public void setIpv4Prefixes(java.util.Collection<String> ipv4Prefixes) {
        if (ipv4Prefixes == null) {
            this.ipv4Prefixes = null;
            return;
        }

        this.ipv4Prefixes = new java.util.ArrayList<String>(ipv4Prefixes);
    }
<p>
The IPv4 prefixes at the client location that was impacted by the health event.
</p>

@param ipv4Prefixes
       The IPv4 prefixes at the client location that was impacted by the health event.
aws-java-sdk-internetmonitor/src/main/java/com/amazonaws/services/internetmonitor/model/ImpactedLocation.java