/**
 * Copyright (c) Microsoft Corporation.
 *
 * 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.
 */
export declare function getFromENV(name: string): string | undefined;
export declare function getAsBooleanFromENV(name: string, defaultValue?: boolean | undefined): boolean;
export declare function getPackageManager(): "yarn" | "pnpm" | "npm";
export declare function getPackageManagerExecCommand(): "npx" | "yarn" | "pnpm exec";
export declare function isLikelyNpxGlobal(): boolean;
export declare function setPlaywrightTestProcessEnv(): string;
export declare function guessClientName(): string;
export declare function isCodingAgent(): boolean;
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