syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:     match tcx.def_key(def_id).disambiguated_data.data {
context_before: fn guess_def_namespace(tcx: TyCtxt<'_>, def_id: DefId) -> Namespace {
context_after:         DefPathData::TypeNs(..) | DefPathData::CrateRoot | DefPathData::OpaqueTy => {