syntax_data: {"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"self_profile_events:"}]}
source_snippet:     self_profile_events: Option<Vec<String>> = (None, parse_opt_comma_list, [UNTRACKED],
context_before:     /// keep this in sync with the event filter names in librustc_data_structures/profiling.rs
context_after:         "specify the events recorded by the self profiler;