description: null package_name: ca.bc.bcy derivation: constraint name: EstimatedFlagExtension type: Extension elements: id: {index: 0} url: pattern: {type: Uri, value: 'https://ehealthontario.ca/API/FHIR/StructureDefinition/ca-on-extension-estimated-date'} index: 1 value: choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, choiceOf: value, index: 4} package_version: ids-1.0.0 class: extension kind: complex-type url: https://ehealthontario.ca/API/FHIR/StructureDefinition/ca-on-extension-estimated-date base: http://hl7.org/fhir/StructureDefinition/Extension version: null