pub trait StatelessKeyManagerProxyInterface: Send + Sync {
type GetHardwareDerivedKeyResponseFut: Future<Output = Result<StatelessKeyManagerGetHardwareDerivedKeyResult, Error>> + Send;
// Required method
fn get_hardware_derived_key(
&self,
key_info: &[u8],
) -> Self::GetHardwareDerivedKeyResponseFut;
}