syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // The performance wins from the cache all come from caching non-leaf nodes.
context_before:         // rarely (never?) subsequently be searched for, but it's hard to know if that is the case.
context_after:         self.lint_level_roots_cache.insert(orig_id.local_id);