private static boolean isConcatenatorType(PsiType type) {
    return TypeUtils.typeEquals(CommonClassNames.JAVA_LANG_STRING_BUFFER, type) ||
           TypeUtils.typeEquals(CommonClassNames.JAVA_LANG_STRING_BUILDER, type) ||
           TypeUtils.typeEquals(STRING_JOINER, type);
  }
private static boolean isConcatenatorType(PsiType type)