assert info != null;
assert commands != null;
assert properties != null;
List<Job> jobs = Lists.create();
for (StageInfo stage : info.getStages()) {
jobs.add(new Job(stage.getClassName(), commands.getExecutionId(), properties));
}
List<Command> initializers = Lists.create();
List<Command> importers = Lists.create();
List<Command> exporters = Lists.create();