syntax_data: {"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"ty::PolyTraitPredicate<'tcx>,"}]}
source_snippet:             ty::PolyTraitPredicate<'tcx>,
context_before:         traits: &mut FxIndexMap<
context_after:             FxIndexMap<DefId, ty::Binder<'tcx, Term<'tcx>>>,