add missing virtual dtor
@ -68,6 +68,8 @@ class ResolvingLoadBalancingPolicy : public LoadBalancingPolicy {
RefCountedPtr<LoadBalancingPolicy::Config> lb_policy_config;
};
virtual ~ChannelConfigHelper() = default;
// Applies the service config to the channel.
virtual ApplyServiceConfigResult ApplyServiceConfig(
const Resolver::Result& result) = 0;