:sequence>
+      <xs:group ref="langStringNameType"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="langStringPreferredNameTypeIec61360_t">
+    <xs:sequence>
+      <xs:group ref="langStringPreferredNameTypeIec61360"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="langStringShortNameTypeIec61360_t">
+    <xs:sequence>
+      <xs:group ref="langStringShortNameTypeIec61360"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="langStringTextType_t">
+    <xs:sequence>
+      <xs:group ref="langStringTextType"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="levelType_t">
+    <xs:sequence>
+      <xs:group ref="levelType"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="multiLanguageProperty_t">
+    <xs:sequence>
+      <xs:group ref="multiLanguageProperty"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="operationVariable_t">
+    <xs:sequence>
+      <xs:group ref="operationVariable"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="operation_t">
+    <xs:sequence>
+      <xs:group ref="operation"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="property_t">
+    <xs:sequence>
+      <xs:group ref="property"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="qualifiable_t">
+    <xs:sequence>
+      <xs:group ref="qualifiable"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="qualifier_t">
+    <xs:sequence>
+      <xs:group ref="qualifier"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="range_t">
+    <xs:sequence>
+      <xs:group ref="range"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="referable_t">
+    <xs:sequence>
+      <xs:group ref="referable"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="referenceElement_t">
+    <xs:sequence>
+      <xs:group ref="referenceElement"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="reference_t">
+    <xs:sequence>
+      <xs:group ref="reference"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="relationshipElement_t">
+    <xs:sequence>
+      <xs:group ref="relationshipElement"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="resource_t">
+    <xs:sequence>
+      <xs:group ref="resource"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="specificAssetId_t">
+    <xs:sequence>
+      <xs:group ref="specificAssetId"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="submodelElementCollection_t">
+    <xs:sequence>
+      <xs:group ref="submodelElementCollection"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="submodelElementList_t">
+    <xs:sequence>
+      <xs:group ref="submodelElementList"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="submodelElement_t">
+    <xs:sequence>
+      <xs:group ref="submodelElement"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="submodel_t">
+    <xs:sequence>
+      <xs:group ref="submodel"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="valueList_t">
+    <xs:sequence>
+      <xs:group ref="valueList"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:complexType name="valueReferencePair_t">
+    <xs:sequence>
+      <xs:group ref="valueReferencePair"/>
+    </xs:sequence>
+  </xs:complexType>
+  <xs:element name="environment" type="environment_t"/>
+</xs:schema>
diff --git a/test/adapter/xml/test_xml_serialization.py b/test/adapter/xml/test_xml_serialization.py
index c75bfeaa8..178c130f6 100644
--- a/test/adapter/xml/test_xml_serialization.py
+++ b/test/adapter/xml/test_xml_serialization.py
@@ -5,17 +5,21 @@
 #
 # SPDX-License-Identifier: MIT
 import io
+import os
 import unittest
 
 from lxml import etree  # type: ignore
 
 from basyx.aas import model
-from basyx.aas.adapter.xml import write_aas_xml_file, xml_serialization, XML_SCHEMA_FILE
+from basyx.aas.adapter.xml import write_aas_xml_file, xml_serialization
 
 from basyx.aas.examples.data import example_aas_missing_attributes, example_aas, \
     example_submodel_template, example_aas_mandatory_attributes
 
 
+XML_SCHEMA_FILE = os.path.join(os.path.dirname(__file__), 'aasXMLSchema.xsd')
+
+
 class XMLSerializationTest(unittest.TestCase):
     def test_serialize_object(self) -> None:
         test_object = model.Property("test_id_short",