public NetworkInfo withDefaultNetworkCardIndex(Integer defaultNetworkCardIndex) {
        setDefaultNetworkCardIndex(defaultNetworkCardIndex);
        return this;
    }
<p>
The index of the default network card, starting at 0.
</p>

@param defaultNetworkCardIndex
       The index of the default network card, starting at 0.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/NetworkInfo.java