internal static IEnumerable <CultureInfo> GetDsnCultures(MailboxSession mailboxSession, HeaderList headerList, DsnHumanReadableWriter dsnWriter)
{
if (mailboxSession != null)
{
return(mailboxSession.InternalGetMailboxCultures());
}
CultureInfo cultureInfo = null;
if (headerList != null)
{
Header acceptLanguageHeader = null;
Header contentLanguageHeader = headerList.FindFirst(HeaderId.ContentLanguage);
cultureInfo = dsnWriter.GetDsnCulture(acceptLanguageHeader, contentLanguageHeader, true, null);
}
if (cultureInfo != null)
{
return(new CultureInfo[]
{
cultureInfo
});
}
return(Array <CultureInfo> .Empty);
}
