public AwsEc2LaunchTemplateDataBlockDeviceMappingSetDetails withVirtualName(String virtualName) {
        setVirtualName(virtualName);
        return this;
    }
<p>
The virtual device name (ephemeralN). Instance store volumes are numbered starting from 0. An instance type with
2 available instance store volumes can specify mappings for <code>ephemeral0</code> and <code>ephemeral1</code>.
The number of available instance store volumes depends on the instance type.
</p>

@param virtualName
       The virtual device name (ephemeralN). Instance store volumes are numbered starting from 0. An instance
       type with 2 available instance store volumes can specify mappings for <code>ephemeral0</code> and
       <code>ephemeral1</code>. The number of available instance store volumes depends on the instance type.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsEc2LaunchTemplateDataBlockDeviceMappingSetDetails.java