{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"//"}]}
                    // PtrToPtr-then-Transmute is fine so long as the pointer cast is identity:
                    (PtrToPtr, PtrToPtr) => Some(PtrToPtr),
                    // `*const T -> *mut T -> NonNull<T>` is fine, but we need to check for narrowing