@type t() :: %Threadline.Investigation.LinkedTransaction{
  action:
    %Threadline.Semantics.AuditAction{
      __meta__: term(),
      actor_ref: term(),
      category: term(),
      comment: term(),
      correlation_id: term(),
      id: term(),
      inserted_at: term(),
      job_id: term(),
      name: term(),
      reason: term(),
      request_id: term(),
      status: term(),
      transactions: term(),
      verb: term()
    }
    | nil,
  changes: [Threadline.Investigation.LinkedChange.t()],
  transaction:
    %Threadline.Capture.AuditTransaction{
      __meta__: term(),
      action: term(),
      action_id: term(),
      actor_ref: term(),
      changes: term(),
      id: term(),
      meta: term(),
      occurred_at: term(),
      source: term(),
      txid: term()
    }
    | nil
}