// Token: 0x060003DC RID: 988 RVA: 0x0001BE44 File Offset: 0x0001A044 internal UpgradeStatus UpgradeIfNecessary() { UpgradeStatus result = UpgradeStatus.None; if (this.MailboxNeedsUpgrading()) { ElcMailboxHelper.UpgradeElcMailbox(this.dataForTags.MailboxSession, this.dataForTags.AllAdTags, out result); } return(result); }