public void setDefaultLoadBalancingPolicy(final String defaultLoadBalancingPolicy) {
        this.defaultLoadBalancingPolicy = defaultLoadBalancingPolicy;
    }
Sets the default load balancing policy for this channel. This config might be overwritten by the service config
received from the target address. The names have to be resolvable from the {@link LoadBalancerRegistry}. By
default this the {@code round_robin} policy. Please note that this policy is different from the normal grpc-java
default policy {@code pick_first}.

@param defaultLoadBalancingPolicy The default load balancing policy to use or null to use the fallback.
grpc-client-spring-boot-starter/src/main/java/net/devh/boot/grpc/client/config/GrpcChannelProperties.java