code: func (m *Meta) Log(ctx context.Context) {
  	logging.Debugf(ctx, "Meta config:")
  	logging.Debugf(ctx, "  config_service_host = %q", m.ConfigServiceHost)
  	logging.Debugf(ctx, "  config_dir = %q", m.ConfigDir)
  	logging.Debugf(ctx, "  tracked_files = %v", m.TrackedFiles)
  	logging.Debugf(ctx, "  fail_on_warnings = %v", m.FailOnWarnings)
  }
docs: // Log logs the values of the meta parameters to Debug logger.