syntax_data: {"ast_node_type":"import","tokens":[{"end":76,"kind":"keyword","start":0,"text":"//"}]}
source_snippet: // `Ty`/`Const`/`Predicate`, but not within those types. This is because the
context_before: // Note: this visitor traverses values down to the level of
context_after: // type flags at the outer layer are enough. So it's faster than it first