PlannedDeliveryDestinationInput

"""Exactly one destination source"""
input PlannedDeliveryDestinationInput @oneOf {
  """
  Copy an existing address now; later address edits do not change this delivery
  """
  existingAddress: ExistingDeliveryAddressInput
  """
  Store the supplied destination fields, including incomplete source addresses
  """
  snapshot: DeliveryAddressSnapshotInput
}