{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"valtree:"}]}
    valtree: InternedSet<'tcx, ty::ValTreeKind<'tcx>>,
    offset_of: InternedSet<'tcx, List<(VariantIdx, FieldIdx)>>,
    patterns: InternedSet<'tcx, List<ty::Pattern<'tcx>>>,