export declare const DEFAULT_SHUTDOWN_AFTER_MS: number;
export interface AcquireOptions {
    port?: number;
    shutdownAfterMs?: number;
    fresh?: boolean;
}
export interface AcquiredServer {
    port: number;
    url: string;
    reused: boolean;
    close(): Promise<void>;
}
export declare function acquireServer(opts?: AcquireOptions): Promise<AcquiredServer>;