syntax_data: {"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"interner.parent(self.def_id)"}]}
source_snippet:         interner.parent(self.def_id)
context_before:         assert_eq!(self.kind(interner), AliasTyKind::Projection, "expected a projection");
context_after:     }