public void setAssignedIpv4Prefixes(java.util.Collection<Ipv4PrefixSpecification> assignedIpv4Prefixes) {
        if (assignedIpv4Prefixes == null) {
            this.assignedIpv4Prefixes = null;
            return;
        }

        this.assignedIpv4Prefixes = new com.amazonaws.internal.SdkInternalList<Ipv4PrefixSpecification>(assignedIpv4Prefixes);
    }
<p>
The IPv4 prefixes that are assigned to the network interface.
</p>

@param assignedIpv4Prefixes
       The IPv4 prefixes that are assigned to the network interface.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/AssignPrivateIpAddressesResult.java