syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
source_snippet: impl<'tcx> ty::Binder<'tcx, ty::TraitRef<'tcx>> {
context_before: #[extension(pub trait PrintPolyTraitRefExt<'tcx>)]
context_after:     fn print_only_trait_path(self) -> ty::Binder<'tcx, TraitRefPrintOnlyTraitPath<'tcx>> {