{"ast_node_type":"variable","tokens":[{"end":91,"kind":"keyword","start":0,"text":"&&"}]}
            && let maybe_trait_item_def_id = assoc_item.trait_item_def_id.unwrap_or(def_id)
            // so we fetch the parent and verify if it's a trait item.
            && let maybe_trait_def_id = self.tcx.parent(maybe_trait_item_def_id)