public void setSizeInGb(Integer sizeInGb) {
        this.sizeInGb = sizeInGb;
    }
<p>
The size of the disk in GB (<code>32</code>).
</p>

@param sizeInGb
       The size of the disk in GB (<code>32</code>).
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/CreateDiskRequest.java