syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: ///     - `Bar<T>: Send` -- would be nice for this to be a cache hit!
context_before: ///   - `Baz<T>: Send`
context_after: ///     - `*const T: Send` -- but what if we later encounter an error?