@type t() :: %ExecutionPlane.CancellationMetadata{
  activity_call_ref: term(),
  actor_ref: term(),
  authority_packet_ref: term(),
  cancellation_id: term(),
  contract_name: term(),
  idempotency_key: term(),
  lower_run_ref: term(),
  permission_decision_ref: term(),
  resource_ref: term(),
  tenant_ref: term(),
  trace_id: term(),
  workflow_ref: term()
}