@nodiscard

---@nodiscard
---@nodiscard "Reason or alternative"

---@nodiscard
---@return string
function GetPlayerToken(ply)
    return ply:SteamID64()
end

-- This will trigger a warning:
GetPlayerToken(ply)  -- ❌ discard-returns: return value is unused

-- This is fine:
local token = GetPlayerToken(ply)  -- ✅

---@nodiscard "Use the returned handle to cancel the timer"
---@return TimerHandle
function StartBackgroundTimer(callback)
    -- ...
end