{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"WellKnownTrait::Unsize"}]}
        WellKnownTrait::Unsize => LangItem::Unsize,
        WellKnownTrait::Unpin => LangItem::Unpin,
        WellKnownTrait::Pointee => LangItem::PointeeTrait,