public VpnConnectionOptions withLocalIpv4NetworkCidr(String localIpv4NetworkCidr) {
        setLocalIpv4NetworkCidr(localIpv4NetworkCidr);
        return this;
    }
<p>
The IPv4 CIDR on the customer gateway (on-premises) side of the VPN connection.
</p>

@param localIpv4NetworkCidr
       The IPv4 CIDR on the customer gateway (on-premises) side of the VPN connection.
@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/VpnConnectionOptions.java