How to use the @instana/core.tracing.setExtraHttpHeadersToCapture function in @instana/core

'Failed to JSON.parse agent response. Response was %s. Will retry in %sms',
        rawResponse,
        retryDelay,
        e
      );
      setTimeout(tryToAnnounce, retryDelay, ctx).unref();
      return;
    }

    var pid = response.pid;
    logger.info('Overwriting pid for reporting purposes to: %s', pid);
    pidStore.pid = pid;

    agentOpts.agentUuid = response.agentUuid;
    if (Array.isArray(response.extraHeaders)) {
      tracing.setExtraHttpHeadersToCapture(
        response.extraHeaders.map(function(s) {
          // Node.js HTTP API turns all incoming HTTP headers into lowercase.
          return s.toLowerCase();
        })
      );
    }

    if (response.secrets) {
      if (!(typeof response.secrets.matcher === 'string')) {
        logger.warn(
          'Received invalid secrets configuration from agent, attribute matcher is not a string: $s',
          response.secrets.matcher
        );
      } else if (Object.keys(secrets.matchers).indexOf(response.secrets.matcher) < 0) {
        logger.warn(
          'Received invalid secrets configuration from agent, matcher is not supported: $s',