syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":")"}]}
source_snippet:     ) -> ty::Binder<'tcx, TraitPredPrintWithBoundConstness<'tcx>> {
context_before:         constness: Option<ty::BoundConstness>,
context_after:         self.map_bound(|trait_pred| TraitPredPrintWithBoundConstness(trait_pred, constness))