import * as ansi from 'ansi-escape-sequences';
export declare class Ansi {
    keys: Keys;
    cursor: ansi.Cursor;
    erase: ansi.Erase;
    style: ansi.Style;
    /**
     * A convenience function, applying the provided styles to the input string and then resetting.
     *
     * Inline styling can be applied using the syntax `[style-list]{text to format}`, where `style-list` is a
     * space-separated list of styles from [[style]]. For example `[bold white bg-red]{bold white text on a red
     * background}`.
     *
     * @param str the string to format
     * @param styleArray a list of styles to add to the input string
     * @returns {string}
     * @example
     * > ansi.format('what?', 'green')
     * '\u001b[32mwhat?\u001b[0m'
     *
     * > ansi.format('what?', ['green', 'bold'])
     * '\u001b[32;1mwhat?\u001b[0m'
     *
     * > ansi.format('[green bold]{what?}')
     * '\u001b[32;1mwhat?\u001b[0m'
     */
    format(str: string, styleArray: Array<string>): string;
    /**
     * Returns an ansi sequence setting one or more effects
     * @example
     * > ansi.styles('green')
     * '\u001b[32m'
     *
     * > ansi.styles([ 'green', 'underline' ])
     * '\u001b[32;4m'
     */
    styles(effectArray: string | Array<string>): string;
}
export declare class Keys {
    tab(): string;
    return(): string;
    backspace(): string;
    escape(): string;
    /**
     * Return the correct unicode sequence representing given key and control combination. Usage example:
     *
     * ```js
     * await driver.write(getSequenceFor({ name: 'a', meta: true, shift: true }))
     * ```
     *
     */
    getSequenceFor: typeof import("node-keys").getSequenceFor;
}