public static CircuitBreakerRpcClientBuilder builder(
            CircuitBreakerRuleWithContent<RpcResponse> ruleWithContent) {
        return new CircuitBreakerRpcClientBuilder(ruleWithContent);
    }
Returns a new {@link CircuitBreakerRpcClientBuilder} with
the specified {@link CircuitBreakerRuleWithContent}.
core/src/main/java/com/linecorp/armeria/client/circuitbreaker/CircuitBreakerRpcClient.java