export type BuiltInProgressBarFormatName = 'default' | 'bar' | 'bar-braces' | 'blue-bar-on-white';
export type ProgressBarFormatOptions = {
    /**
     * The number of characters that make up the progress bar.
     *
     * @default 30
     */
    barLength?: number;
    /**
     * Specifies the character used for the filled part of the bar.
     *
     * ```plain
     * [###########         ] 50.00%
     *  ^^^^^^^^^^^
     * ```
     *
     * @default "#"
     */
    filledBarCharacter?: string;
    /**
     * Specifies the character used for the un-filled part of the bar.
     *
     * ```plain
     * [###########         ] 50.00%
     *             ^^^^^^^^^
     * ```
     *
     * @default " "
     */
    emptyBarCharacter?: string;
    /**
     * Specifies the right-bordering character of the bar.
     *
     * ```plain
     * [###########         ] 50.00%
     *                      ^
     * ```
     *
     * @default "]"
     */
    rightBorderCharacter?: string;
    /**
     * Specifies the left-bordering character of the bar.
     *
     * ```plain
     * [###########         ] 50.00%
     * ^
     * ```
     *
     * @default "["
     */
    leftBorderCharacter?: string;
};
export type ProgressBarFormat = Required<ProgressBarFormatOptions>;
export type ProgressBarOptions = {
    /**
     * The total.
     *
     * @default 100
     */
    total?: number;
    /**
     * Options to customize the appearance of the progress bar.
     *
     * This may take different types of values:
     * * `default` - default format, like `[# ]`.
     * * `bar` - filled part of bar is white, un-filled part is half-shaded white.
     * * `blue-bar-on-white` - similar to `bar`, but filled part of the bar is blue and unfilled is white.
     * * `bar-braces` - similar to `bar`, but with square-braces at the ends of the bar and unfilled part of bar is empty.
     * * `{ ... }` - completely custom, allows for specifying the individual aspects of the format.
     */
    format?: ProgressBarFormatOptions | BuiltInProgressBarFormatName;
    indentationString?: string;
    renderPrefix?: () => void;
};
export type ProgressBar = {
    /**
     * Updates the value (out of the total) of the progress bar and renders it to terminal.
     */
    update: (newValue: number) => void;
    /**
     * Updates the value (out of the total) of the progress bar without rendering it to terminal.
     */
    updateValue: (newValue: number) => void;
    /**
     * Clears the progress bar from the terminal.
     */
    clear: () => void;
    /**
     * Renders the current state of the progress bar to the terminal.
     */
    render: () => void;
    /**
     * Prints the current state of the progress bar to the terminal and adds a new line,
     * in effect persisting it forever to the terminal.
     */
    persist: () => void;
};