Hook Intelligence and Callback Typing

hook.Add("PlayerSay", "MyAddon", function(sender, text, teamChat)
    -- sender is typed as Player, text as string, teamChat as boolean
end)

hook.Add("PlayerSpawned", "MyAddon", function(ply)
    -- Error: "PlayerSpawned" is not a known hook
    -- Quick fix: Did you mean "PlayerSpawn"?
end)

hook.Add("PlayerSay", "ChatFilter", function(sender, text, teamChat)
    sender:Kick("Spam") -- sender is typed as Player
    return ""            -- return type is inferred from hook signature
end)

ENT.Type = "anim"
ENT.Base = "base_anim"

function ENT:Initialize()
    self:SetModel("models/props_c17/oildrum001.mdl")
end

function ENT:Think()
end

function ENT:Use(activator, caller)
    -- activator is typed as Player, caller as Entity
end

gameevent.Listen("player_connect")
hook.Add("player_connect", "LogJoins", function(data)
    -- data is typed from the gameevent signature
end)