It seems like trans('expendable::datatable.id') can also be of type array; however, parameter $translation of Distilleries\DatatableBu...loquentDatatable::add() does only seem to accept Symfony\Component\Transl...nslatorInterface|string, maybe add an additional type check?
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Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the ignore-type annotation