6 files declare their use of CustomFilter in Custom filter 8

customfilter.module in ./customfilter.module

Allows the users with the right permission to define custom filters.

CustomFilterBaseFilter.php in src/Plugin/Filter/CustomFilterBaseFilter.php

CustomFilterForm.php in src/Form/CustomFilterForm.php

CustomFilterRulesDeleteForm.php in src/Form/CustomFilterRulesDeleteForm.php

RulesAddEditForm.php in src/Form/RulesAddEditForm.php

RulesForm.php in src/Form/RulesForm.php