{"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":"#[derive(Encodable,"}]}
#[derive(Encodable, Decodable)]
#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, HashStable_Generic)]
pub enum SymbolManglingVersion {