import Delegate from '../base/Delegate';
/**
 * EventBus delegate contract.
 * Provides a generic interface for event emission,
 * subscription, and optional cleanup.
 */
export interface EventBusDelegate<EventMap extends Record<string, any>> extends Delegate {
    /** Emit an event with its payload */
    emit<K extends keyof EventMap>(type: K, payload: EventMap[K]): void;
    /** Subscribe to a specific event type */
    on<K extends keyof EventMap>(type: K, handler: (payload: EventMap[K]) => void): {
        unsubscribe: () => void;
    };
    /** Optional cleanup method */
    clear?(): void;
    getValue?(): {
        type: string | undefined;
        payload: unknown;
    } | null;
}
export default EventBusDelegate;