/**
 * Executes webpack using the provided environment options.
 * @param env The environment options to pass to the webpack configuration factory.
 * @param configurationFactory The webpack configuration factory function that generates a webpack config.
 * @param [mergeConfig] Extra webpack configuration objects to provide
 */
export declare function executeWebpack(env?: Record<string, any>, configurationFactory?: any, mergeConfigs?: any[]): Promise<any>;