public static String getIteratorKind(PsiClass resolvedClass) {
    if (InheritanceUtil.isInheritor(resolvedClass, CommonClassNames.JAVA_LANG_ITERABLE)) {
      return CommonClassNames.JAVA_LANG_ITERABLE;
    }
    if (InheritanceUtil.isInheritor(resolvedClass, CommonClassNames.JAVA_UTIL_ITERATOR)) {
      return CommonClassNames.JAVA_UTIL_ITERATOR;
    }
    if (InheritanceUtil.isInheritor(resolvedClass, CommonClassNames.JAVA_UTIL_STREAM_STREAM)) {
      return CommonClassNames.JAVA_UTIL_STREAM_STREAM;
    }
    return null;
  }
public static String getIteratorKind(PsiClass resolvedClass)