Search() can return a UniqueIdRange which is read-only
Search() can return a UniqueIdRange which is read-only

jstedfast/MailKit,jamie-dainton/MailKit,sstraus/MailKit,nachocove/MailKit,dsbenghe/MailKit,eino-makitalo/MailKit,matt2003/MailKit,mganss/MailKit