docs: public void setReturnType(String type) {
  		if (!Strings.isEmpty(type)
  				&& !Objects.equals("void", type)
  				&& !Objects.equals(Void.class.getName(), type)) {
  			this.sarlAction.setReturnType(newTypeRef(container, type));
  		} else {
  			this.sarlAction.setReturnType(null);
  		}
  	}