public Subnet withAvailableIpAddressCount(Integer availableIpAddressCount) {
        setAvailableIpAddressCount(availableIpAddressCount);
        return this;
    }
<p>
The number of unused private IPv4 addresses in the subnet. The IPv4 addresses for any stopped instances are
considered unavailable.
</p>

@param availableIpAddressCount
       The number of unused private IPv4 addresses in the subnet. The IPv4 addresses for any stopped instances
       are considered unavailable.
@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/Subnet.java