public IReadOnlyList<string> CloseJobs( 
   IReadOnlyList<string> jobIDs
)

// CloseJobs returns a list of closed job IDs
// it is passed a list of job IDs to close
var wfCon = await WorkflowModule.ConnectAsync();
var jobManager = wfCon.GetManager<JobsManager>();
var jobIDs = jobManager.CloseJobs(jobIdsToClose);