public void setIpv4Prefix(String ipv4Prefix) {
        this.ipv4Prefix = ipv4Prefix;
    }
<p>
The IPv4 delegated prefixes assigned to the network interface.
</p>

@param ipv4Prefix
       The IPv4 delegated prefixes assigned to the network interface.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/Ipv4PrefixSpecificationResponse.java