{"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"let"}]}
    let Lifetime { hir_id, ident, kind: _, source: _, syntax: _ } = lifetime;
pub fn walk_lifetime<'v, V: Visitor<'v>>(visitor: &mut V, lifetime: &'v Lifetime) -> V::Result {
    try_visit!(visitor.visit_id(*hir_id));