syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"BoundRegionKind::Named(def_id)"}]}
source_snippet:             BoundRegionKind::Named(def_id) => LateParamRegionKind::Named(def_id),
context_before:             BoundRegionKind::Anon => LateParamRegionKind::Anon(var.as_u32()),
context_after:             BoundRegionKind::ClosureEnv => LateParamRegionKind::ClosureEnv,