code: def def_delegator(accessor, method, alias_ = method, **kwd)
        kwd, alias_ = alias_, method if alias_.is_a?(Hash) && !kwd.any?
  
        if alias_.is_a?(Hash) || !kwd.any?
          Forwardable.instance_method(:def_delegator).bind(self) \
            .call(accessor, method, alias_)
  
        elsif !kwd[:type]
          def_modern_delegator(
            accessor, method, alias_, **kwd
          )
  
        else
          raise ArgumentError, "Alias not supported." if alias_ != method
          send("def_#{kwd[:type]}_delegator", accessor, method, **kwd.tap do |obj|
            obj.delete(:type)
          end)
        end
      end
docs: ------------------------------------------------------------------------
   Wraps around traditional delegation and modern delegation.
   ------------------------------------------------------------------------