/**
 * Copyright Microsoft Corporation. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { ProcessHost } from './processHost';
import { ipc } from '../common';
import type { TestGroup } from './testGroups';
type WorkerHostOptions = {
    parallelIndex: number;
    config: ipc.SerializedConfig;
    extraEnv: Record<string, string | undefined>;
    outputDir: string;
    pauseOnError: boolean;
    pauseAtEnd: boolean;
};
export declare class WorkerHost extends ProcessHost {
    readonly parallelIndex: number;
    readonly workerIndex: number;
    private _hash;
    private _params;
    private _didFail;
    constructor(testGroup: TestGroup, options: WorkerHostOptions);
    start(): Promise<import("./processHost").ProcessExitData | undefined>;
    onExit(): Promise<void>;
    stop(didFail?: boolean): Promise<void>;
    runTestGroup(runPayload: ipc.RunPayload): void;
    sendCustomMessage(payload: ipc.CustomMessageRequestPayload): Promise<ipc.CustomMessageResponsePayload>;
    sendResume(payload: ipc.ResumePayload): void;
    hash(): string;
    projectId(): string;
    didFail(): boolean;
}
export {};
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