export declare const MIN_BASE = 20000;
export declare const MAX_BASE = 29997;
export declare const renderEnv: (base: number, appPath: string) => string;
export declare const readEnvVar: (content: string, name: string) => string | undefined;
export declare const findBase: (isFree: (port: number) => Promise<boolean>, draw: () => number, attempts?: number) => Promise<number>;