{
  "types": [
    "StructureDefinition"
  ],
  "StructureDefinition": {
    "elements": {
      "StructureDefinition.experimental": {
        "modifier": "removed"
      },
      "StructureDefinition.keyword": {
        "binding-status": "added",
        "new-binding": {
          "reference": "http://hl7.org/fhir/ValueSet/definition-use",
          "strength": "extensible"
        }
      },
      "StructureDefinition.fhirVersion": {
        "binding-status": "added",
        "new-binding": {
          "reference": "http://hl7.org/fhir/ValueSet/fhir-versions",
          "strength": "required"
        }
      },
      "StructureDefinition.context": {
        "removed-types": [
          "string"
        ],
        "added-types": [
          "BackboneElement"
        ]
      },
      "StructureDefinition.context.type": {
        "status": "new"
      },
      "StructureDefinition.context.expression": {
        "status": "new"
      },
      "StructureDefinition.type": {
        "removed-types": [
          "code"
        ],
        "added-types": [
          "uri"
        ]
      },
      "StructureDefinition.baseDefinition": {
        "removed-types": [
          "uri"
        ],
        "added-types": [
          "canonical"
        ]
      },
      "StructureDefinition.contextType": {
        "status": "deleted"
      }
    },
    "status": "changed"
  }
}