fn main() {
// This build script enforces that backend features are mutually exclusive.
// let features: &[&'static str] = &[
// #[cfg(feature = "use_smolstr")]
// "use_smolstr",
// // Add other potential backend features here in the future
// // e.g., #[cfg(feature = "backend-other")] "backend-other",
// ];
//
// if features.len() > 1 {
// panic!("Error: The following backend features are mutually exclusive and cannot be enabled at the same time: {features:?}");
// }
}