# File lib/hammer_cli/options/normalizers.rb, line 29
        def format(val)
          return {} unless val.is_a?(String)

          val.split(",").inject({}) do |result, item|
            parts = item.split("=")
            if parts.size != 2
              raise ArgumentError, _("value must be defined as a comma-separated list of key=value")
            end
            result.update(parts[0] => parts[1])
          end
        end