@type t() :: %ExecutionPlane.Contracts.StreamBackpressure.V1{
  authority_packet_ref: term(),
  budget_ref: term(),
  contract_version: term(),
  correlation_id: term(),
  diagnostics_ref: term(),
  environment_ref: term(),
  idempotency_key: term(),
  installation_ref: term(),
  last_heartbeat_at: term(),
  permission_decision_ref: term(),
  pressure_class: term(),
  principal_ref: term(),
  project_ref: term(),
  release_manifest_ref: term(),
  resource_ref: term(),
  stream_ref: term(),
  system_actor_ref: term(),
  tenant_ref: term(),
  termination_reason: term(),
  trace_id: term(),
  workspace_ref: term()
}