import { BuildManifest, BuildTarget, TaskRunExecutionPayload, TaskRunExecutionResult } from "@trigger.dev/core/v3";
import { EventEmitter } from "node:events";
import { BackgroundWorker } from "../dev/backgroundWorker.js";
export type EventBusEvents = {
    rebuildStarted: [BuildTarget];
    buildStarted: [BuildTarget];
    workerSkipped: [];
    backgroundWorkerInitialized: [BackgroundWorker];
    backgroundWorkerIndexingError: [BuildManifest, Error];
    runStarted: [BackgroundWorker, TaskRunExecutionPayload];
    runCompleted: [BackgroundWorker, TaskRunExecutionPayload, TaskRunExecutionResult, number];
};
export type EventBusEventArgs<T extends keyof EventBusEvents> = EventBusEvents[T];
export declare const eventBus: EventEmitter<EventBusEvents>;