syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"ty::ReLateParam(ty::LateParamRegion"}]}
source_snippet:             ty::ReLateParam(ty::LateParamRegion { scope, kind }) => {
context_before:             ty::ReBound(debruijn, region) => Region::new_bound(tcx, debruijn, region),
context_after:                 Region::new_late_param(tcx, scope, kind)