syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"ty::BoundTyKind::Param(def_id)"}]}
source_snippet:             ty::BoundTyKind::Param(def_id) => write!(f, "{def_id:?}"),
context_before:             ty::BoundTyKind::Anon => write!(f, "{:?}", self.var),
context_after:         }