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        "dtmm:jsonType": "dtmm:jsonProperty",
        "dtmm:propertyValue": {
          "dtmm:instanceProperty": "dtmi:dtdl:property:schema;2"
        }
      }
    },
    {
      "@id": "dtmi:dtdl:class:Object;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:ComplexSchema;2",
      "dtmm:property": [
        {
          "@id": "dtmi:dtdl:property:fields;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Object;2"
        }
      ],
      "sh:property": [
        {
          "@id": "dtmi:dtdl:constraint:Object:fields;2",
          "sh:path": "dtmi:dtdl:property:fields;2",
          "sh:minCount": 1,
          "sh:maxCount": 30,
          "sh:class": "Field",
          "sh:nodeKind": "sh:BlankNodeOrIRI",
          "dtmm:typeInferable": true,
          "dtmm:uniqueProperties": [ "dtmi:dtdl:property:name;2" ],
          "dtmm:dtmiSegment": "dtmi:dtdl:property:name;2",
          "dtmm:description": {
            "en-US": "A set of field descriptions, one for each field in the Object."
          }
        }
      ],
      "dtmm:instance": {
        "dtmm:jsonType": "dtmm:jsonObject",
        "dtmm:eachChild": {
          "dtmm:instanceProperty": "dtmi:dtdl:property:fields;2"
        }
      }
    },
    {
      "@id": "dtmi:dtdl:class:Field;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:SchemaField;2",
      "dtmm:instance": {
        "dtmm:jsonType": "dtmm:jsonProperty",
        "dtmm:propertyName": {
          "dtmm:hasValue": "dtmi:dtdl:property:name;2"
        },
        "dtmm:propertyValue": {
          "dtmm:instanceProperty": "dtmi:dtdl:property:schema;2"
        }
      }
    },
    {
      "@id": "dtmi:dtdl:class:Content;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "dtmm:Abstract", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:NamedEntity;2"
    },
    {
      "@id": "dtmi:dtdl:class:Component;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:Content;2",
      "dtmm:property": [
        {
          "@id": "dtmi:dtdl:property:schema;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Component;2"
        }
      ],
      "sh:property": [
        {
          "@id": "dtmi:dtdl:constraint:Component:schema;2",
          "sh:path": "dtmi:dtdl:property:schema;2",
          "sh:minCount": 1,
          "sh:maxCount": 1,
          "sh:class": "Interface",
          "sh:nodeKind": "sh:IRI",
          "dtmm:description": {
            "en-US": "The data type of the Component, which is an instance of Interface."
          }
        }
      ],
      "dtmm:descendants": [
        {
          "@id": "dtmi:dtdl:restriction:Component:contents:excludeComponent;2",
          "dtmm:properties": [ "dtmi:dtdl:property:schema;2", "dtmi:dtdl:property:contents;2" ],
          "dtmm:narrow": true,
          "dtmm:excludeType": "Component"
        }
      ]
    },
    {
      "@id": "dtmi:dtdl:class:Property;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:Content;2",
      "dtmm:property": [
        {
          "@id": "dtmi:dtdl:property:schema;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Property;2"
        },
        {
          "@id": "dtmi:dtdl:property:writable;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Property;2"
        }
      ],
      "sh:property": [
        {
          "@id": "dtmi:dtdl:constraint:Property:schema;2",
          "sh:path": "dtmi:dtdl:property:schema;2",
          "sh:minCount": 1,
          "sh:maxCount": 1,
          "sh:class": "Schema",
          "sh:nodeKind": "sh:BlankNodeOrIRI",
          "dtmm:description": {
            "en-US": "The data type of the Property, which is an instance of Schema."
          }
        },
        {
          "@id": "dtmi:dtdl:constraint:Property:writable;2",
          "sh:path": "dtmi:dtdl:property:writable;2",
          "sh:maxCount": 1,
          "sh:datatype": "xsd:boolean",
          "sh:nodeKind": "sh:Literal",
          "dtmm:description": {
            "en-US": "A boolean value that indicates whether the Property is writable or not. The default value is false, indicating the Property is read-only."
          }
        }
      ],
      "dtmm:descendants": [
        {
          "@id": "dtmi:dtdl:restriction:Property:schema:excludeArray;2",
          "dtmm:properties": [ "dtmi:dtdl:property:schema;2" ],
          "dtmm:excludeType": "Array"
        }
      ]
    },
    {
      "@id": "dtmi:dtdl:class:Telemetry;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:Content;2",
      "dtmm:property": [
        {
          "@id": "dtmi:dtdl:property:schema;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Telemetry;2"
        }
      ],
      "sh:property": [
        {
          "@id": "dtmi:dtdl:constraint:Telemetry:schema;2",
          "sh:path": "dtmi:dtdl:property:schema;2",
          "sh:minCount": 1,
          "sh:maxCount": 1,
          "sh:class": "Schema",
          "sh:nodeKind": "sh:BlankNodeOrIRI",
          "dtmm:description": {
            "en-US": "The data type of the Telemetry, which is an instance of Schema."
          }
        }
      ]
    },
    {
      "@id": "dtmi:dtdl:class:Command;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:Content;2",
      "dtmm:property": [
        {
          "@id": "dtmi:dtdl:property:request;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Command;2"
        },
        {
          "@id": "dtmi:dtdl:property:response;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Command;2"
        },
        {
          "@id": "dtmi:dtdl:property:commandType;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Command;2"
        }
      ],
      "sh:property": [
        {
          "@id": "dtmi:dtdl:constraint:Command:request;2",
          "sh:path": "dtmi:dtdl:property:request;2",
          "sh:maxCount": 1,
          "sh:class": "CommandPayload",
          "sh:nodeKind": "sh:BlankNodeOrIRI",
          "dtmm:typeInferable": true,
          "dtmm:description": {
            "en-US": "A description of the input to the Command."
          }
        },
        {
          "@id": "dtmi:dtdl:constraint:Command:response;2",
          "sh:path": "dtmi:dtdl:property:response;2",
          "sh:maxCount": 1,
          "sh:class": "CommandPayload",
          "sh:nodeKind": "sh:BlankNodeOrIRI",
          "dtmm:typeInferable": true,
          "dtmm:description": {
            "en-US": "A description of the output of the Command."
          }
        },
        {
          "@id": "dtmi:dtdl:constraint:Command:commandType;2",
          "sh:path": "dtmi:dtdl:property:commandType;2",
          "sh:maxCount": 1,
          "sh:class": "CommandType",
          "sh:in": [ "dtmi:dtdl:instance:CommandType:asynchronous;2", "dtmi:dtdl:instance:CommandType:synchronous;2" ],
          "sh:nodeKind": "sh:IRI",
          "dtmm:description": {
            "en-US": "This property is deprecated. Either value, synchronous or asynchronous, has the same meaning: a command that starts execution within a configurable time and that completes execution within a configurable time."
          },
          "dtmm:deprecated": true
        }
      ]
    },
    {
      "@id": "dtmi:dtdl:class:CommandPayload;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:SchemaField;2"
    },
    {
      "@id": "dtmi:dtdl:class:CommandType;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:Entity;2"
    },
    {
      "@id": "dtmi:dtdl:class:Relationship;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:Content;2",
      "dtmm:property": [
        {
          "@id": "dtmi:dtdl:property:maxMultiplicity;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Relationship;2"
        },
        {
          "@id": "dtmi:dtdl:property:minMultiplicity;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Relationship;2"
        },
        {
          "@id": "dtmi:dtdl:property:target;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Relationship;2"
        },
        {
          "@id": "dtmi:dtdl:property:properties;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Relationship;2"
        },
        {
          "@id": "dtmi:dtdl:property:writable;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Relationship;2"
        }
      ],
      "sh:property": [
        {
          "@id": "dtmi:dtdl:constraint:Relationship:maxMultiplicity;2",
          "sh:path": "dtmi:dtdl:property:maxMultiplicity;2",
          "sh:maxCount": 1,
          "sh:datatype": "xsd:integer",
          "sh:nodeKind": "sh:Literal",
          "sh:minInclusive": 1,
          "sh:maxInclusive": 500,
          "dtmm:description": {
            "en-US": "The maximum multiplicity for the target of the Relationship; defaults to the maximum allowable value."
          }
        },
        {
          "@id": "dtmi:dtdl:constraint:Relationship:minMultiplicity;2",
          "sh:path": "dtmi:dtdl:property:minMultiplicity;2",
          "sh:maxCount": 1,
          "sh:datatype": "xsd:integer",
          "sh:nodeKind": "sh:Literal",
          "sh:minInclusive": 0,
          "sh:maxInclusive": 0,
          "dtmm:description": {
            "en-US": "The minimum multiplicity for the target of the Relationship; defaults to the minimum allowable value."
          }
        },
        {
          "@id": "dtmi:dtdl:constraint:Relationship:target;2",
          "sh:path": "dtmi:dtdl:property:target;2",
          "sh:maxCount": 1,
          "sh:nodeKind": "sh:IRI",
          "sh:pattern": "^dtmi:[A-Za-z](?:[A-Za-z0-9_]*[A-Za-z0-9])?(?::[A-Za-z](?:[A-Za-z0-9_]*[A-Za-z0-9])?)*;[1-9][0-9]{0,8}$",
          "dtmm:patternDesc": {
            "en-US": "must follow user DTMI syntax"
          },
          "sh:maxLength": 2048,
          "dtmm:description": {
            "en-US": "An Interface identifier. If no target is specified, each instance target is permitted to be any Interface."
          }
        },
        {
          "@id": "dtmi:dtdl:constraint:Relationship:properties;2",
          "sh:path": "dtmi:dtdl:property:properties;2",
          "sh:maxCount": 300,
          "sh:class": "Property",
          "sh:nodeKind": "sh:BlankNodeOrIRI",
          "dtmm:uniqueProperties": [ "dtmi:dtdl:property:name;2" ],
          "dtmm:dtmiSegment": "dtmi:dtdl:property:name;2",
          "dtmm:description": {
            "en-US": "A set of Properties that define Relationship-specific state."
          }
        },
        {
          "@id": "dtmi:dtdl:constraint:Relationship:writable;2",
          "sh:path": "dtmi:dtdl:property:writable;2",
          "sh:maxCount": 1,
          "sh:datatype": "xsd:boolean",
          "sh:nodeKind": "sh:Literal",
          "dtmm:description": {
            "en-US": "A boolean value that indicates whether the Relationship is writable or not. The default value is false, indicating the Relationship is read-only."
          }
        }
      ]
    },
    {
      "@id": "dtmi:dtdl:class:SemanticType;2",
      "@type": [ "rdfs:Class", "dtmm:Abstract", "dtmm:Extensible", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "sh:or": [
        { "sh:class": "Relationship" },
        { "sh:class": "Property" },
        { "sh:class": "Telemetry" }
      ]
    },
    {
      "@id": "dtmi:dtdl:class:Unit;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "dtmm:Abstract", "dtmm:Extensible", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:Entity;2",
      "dtmm:property": [
        {
          "@id": "dtmi:dtdl:property:symbol;2",
          "@type": "rdf:Property",
          "rdfs:domain": "dtmi:dtdl:class:Unit;2"
        }
      ],
      "sh:property": [
        {
          "@id": "dtmi:dtdl:constraint:Unit:symbol;2",
          "sh:path": "dtmi:dtdl:property:symbol;2",
          "sh:maxCount": 1,
          "sh:datatype": "xsd:string",
          "sh:nodeKind": "sh:Literal",
          "dtmm:description": {
            "en-US": "The symbol for the unit."
          }
        }
      ]
    },
    {
      "@id": "dtmi:dtdl:class:SemanticUnit;2",
      "@type": [ "rdfs:Class", "dtmm:Abstract", "dtmm:Extensible", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "sh:or": [
        { "sh:class": "Unit" }
      ]
    },
    {
      "@id": "dtmi:dtdl:class:UnitAttribute;2",
      "@type": [ "rdfs:Class", "dtmm:Material", "dtmm:Abstract", "dtmm:Extensible", "sh:NodeShape" ],
      "dtmm:dtdlVersion": 2,
      "rdfs:subClassOf": "dtmi:dtdl:class:NamedEntity;2"
    }
  ]
}