pub trait SuspendBlockerProxyInterface: Send + Sync {
type BeforeSuspendResponseFut: Future<Output = Result<(), Error>> + Send;
type AfterResumeResponseFut: Future<Output = Result<(), Error>> + Send;
// Required methods
fn before_suspend(&self) -> Self::BeforeSuspendResponseFut;
fn after_resume(&self) -> Self::AfterResumeResponseFut;
}