description: 'Marks that the expansion is  incomplete, because the full value set is too large to represent, and the client asked for an incomplete fragment.  Used in STU3 and earlier terminology services. The information it provides should be communicated with operation outcome code = too-costly by a terminology server based on a more recent FHIR version. '
package_name: hl7.fhir.uv.extensions.r4
derivation: constraint
name: VSTooCostly
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/valueset-toocostly'}
    type: uri
    index: 1
  value:
    choices: [valueBoolean]
    index: 3
  valueBoolean: {type: boolean, choiceOf: value, index: 4}
package_version: 5.3.0-ballot-tc1
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/valueset-toocostly
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.3.0-ballot-tc1
required: [value, valueBoolean]