{"ast_node_type":"other","tokens":[{"end":104,"kind":"keyword","start":0,"text":"impl<'a,"}]}
        impl<'a, 'b: 'a, T: PointeeSized + Unsize<U>, U: PointeeSized> CoerceUnsized<&'a U> for &'b T {}
        impl<'a, T: PointeeSized + Unsize<U>, U: PointeeSized> CoerceUnsized<*const U> for &'a T {}