import P from 'pino';
import { MultiThreadedEngine } from './multi-threaded-engine';
import { EngineInterface, EngineConfig } from './types';
import { SingleThreadedEngine } from './engine';
/**
 * A single- or multi-threaded Nitro Engine
 *
 * @remarks
 * The number of threads is specified in the supplied {@link @statechannels/server-wallet#RequiredServerEngineConfig | configuration}.
 */
export declare abstract class Engine extends SingleThreadedEngine implements EngineInterface {
    static create(engineConfig: EngineConfig, logger: P.Logger): Promise<SingleThreadedEngine | MultiThreadedEngine>;
}
export * from '../config';
export * from './types';
export { SingleThreadedEngine, MultiThreadedEngine };
export declare function defaultTestEngineConfig(partialConfig?: Partial<EngineConfig>): EngineConfig;
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