public void setIPV4Range(String iPV4Range) {
        this.iPV4Range = iPV4Range;
    }
<p>
The IPv4 ranges for the security group rule.
</p>

@param iPV4Range
       The IPv4 ranges for the security group rule.
aws-java-sdk-fms/src/main/java/com/amazonaws/services/fms/model/SecurityGroupRuleDescription.java