public bool HasStaticHandler <T>(Supports <T> capability)
            where T : DynamicCapability, ConnectedCapability <IJsonRpcHandler>
        {
            if (!capability.IsSupported)
            {
                return(false);
            }
            if (capability.Value == null)
            {
                return(false);
            }
            if (capability.Value.DynamicRegistration)
            {
                return(false);
            }

            var handlerType = typeof(T).GetTypeInfo().ImplementedInterfaces
                              .Single(x => x.GetTypeInfo().IsGenericType&& x.GetTypeInfo().GetGenericTypeDefinition() == typeof(ConnectedCapability <>))
                              .GetTypeInfo().GetGenericArguments()[0].GetTypeInfo();

            return(!capability.Value.DynamicRegistration &&
                   _collection.Any(z =>
                                   z.HandlerType.GetTypeInfo().IsAssignableFrom(handlerType) ||
                                   z.Handler.GetType().GetTypeInfo().IsAssignableFrom(handlerType)));
        }