public void setSubWorkflowId(String subWorkflowId) {
        this.subWorkflowId = subWorkflowId;
        // For backwards compatibility
        if (this.outputData != null && this.outputData.containsKey("subWorkflowId")) {
            this.outputData.put("subWorkflowId", subWorkflowId);
        }
    }
@deprecated Used only for JSON serialization and deserialization.
core/src/main/java/com/netflix/conductor/model/TaskModel.java