pma/templates/columns_definitions/transformation_option.twig

{% set options_key = type_prefix ~ 'transformation_options' %}
<input id="field_{{ column_number }}_{{ ci - ci_offset }}"
    type="text"
    name="field_{{ options_key }}[{{ column_number }}]"
    size="16"
    class="textfield"
    value="{% if column_meta['Field'] is defined and mime_map[column_meta['Field']][options_key] is defined -%}
        {{- mime_map[column_meta['Field']][options_key] -}}
    {%- endif %}" />