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

---@return number levelIncrement
---Returns the item level increment recieved when upgrading. The item level increment returned depends on the type of item, i.e. blue items recieve 8 levels per upgrade while epic items recieve 4 per upgrade (which costs half as much). This function can currently only be called when at the upgrade merchant.
function GetItemLevelIncrement() end