{"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"#[derive(HashStable_Generic,"}]}
#[derive(HashStable_Generic, PrintAttribute)]
#[derive(Encodable, Decodable, PartialEq, Copy, Clone, Debug, Eq, PartialOrd, Ord, Hash)]
pub enum StableSince {