pub trait StateProxyInterface: Send + Sync {
type SetResponseFut: Future<Output = Result<StateSetResult, Error>> + Send;
type GetResponseFut: Future<Output = Result<SystemActivityGovernorState, Error>> + Send;
type WatchResponseFut: Future<Output = Result<SystemActivityGovernorState, Error>> + Send;
// Required methods
fn set(&self, payload: &SystemActivityGovernorState) -> Self::SetResponseFut;
fn get(&self) -> Self::GetResponseFut;
fn watch(&self) -> Self::WatchResponseFut;
}