syntax_data: {"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"OpaqueFnEntry<'tcx>,"}]}
source_snippet:             OpaqueFnEntry<'tcx>,
context_before:             (ty::Binder<'tcx, (&'tcx ty::List<Ty<'tcx>>, Ty<'tcx>)>, bool),
context_after:         >,