syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"#[derive(Clone,"}]}
source_snippet: #[derive(Clone, Debug, Encodable, Decodable, HashStable_Generic)]
context_before: /// Avoid using this if you have access to the original definition or call structures.
context_after: pub struct ExpnData {