syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // inside of binders. We should be able to only use
context_before:     // FIXME(@lcnr): This method should not be necessary, we now normalize
context_after:     // `tcx.instantiate_bound_regions_with_erased`.