upgradeHistories
A list of <a>UpgradeHistory</a> objects corresponding to each Upgrade or Upgrade Eligibility Check performed on a domain returned as part of <a>GetUpgradeHistoryResponse</a> object.
A list of <a>UpgradeHistory</a> objects corresponding to each Upgrade or Upgrade Eligibility Check performed on a domain returned as part of <a>GetUpgradeHistoryResponse</a> object.