import { Worker } from 'node:cluster';
export declare const getClusterProcessType: (isClusterMode: boolean) => ProcessType;
export type ProcessType = 'singleNode' | 'clusterMaster' | 'clusterWorker';
export declare const waitForWorker: (worker: Worker, timeoutMs: number) => Promise<unknown>;
export declare const notifyWorkerStarted: () => boolean | undefined;
export declare class WorkerManager {
    private isTerminating;
    private workers;
    start({ workerCount, env }: {
        workerCount: number;
        env?: any;
    }): Promise<void>;
    private startWorker;
    terminate(signal: NodeJS.Signals): Promise<void>;
}
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