@type t() ::
  integer()
  | :LICENSING_TYPE_NULL
  | :LICENSING_TYPE_ACADEMIC
  | :LICENSING_TYPE_APPLIANCE
  | :LICENSING_TYPE_CLIENT_ACCESS
  | :LICENSING_TYPE_CONCURRENT_USER
  | :LICENSING_TYPE_CORE_POINTS
  | :LICENSING_TYPE_CUSTOM_METRIC
  | :LICENSING_TYPE_DEVICE
  | :LICENSING_TYPE_EVALUATION
  | :LICENSING_TYPE_NAMED_USER
  | :LICENSING_TYPE_NODE_LOCKED
  | :LICENSING_TYPE_OEM
  | :LICENSING_TYPE_PERPETUAL
  | :LICENSING_TYPE_PROCESSOR_POINTS
  | :LICENSING_TYPE_SUBSCRIPTION
  | :LICENSING_TYPE_USER
  | :LICENSING_TYPE_OTHER