public WorkflowModel getWorkflow(String workflowId, boolean includeTasks) {
        return executionDAOFacade.getWorkflowModel(workflowId, includeTasks);
    }
@param workflowId the id of the workflow
@param taskReferenceName the referenceName of the task to be skipped
@param skipTaskRequest the {@link SkipTaskRequest} object
@throws IllegalStateException
core/src/main/java/com/netflix/conductor/core/execution/WorkflowExecutor.java