# File lib/new_relic/agent/error_trace_aggregator.rb, line 92
      def register_config_callbacks
        Agent.config.register_callback('error_collector.enabled''error_collector.enabled') do |enabled|
          ::NewRelic::Agent.logger.debug "Error traces will #{enabled ? '' : 'not '}be sent to the New Relic service."
        end
      end