{%- macro unbound_option(option, padding = 0) -%}
  {{- '' if (padding == 0) else (' ' * 4 * padding) -}}

  {% if option.value is boolean -%}
    {{ option.key }}: {{ 'yes' if option.value else 'no' }}
  {% elif option.value is string and ((option.value == '') or (option.key in unbound_string_parameters)) -%}
    {{ option.key }}: "{{ option.value }}"
  {% elif option.value | type_debug == 'list' -%}
    {%- for suboption in option.value -%}
      {%- if loop.first -%}
        {{- unbound_option({ 'key': option.key, 'value': suboption}, 0) -}}
      {%- else -%}
        {{- unbound_option({ 'key': option.key, 'value': suboption}, padding) -}}
      {%- endif -%}
    {% endfor -%}
  {% elif option.value is mapping -%}
    {{ option.key }}:
    {% for suboption in (option.value | dict2items) -%}
      {{ unbound_option(suboption, padding + 1) -}}
    {% endfor -%}
  {% elif option.value != None -%}
    {{ option.key }}: {{ option.value }}
  {% endif -%}
{%- endmacro -%}



{% for option in (unbound_cfg | d({}) | dict2items) -%}
  {{ unbound_option(option) -}}
{%- endfor -%}