<DataCapture name="DC-DataCollector-with-unsupported-attr">
  <IgnoreUnresolvedVariables>false</IgnoreUnresolvedVariables>
  <ThrowExceptionOnLimit>false</ThrowExceptionOnLimit>

  <Capture>
    <!-- unsupported attribute on DataCollector -->
    <DataCollector scope='foo' other-attr='bar'>dc_req_headers_length</DataCollector>

    <Collect ref="computed-headers-length" default='0'/>
  </Capture>
</DataCapture>
