syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"&'tcx"}]}
source_snippet:     &'tcx ty::List<ty::ArgOutlivesPredicate<'tcx>> : mk_outlives,
context_before:     &'tcx ty::List<ty::Pattern<'tcx>> : mk_patterns,
context_after: }