/**
 * Gets the inner type from a type wrapped in Promise.
 */
export declare type ThenArg<P> = P extends Promise<infer U> ? U : P;
/**
 * Options object accepted by Dockerize.
 */
export interface DockerizeOptions {
    /**
     * Root directory of the project to Dockerize.
     *
     * Default: process.cwd() (CLI), `undefined` (API)
     */
    cwd: string;
    /**
     * Tag that will be applied to the image.
     *
     * Default: <package name>
     */
    tag?: string | undefined;
    /**
     * Version of NodeJS that will be installed in the container.
     *
     * Default: LTS (see nodejs.org)
     */
    nodeVersion?: string | undefined;
    /**
     * Ubuntu version to use as a base image.
     *
     * Default: 20.10
     */
    ubuntuVersion?: string | undefined;
    /**
     * Additional labels to apply to the image.
     *
     * See: https://docs.docker.com/engine/reference/commandline/build/
     */
    labels?: Array<string> | undefined;
    /**
     * Environment variables to set in the image.
     *
     * See: https://docs.docker.com/engine/reference/builder/#env
     */
    env?: Array<string> | undefined;
    /**
     * Extra command-line arguments to pass to `docker build`.
     *
     * See: https://docs.docker.com/engine/reference/commandline/build/
     */
    extraArgs?: string | undefined;
    /**
     * Path to a custom Dockerfile to use.
     */
    dockerfile?: string | undefined;
    /**
     * Path to an .npmrc file to use when installing dependencies in the image.
     * This file will be removed from the final image.
     */
    npmrc?: string | undefined;
    /**
     * Whether to run 'docker push' after building an image.
     *
     * Note: This option assumes 'docker login' has already been run.
     */
    push?: boolean | undefined;
}