import { CardCvvElement, CardElementOptions, CvvOptions, Environment, TokenResult } from '../../types';
export declare class CvvElement {
    private environment;
    private stripe?;
    private defaultMountTarget;
    private defaultOptions;
    element?: CardCvvElement;
    constructor(environment?: Environment);
    /**
     * Appends a cvv field to a passed element or selector of a DOM element.
     *
     * Defaults:
     * - CVV: `data-olo-pay-cvv`
     *
     * @param cvvOptions Options object containing information for:
     * `cvvElementOptions`, `elementsOptions`, `mountTarget`.
     */
    create(cvvOptions?: CvvOptions): Promise<void>;
    /**
     * Creates a cvv token for cvv revalidation
     */
    createCvvToken(): Promise<TokenResult | undefined>;
    /**
     * Applies a style object to the element.
     *
     * @param style Style object.
     */
    applyStyles(style?: import("@stripe/stripe-js").StripeElementStyle): void;
    /**
     * Clear all field values.
     */
    clear(): void;
    /**
     * Removes the element from the DOM and destroys it.
     * A destroyed element can not be re-activated or re-mounted to the DOM.
     */
    destroy(): void;
    /**
     * Mounts the element to the DOM.
     * Call `unmount` to remove it from the DOM.
     *
     * @param mountTarget Object containing selector or element target.
     */
    mount(mountTarget?: string | HTMLElement): void;
    /**
     * Unmounts the element from the DOM.
     * Call `mount` to re-attach it to the DOM.
     */
    unmount(): void;
    /**
     * Updates the options that the element was initialized with.
     * Updates are merged into the existing configuration.
     *
     * @param newOptions
     */
    update(newOptions?: CardElementOptions): void;
}