6 files declare their use of FapiValidationFiltersInterface in Form API Validation 8.2

HtmlEntitiesFilter.php in src/Plugin/FapiValidationFilter/HtmlEntitiesFilter.php

LowercaseFilter.php in src/Plugin/FapiValidationFilter/LowercaseFilter.php

NumericFilter.php in src/Plugin/FapiValidationFilter/NumericFilter.php

StripTagsFilter.php in src/Plugin/FapiValidationFilter/StripTagsFilter.php

TrimFilter.php in src/Plugin/FapiValidationFilter/TrimFilter.php

UppercaseFilter.php in src/Plugin/FapiValidationFilter/UppercaseFilter.php