@type t() :: %SC.Transition{
  compiled_cond: term() | nil,
  cond: String.t() | nil,
  cond_location: map() | nil,
  document_order: integer() | nil,
  event: String.t() | nil,
  event_location: map() | nil,
  source: String.t() | nil,
  source_location: map() | nil,
  target: String.t() | nil,
  target_location: map() | nil
}