    # File lib/yard/code_objects/base.rb, line 367
          def docstring
            return @docstring if !@docstring_extra
            case @docstring
            when Proxy
              return @docstring_extra
            when Base
              @docstring = @docstring.docstring + @docstring_extra
              @docstring.add_tag(*@docstring_extra_tags)
              @docstring_extra = nil
              @docstring_extra_tags = nil
            end
            @docstring
          end