{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"#[derive(Debug,"}]}
#[derive(Debug, Copy, Clone, PartialEq, Eq, Encodable, Decodable, Hash, HashStable_Generic)]
/// Annoyingly similar to `NonterminalKind`, but the slight differences are important.
pub enum MetaVarKind {