@Nullable
public PsiElement findElementAt(int offset, Class<? extends Language> lang) {
final PsiFile mainRoot = getPsi(getBaseLanguage());
PsiElement ret = null;
for (final Language language : getLanguages()) {
if (!ReflectionCache.isAssignable(lang, language.getClass())) continue;
if (lang.equals(Language.class) && !getLanguages().contains(language)) continue;
final PsiFile psiRoot = getPsi(language);
final PsiElement psiElement = findElementAt(psiRoot, offset);
if (psiElement == null || psiElement instanceof OuterLanguageElement) continue;
if (ret == null || psiRoot != mainRoot) {
ret = psiElement;
}
}
return ret;
}
