# File lib/meta_programming/object.rb, line 62
      def define_chained_method(method_name, ext, &block)
        raise 'Must have a block defining the method body' unless block_given?
        with, without = Helpers.compose_chaining_symbols(method_name, ext)
        define_method(with, block)
        safe_alias_method_chain(method_name.to_sym, ext.to_sym)
      end