/**
 * Hook Functions
 * @public
 * @noSelf
 */
declare namespace hook {

    type eventNames = "exit"|"chat"|"player_join"|"player_leave"|"script";

    function add_event_listener(eventName: "exit", callback: (code: integer) => void|never): int;
    function add_event_listener(eventName: "chat", callback: (player: integer, body: string) => void|never): int;
    function add_event_listener(eventName: "player_join", callback: (player: integer) => void|never): int;
    function add_event_listener(eventName: "player_leave", callback: (player: integer) => void|never): int;
    function add_event_listener(eventName: "script", callback: (id: integer, params: vector<int>) => void|never): int;

    function remove_event_listener(eventName: eventNames, id: int): boolean;

}