<DataCapture name="DC-Collect-missing">
  <IgnoreUnresolvedVariables>false</IgnoreUnresolvedVariables>
  <ThrowExceptionOnLimit>false</ThrowExceptionOnLimit>

  <Capture>
    <DataCollector>dc_req_headers_length</DataCollector>
    <!-- missing required Collect element -->
    <!--
        <Collect ref="computed-headers-length" default='0'/>
    -->
  </Capture>
</DataCapture>
