syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// not all closures are present in the map.
context_before:     /// Records the reasons that we picked the kind of each closure;
context_after:     closure_kind_origins: ItemLocalMap<(Span, HirPlace<'tcx>)>,