import Component from '../core/Component.js';
/**
 * Component that allows an entity to emit and listen for local events.
 */
export default class EventBusComponent extends Component {
    private events;
    /**
     * Listens for a local event on this entity.
     * @param type The event type.
     * @param callback The function to run when the event occurs.
     */
    on(type: string, callback: (event: CustomEvent) => void): void;
    /**
     * Stops listening for a local event.
     * @param type The event type.
     * @param callback The function to remove.
     */
    off(type: string, callback: (event: CustomEvent) => void): void;
    /**
     * Emits a local event on this entity.
     * @param type The event type.
     * @param detail Optional data to pass with the event.
     */
    emit(type: string, detail?: unknown): void;
}