public NetworkInterface withPrivateIpv4Address(String privateIpv4Address) {
        setPrivateIpv4Address(privateIpv4Address);
        return this;
    }
<p>
The private IPv4 address for the network interface.
</p>

@param privateIpv4Address
       The private IPv4 address for the network interface.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/NetworkInterface.java