{"ast_node_type":"variable","tokens":[{"end":54,"kind":"keyword","start":0,"text":"let"}]}
        let map = self.in_scope_traits_map(id.owner)?;
    pub fn in_scope_traits(self, id: HirId) -> Option<&'tcx [TraitCandidate]> {
        let candidates = map.get(&id.local_id)?;