syntax_data: {"ast_node_type":"enum","tokens":[{"end":34,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet: pub enum RegionKind<I: Interner> {
context_before: #[cfg_attr(feature = "nightly", derive(Encodable_NoContext, Decodable_NoContext))]
context_after:     /// A region parameter; for example `'a` in `impl<'a> Trait for &'a ()`.