{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"///"}]}
/// corresponding `Foo` type is always stored on its own, e.g.: `P<Foo>`,
/// In general, a `visit_foo` method should be implemented here if the
/// `Box<Foo>`, `Vec<Foo>`, `Box<[Foo]>`.