jodd-madvoc/src/main/java/jodd/madvoc/component/ResultsManager.java
private ActionResult lookupAndRegisterIfMissing(final Class<? extends ActionResult> actionResultClass) {
		ActionResult actionResult = allResults.get(actionResultClass);

		if (actionResult == null) {
			actionResult = register(actionResultClass);
		}

		return actionResult;
	}
private ActionResult lookupAndRegisterIfMissing(final Class<? extends ActionResult> actionResultClass) {
		ActionResult actionResult = allResults.get(actionResultClass);

		if (actionResult == null) {
			actionResult = register(actionResultClass);
		}

		return actionResult;
	}
Lookups for action result and {@link #register(Class) registers} it if missing.