syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"&sopts.unstable_opts.self_profile_counter,"}]}
source_snippet:             &sopts.unstable_opts.self_profile_counter,
context_before:             sopts.unstable_opts.self_profile_events.as_deref(),
context_after:         );