import type { SandboxMessage } from '../types.js';
type Callback = (message: SandboxMessage) => void;
export declare class EventBus {
    private subscribers;
    subscribe(jobId: string, callback: Callback): () => void;
    emit(jobId: string, message: SandboxMessage): void;
    emitComplete(jobId: string, result: string): void;
}
export {};