import { UpdateChannelParams } from '@statechannels/client-api-schema';
import P from 'pino';
import { EngineConfig, MultipleChannelOutput, SingleChannelOutput } from '../types';
export declare class WorkerManager {
    private pool?;
    private threadAmount;
    private logger;
    /**
     *
     * @param engineConfig engine config to be passed to the worker engine
     * @param onNewWorker callback that is executed when a new worker is created
     */
    constructor(engineConfig: EngineConfig, logger: P.Logger);
    warmUpThreads(): Promise<void>;
    /**
     *
     * @param {operation, args}: operation & arguments to send to worker
     * @returns a promise that
     *   - resolves when the worker thread sends a "right" message, containing a result
     *   - rejects rejects worker thread sends a "left" message, containing an error
     *
     * Sends {operation, args} to a worker thread.
     */
    private sendOperation;
    pushMessage(args: unknown): Promise<MultipleChannelOutput>;
    pushUpdate(args: unknown): Promise<SingleChannelOutput>;
    updateChannel(args: UpdateChannelParams): Promise<SingleChannelOutput>;
    destroy(): Promise<void>;
}
//# sourceMappingURL=manager.d.ts.map