---@diagnostic disable: missing-return, lowercase-global

---@param mailID number
---@return string packageIcon
---@return string stationeryIcon
---@return string sender
---@return string subject
---@return number money
---@return number CODAmount
---@return number daysLeft
---@return number itemCount
---@return 1nil wasRead
---@return 1nil wasReturned
---@return 1nil textCreated
---@return 1nil canReply
---@return 1nil isGM
---@return number itemQuantity
---Returns information about a mail in the player's inbox
function GetInboxHeaderInfo(mailID) end