{"ast_node_type":"other","tokens":[{"end":19,"kind":"keyword","start":0,"text":"///"}]}
///     // `impl_m`
/// impl<'i, 'j, U> Trait<'j, &'i U> for Foo {
///     fn method<'b, N>(t: &'j &'i U, m: &'b N) -> Foo { Foo }