export interface SaveElementOptions {
    /** Filename for the downloaded file, without the extension. */
    filename?: string;
    /** File type of the saved document. Accepted values are "png", "jpg", and "svg". */
    type?: "png" | "jpg" | "svg";
    /** Function to be invoked after saving is complete. */
    callback?: () => void;
}
export interface SaveElementRenderOptions {
    /** Background color for the rendered image. */
    background?: string;
    /** Background color for the rendered image (alias). */
    backgroundColor?: string;
    [key: string]: unknown;
}
/**
    Downloads an HTML Element as a bitmap PNG image.
    @param elem The DOM element or d3 selection to export.
    @param options Additional options to specify.
    @param options .filename = "download"] Filename for the downloaded file, without the extension.
    @param options .type = "png"] File type of the saved document. Accepted values are `"png"` and `"jpg"`.
    @param options .callback] Function to be invoked after saving is complete.
    @param renderOptions Custom options to be passed to the html-to-image function.
*/
export default function (elem: HTMLElement, options?: SaveElementOptions, renderOptions?: SaveElementRenderOptions): void;