{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"//"}]}
    // FIXME: How can we handle renaming any one of multiple anonymous lifetimes?
pub(crate) fn introduce_named_lifetime(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
    // FIXME: should also add support for the case fun(f: &Foo) -> &$0Foo