private static boolean isSuitablePrimitiveType(@Nullable PsiType type) {
    if (type == null) {
      return false;
    }
    return type.equals(PsiTypes.intType()) || type.equals(PsiTypes.byteType()) || type.equals(PsiTypes.shortType()) || type.equals(PsiTypes.charType());
  }
private static boolean isSuitablePrimitiveType(@Nullable PsiType type)