{"ast_node_type":"other","tokens":[{"end":33,"kind":"keyword","start":0,"text":"//"}]}
    // Only flip on the `+` token
pub(crate) fn flip_trait_bound(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
    let plus = ctx.find_token_syntax_at_offset(T![+])?;