{"ast_node_type":"other","tokens":[{"end":19,"kind":"keyword","start":0,"text":"to_ty:"}]}
        to_ty: &Ty,
        from_ty: &Ty,
        // [Comment from rustc](https://github.com/rust-lang/rust/blob/4cc494bbfe9911d24f3ee521f98d5c6bb7e3ffe8/compiler/rustc_hir_typeck/src/coercion.rs#L85-L89)