spans:
  parsefabric.parse: ['ParserSelected', 'ParseStarted', 'PatternMatched', 'PatternMatched', 'PatternMatched', 'ParseCompleted']
  parsefabric.aggregation: ['AggregationStarted', 'AggregationCompleted']
structured log records:
  ParserSelected
  ParseStarted
  PatternMatched         match_count=1 pattern_name=error
  PatternMatched         match_count=1 pattern_name=timeout
  PatternMatched         match_count=1 pattern_name=warning
  ParseCompleted         event_count=3
