code: @Deprecated
      public static ListFormatter getInstance(ULocale locale, Style style) {
          return cache.get(locale, style.getName());
      }
docs: Create a list formatter that is appropriate for a locale and style.
  
  @param locale the locale in question.
  @param style the style
  @return ListFormatter
  @deprecated This API is ICU internal only.
  @hide draft / provisional / internal are hidden on Android