public java.util.List<LaunchTemplateBlockDeviceMapping> getBlockDeviceMappings() {
        if (blockDeviceMappings == null) {
            blockDeviceMappings = new com.amazonaws.internal.SdkInternalList<LaunchTemplateBlockDeviceMapping>();
        }
        return blockDeviceMappings;
    }
<p>
The block device mappings.
</p>

@return The block device mappings.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/ResponseLaunchTemplateData.java