def handlers_config
      handlers = registry.handlers

      root.config :handlers do
        handlers.each do |handler|
          if handler.configuration_builder.children?
            combine(handler.namespace, handler.configuration_builder)
          end
        end
      end
    end
def handlers_config
      handlers = registry.handlers

      root.config :handlers do
        handlers.each do |handler|
          if handler.configuration_builder.children?
            combine(handler.namespace, handler.configuration_builder)
          end
        end
      end
    end
Builds config.handlers