import type { LisaEvent, LisaEventType } from './events';
/**
 * Event handler function type.
 */
export type EventHandler<T extends LisaEvent> = (event: T) => Promise<void>;
/**
 * Event emitter interface for Lisa events.
 */
export interface IEventEmitter {
    /**
     * Emit an event to all registered handlers.
     * @param event - Event to emit
     */
    emit(event: LisaEvent): Promise<void>;
    /**
     * Register a handler for a specific event type.
     * @param type - Event type to listen for
     * @param handler - Handler function
     */
    on<T extends LisaEventType>(type: T, handler: EventHandler<Extract<LisaEvent, {
        type: T;
    }>>): void;
    /**
     * Remove a handler for a specific event type.
     * @param type - Event type
     * @param handler - Handler to remove
     */
    off<T extends LisaEventType>(type: T, handler: EventHandler<Extract<LisaEvent, {
        type: T;
    }>>): void;
}
//# sourceMappingURL=IEventEmitter.d.ts.map