syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:         for example: `-Z self-profile-events=default,query-keys`
context_before:         "specify the events recorded by the self profiler;
context_after:         all options: none, all, default, generic-activity, query-provider, query-cache-hit