public async Task <IEnumerable <(global::Elsa.Models.WorkflowInstance, global::Elsa.Models.ActivityInstance)> > ListByBlockingActivityAsync(string activityType, string correlationId = null,
CancellationToken cancellationToken = default)
{
var documents = await _workflowInstanceRepository
.GetListByBlockingActivityAsync(activityType, correlationId, WorkflowStatus.Executing, true, cancellationToken);
var instances = Map(documents);
return(instances.GetBlockingActivities(activityType));
}