/**
 * Register a callback for specified topic.
 * @method on
 * @param topic {string}      The topic name of the event
 * @param callback {function} The handler to be called when the event is triggered.
 *                            Passed the event data as the first argumnt
 * @return {any} an event handler id (can be used to stop listening for the event)
 */
export declare function on(topic: string, callback: (info: any) => void): any;
/**
 * Register a callback for specified topic, once only.  Automatically unregisters
 * from the event one triggered.
 * @method once
 * @param topic {string}      The topic name of the event
 * @param callback {function} The handler to be called when the event is triggered.
 *                            Passed the event data as the first argument
 * @return {any} an event handler id (can be used to stop listening for the event)
 */
export declare function once(topic: string, callback: (info: any) => void): any;
/**
 * Register a callback for specified topic, once only.  Automatically unregisters
 * from the event one triggered.
 * @method off
 * @param listener {any}      ID returned from a call to on() once() or addEventListener()
 */
export declare function off(listener: any): void;
/**
 * Trigger an event for a topic, passing the event data (by reference) to any registered
 * handlers.  If passing by reference is an issue, the caller is responsible for cloning.
 * @method fire
 * @param topic {string}  The topic name of the event
 * @param data {any}      Data to be passed to registered handlers
 */
export declare function fire(topic: string, data: any): void;
export declare function addListener(topic: string, callback: (info: any) => void): void;
export declare function removeListener(listener: any): void;
declare var _default: {
    clientEventTopics: {
        initialize: string;
        handlesAnnouncements: string;
        handlesBeginChat: string;
        handlesPlot: string;
        handlesLogging: string;
        handlesInventory: string;
        handlesFriendlyTarget: string;
        handlesEquippedGear: string;
        handlesEnemyTarget: string;
        handlesControlGameScore: string;
        handlesControlGame: string;
        handlesConsole: string;
        handlesChat: string;
        handlesCharacter: string;
    };
    on: (topic: string, callback: (info: any) => void) => any;
    once: (topic: string, callback: (info: any) => void) => any;
    off: (listener: any) => void;
    fire: (topic: string, data: any) => void;
    diagnostics: () => void;
    addListener: (topic: string, callback: (info: any) => void) => void;
    removeListener: (listener: any) => void;
};
export default _default;