syntax_data: {"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// type cannot be constructed outside of this crate.
context_before: /// The `()` field is necessary: it is non-`pub`, which means values of this
context_after: #[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, PartialOrd, Ord)]