syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"DefKind::TyAlias"}]}
source_snippet:                     DefKind::TyAlias | DefKind::AssocTy => {
context_before:                 match self.tcx().def_kind(parent) {
context_after:                         // NOTE: I know we should check for NO_QUERIES here, but it's alright.