import type { EventType, LightDrawEvent } from '../types';
type EventHandler = (event: LightDrawEvent) => void;
export declare class EventEmitter {
    private listeners;
    on(type: EventType, handler: EventHandler): this;
    off(type: EventType, handler?: EventHandler): this;
    once(type: EventType, handler: EventHandler): this;
    emit(type: EventType, event: LightDrawEvent): boolean;
    hasListeners(type?: EventType): boolean;
    removeAllListeners(): void;
}
export declare function createEvent(type: EventType, target: unknown, originalEvent: Event, x: number, y: number, worldX: number, worldY: number, payload?: unknown): LightDrawEvent & {
    propagationStopped: boolean;
};
export {};