/**
 * Configuration for the JavaScript engine used to run Playwright tests.
 * Can be passed as a plain object in `checkly.config.ts`.
 */
export interface EngineConfig {
    readonly name: string;
    readonly version: string;
}
/**
 * Selects the JavaScript engine and version for a Playwright Check Suite.
 *
 * @example
 * ```ts
 * import { PlaywrightCheck, Engine } from 'checkly/constructs'
 *
 * new PlaywrightCheck('login-test', {
 *   name: 'Login E2E',
 *   playwrightConfigPath: './playwright.config.ts',
 *   engine: Engine.node('24'),
 * })
 * ```
 */
type NodeVersion = '22' | '24' | '26' | (string & {});
type BunVersion = '1.3' | (string & {});
export declare class Engine implements EngineConfig {
    readonly name: string;
    readonly version: string;
    private constructor();
    /**
     * Use Node.js as the test runner engine.
     * @param version - The Node.js major version (e.g., `'22'`, `'24'`).
     */
    static node(version: NodeVersion): Engine;
    /**
     * Use Bun as the test runner engine.
     * @param version - The Bun version (e.g., `'1.3'`).
     */
    static bun(version: BunVersion): Engine;
}
export {};