{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"SyntaxExtensionKind::Derive(expander)"}]}
                SyntaxExtensionKind::Derive(expander)
            InvocationKind::Derive { path, item, is_const } => match ext {
                | SyntaxExtensionKind::LegacyDerive(expander) => {