in spec/support/event_collector.rb [55:66]
def catalog(json)
@mutex.synchronize do
case json.keys.first
when 'transaction' then transactions << json.values.first
when 'span' then spans << json.values.first
when 'error' then errors << json.values.first
when 'metricset' then metricsets << json.values.first
when 'metadata' then metadatas << json.values.first
end
end
end