---@diagnostic disable: missing-return, lowercase-global ---@meta ---@param id number ---@return number numCompleted ---Returns the number of achievements completed by the comparison unit within a category.   Only accurate once the INSPECT_ACHIEVEMENT_READY event has fired following a call to SetAchievementComparisonUnit(). No longer accurate once ClearAchievementComparisonUnit() is called. function GetComparisonCategoryNumAchievements(id) end