Parameters.parameter.resource

• bdl-7:FullUrl must be unique in a bundle, or else entries with the same fullUrl must have different meta.versionId (except in history bundles)
  (type = 'history') or entry.where(fullUrl.exists()).select(fullUrl&resource.meta.versionId).isDistinct()
• bdl-9:A document must have an identifier with a system and a value
  type = 'document' implies (identifier.system.exists() and identifier.value.exists())
• bdl-3:entry.request mandatory for batch/transaction/history, otherwise prohibited
  entry.all(request.exists() = (%resource.type = 'batch' or %resource.type = 'transaction' or %resource.type = 'history'))
• bdl-4:entry.response mandatory for batch-response/transaction-response/history, otherwise prohibited
  entry.all(response.exists() = (%resource.type = 'batch-response' or %resource.type = 'transaction-response' or %resource.type = 'history'))
• bdl-12:A message must have a MessageHeader as the first resource
  type = 'message' implies entry.first().resource.is(MessageHeader)
• bdl-1:total only when a search or history
  total.empty() or (type = 'searchset') or (type = 'history')
• bdl-2:entry.search only when a search
  entry.search.empty() or (type = 'searchset')
• bdl-11:A document must have a Composition as the first resource
  type = 'document' implies entry.first().resource.is(Composition)
• bdl-10:A document must have a date
  type = 'document' implies (meta.lastUpdated.hasValue())
• exactlyOneSequence:Im NotificationBundle muss genau eine Sequenz enthalten sein.
  entry.where(resource.meta.profile='https://demis.rki.de/fhir/StructureDefinition/Sequence').count()=1