Rd
constructor(requestSzr: ISerializer<TReq> = Polymorphic<TReq>(), responseSzr: ISerializer<TRes> = Polymorphic<TRes>())
constructor(cancellationScheduler: IScheduler? = null, handlerScheduler: IScheduler? = null, handler: (Lifetime, TReq) -> RdTask<TRes>)
constructor(cancellationScheduler: IScheduler? = null, handlerScheduler: IScheduler? = null, handler: (TReq) -> TRes)
Assigns a handler that executes the API synchronously.