Use case: as part of the review process allow user to select a predefined workflow template
The behaviour of the UI should change depending on the task template selected.
Examples of workflow templates:
"static" workflow with a fixed number of review tasks;
parallel review workflow with conditional tasks and/or ability to add ad-hoc review tasks on the fly;
nested workflows
If user has only one template available to them, then that is automateically selected without offering options.