syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"Res::Def(DefKind::ConstParam,"}]}
source_snippet:             Res::Def(DefKind::ConstParam, def_id) => {
context_after:                 let hir_id = self.tcx.local_def_id_to_hir_id(def_id.expect_local());