import type { DreamBisectInput, DreamRefineInput } from '../semantic/types';
import type { DreamWorkerProgressHandler, DreamWorkerRunner } from './protocol';
export interface DreamWorkerClientOptions {
    workerPath?: string;
    onFailure?: (error: Error) => void;
}
export declare class LivingMemoryDreamWorkerClient implements DreamWorkerRunner {
    private readonly workerPath;
    private readonly onFailure?;
    private worker;
    private readonly pending;
    private nextRequestId;
    private failure;
    private closed;
    constructor(options?: DreamWorkerClientOptions);
    start(): Promise<void>;
    bisect(input: DreamBisectInput, onProgress?: DreamWorkerProgressHandler): Promise<import("../semantic/types").DreamBisectResult>;
    refine(input: DreamRefineInput): Promise<import("../semantic/types").DreamRefineResult>;
    stop(): Promise<void>;
    private request;
    private handleResponse;
    private fail;
}