/**
 * Detect whether the current page is running inside a Playwright test.
 *
 * @returns `true` when the URL contains the `@isPlaywright=true` query param.
 */
export declare const isPlaywrightEnv: () => boolean;
/**
 * Log to the console only in DEV mode inside a Playwright environment.
 *
 * @param args Values forwarded to `console.log`.
 */
export declare const pwLog: (...args: unknown[]) => void;
/**
 * Warn to the console only in DEV mode inside a Playwright environment.
 *
 * @param args Values forwarded to `console.warn`.
 */
export declare const pwWarn: (...args: unknown[]) => void;