{"ast_node_type":"function","tokens":[{"end":90,"kind":"keyword","start":0,"text":"DefWithBodyId::FunctionId(it)"}]}
        DefWithBodyId::FunctionId(it) => format!("fn {}", item_name(db, it, "<missing>")),
    let header = match owner {
        DefWithBodyId::StaticId(it) => format!("static {} = ", item_name(db, it, "<missing>")),