pipeline_audit(report(stages(5), transitions(4), summaries([stage(0, receive, outgoing(1)), stage(1, parse, outgoing(1)), stage(2, validate, outgoing(1)), stage(3, reason, outgoing(1)), stage(4, publish, outgoing(0))]), trace([step(0, receive, parse), step(1, parse, validate), step(2, validate, reason), step(3, reason, publish), complete]), invariant(true), schema_variant(true))).