{"ast_node_type":"variable","tokens":[{"end":81,"kind":"keyword","start":0,"text":"let"}]}
    let (item, ident, is_stmt, sig_span) = if let Annotatable::Item(item) = &item
    // FIXME - if we get deref patterns, use them to reduce duplication here
        && let ItemKind::Fn(fn_kind) = &item.kind