/** Represents file button. */
declare abstract class FileButton {
    /**
     * Appends button to element.
     * @param container Element to append button to.
     */
    abstract appendTo(container: HTMLElement): void;
    /**
     * Detaches button from its parent element.
     */
    abstract detach(): void;
    /**
     * Sets text of button.
     * @param text Text.
     */
    abstract setText(text: string): void;
    /**
     * Sets download link.
     * @param downloadLink Download link (or null to disable download).
     */
    abstract setDownloadLink(downloadLink: string | null): void;
    /**
     * Returns download link of button.
     */
    abstract getDownloadLink(): string | null;
    /**
     * Enables tab navigation.
     */
    abstract enableTabNavigation(): void;
    /**
     * Disables tab navigation.
     */
    abstract disableTabNavigation(): void;
}
export default FileButton;