syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// see call sites to fold_kind_no_missing_regions_error
context_before:     map: FxHashMap<GenericArg<'tcx>, GenericArg<'tcx>>,
context_after:     /// for an explanation of this field.