@NotNull
protected final PsiElement[] invokeDialog(final Project project, final PsiDirectory directory) {
log.debug("invokeDialog");
final MyInputValidator validator = new MyInputValidator(project, directory);
Messages.showInputDialog(
project, getDialogPrompt(), getDialogTitle(), Messages.getQuestionIcon(), "", validator);
final PsiElement[] elements = validator.getCreatedElements();
log.debug("Result: " + Arrays.toString(elements));
return elements;
}