public static PsiClassType @NotNull [] getImplementsListTypes(@NotNull PsiClass psiClass) {
    PsiReferenceList extendsList = psiClass.getImplementsList();
    if (extendsList != null) {
      return extendsList.getReferencedTypes();
    }
    return PsiClassType.EMPTY_ARRAY;
  }
public static PsiClassType @NotNull [] getImplementsListTypes(@NotNull PsiClass psiClass)