syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"#[derive(TypeFoldable_Generic,"}]}
source_snippet: #[derive(TypeFoldable_Generic, TypeVisitable_Generic)]
context_before: #[derive(Clone, Copy, Debug, PartialEq, Eq)]
context_after: pub struct ExpectedFound<T> {