import type { IExpressCheckoutElementManager, IStripeService, ExpressCheckoutElementOptions, ExpressCheckoutElementState, ExpressCheckoutElementEventHandlers } from './interfaces';
import { StripeExpressCheckoutElement } from '@stripe/stripe-js';
/**
 * Express Checkout Element Manager
 * Manages Stripe Express Checkout Element
 * with dependency injection of StripeService
 */
export declare class ExpressCheckoutElementManager implements IExpressCheckoutElementManager {
    private stripeService;
    private expressCheckoutElement?;
    private store;
    /**
     * Constructor with dependency injection
     * @param stripeService - Injected Stripe service instance
     */
    constructor(stripeService: IStripeService);
    /**
     * Get current express checkout element state (reactive)
     */
    getState(): ExpressCheckoutElementState;
    /**
     * Initialize and mount express checkout element to DOM
     * @param containerElement - Parent element containing mount point
     * @param options - Express Checkout Element configuration options
     * @param eventHandlers - Event handlers for element events
     * @returns Promise resolving to express checkout element instance
     */
    initialize(containerElement: HTMLElement, options: ExpressCheckoutElementOptions, eventHandlers?: ExpressCheckoutElementEventHandlers): Promise<StripeExpressCheckoutElement>;
    /**
     * Get mounted express checkout element instance
     */
    getElement(): StripeExpressCheckoutElement | undefined;
    /**
     * Update element options dynamically
     * @param options - Partial options to update
     */
    update(options: Partial<ExpressCheckoutElementOptions>): void;
    /**
     * Set error message (triggers reactivity)
     */
    setError(message: string): void;
    /**
     * Clear error message (triggers reactivity)
     */
    clearError(): void;
    /**
     * Unmount express checkout element
     */
    unmount(): void;
}