syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"trait_ref:"}]}
source_snippet:                 trait_ref: inner_most_trait_ref,
context_before:             segment_visitor(VtblSegment::TraitOwnEntries {
context_after:                 emit_vptr: emit_vptr && has_entries && !tcx.sess.opts.unstable_opts.no_trait_vptr,