{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"$crate::find_attr!($attributes_list,"}]}
        $crate::find_attr!($attributes_list, $pattern $(if $guard)? => ()).is_some()
    ($attributes_list: expr, $pattern: pat $(if $guard: expr)?) => {{
    }};