Update HelperFunctionTrait to support getter functions for `_meta`
Update HelperFunctionTrait to support getter functions for `_meta`

adamwathan/jigsaw,adamwathan/jigsaw,quickliketurtle/jigsaw,tightenco/jigsaw,quickliketurtle/jigsaw,quickliketurtle/jigsaw,tightenco/jigsaw,tightenco/jigsaw