docs: void enclose(TaskRequest req) {
  		parent = req;
  		if (this.parent != null) {
      		final HashMap<String, Object> mergedAttributes = new HashMap<String, Object>(this.parent.getAttributes());
      		mergedAttributes.putAll(this.attributes);
      		this.mergedAttributes = mergedAttributes;
  		}
  		else {
  		    this.mergedAttributes = this.attributes;
  		}
  	}