@Override
    @Deprecated
    public DeleteSystemInstanceResult deleteSystemInstance(DeleteSystemInstanceRequest request) {
        request = beforeClientExecution(request);
        return executeDeleteSystemInstance(request);
    }
<p>
Deletes a system instance. Only system instances that have never been deployed, or that have been undeployed can
be deleted.
</p>
<p>
Users can create a new system instance that has the same ID as a deleted system instance.
</p>

@param deleteSystemInstanceRequest
@return Result of the DeleteSystemInstance operation returned by the service.
@throws InvalidRequestException
@throws ThrottlingException
@throws InternalFailureException
@throws ResourceInUseException
@sample AWSIoTThingsGraph.DeleteSystemInstance
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/iotthingsgraph-2018-09-06/DeleteSystemInstance"
     target="_top">AWS API Documentation</a>
aws-java-sdk-iotthingsgraph/src/main/java/com/amazonaws/services/iotthingsgraph/AWSIoTThingsGraphClient.java