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

---@alias resistanceIndex
---| 1 - Fire
---| 2 - Nature
---| 3 - Frost
---| 4 - Shadow
---| 5 - Arcane

---@param unit string
---@param resistanceIndex resistanceIndex
---@return number base
---@return number resistance
---@return number positive
---@return number negative
---Returns information about the player's or pet's magic resistance
function UnitResistance(unit, resistanceIndex) end