import { EventEmitter, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { CheckoutSettings, CheckoutType } from '../../types';
import { CartService } from '../../services/cart.service';
import { CheckoutPaypalSettings } from '../../interfaces/checkout-paypal-settings';
import { CheckoutHttpSettings } from '../../interfaces/checkout-http-settings';
import { LocaleFormat } from '../../interfaces/locale-format';
/**
 * Renders a button to initiate checkout of the cart.
 *
 * @order 6
 * @howToUse "With a custom button or projected content"
 * ```html
 * <cart-checkout [custom]="true">
 *    <button type="button" class="my-custom-class">Do checkout</button>
 * </cart-checkout>
 * ```
 *
 * @howToUse "With different text and classes"
 * ```html
 * <cart-checkout [buttonText]="'Add item'" [buttonClass]="'my-custom-class'">
 * </cart-checkout>
 * ```
 *
 * @howToUse "Using http in a protected endpoint"
 * ```html
 * <cart-checkout [service]="'http'" settings="settings">
 * </cart-checkout>
 * ```
 * ```typescript
 * export class MyComponent {
 *   settings: CheckoutHttpSettings = {
 *     method: 'POST',
 *     url: 'http://myapi.com/',
 *     options: { headers: { Authorization: 'Bearer my-auth-token' } }
 *   };
 * }
 * ```
 *
 * @howToUse "Using the PayPal service"
 * ```html
 * <cart-checkout [service]="'paypal'" settings="settings">
 * </cart-checkout>
 * ```
 * ```typescript
 * export class MyComponent {
 *  settings: CheckoutPaypalSettings = {
 *    business: 'myaccount@paypal.com',
 *    itemName: 'myMarketplaceAppCart',
 *    itemNumber: '1234',
 *    serviceName: 'MyBusiness',
 *    country: 'US'
 *  };
 * }
 * ```
 *
 * @note {warning} This component captures clicks events bubbling from its projected content. Make sure the event keeps bubbling only when
 * you want the checkout operation to start.
 *
 * @note {warning} When the `[service]` is set to `paypal` an actual PayPal button is rendered. None of the inputs `custom`, `buttonText`
 * or `buttonClass` have any effect.
 */
export declare class CartCheckoutComponent implements OnChanges, OnInit, OnDestroy {
    private cartService;
    private httpClient;
    private locale;
    private _serviceSubscription;
    private getLocaleCurrencyName;
    empty: boolean;
    cost: number;
    taxRate: number;
    shipping: number;
    httpSettings: CheckoutHttpSettings;
    paypalSettings: CheckoutPaypalSettings;
    format: LocaleFormat;
    currency: string;
    paypalLocale: string;
    /**
     * If `false` displays a default button provided by the component. When set to `true` projects the contents of the component.
     */
    custom: boolean;
    /**
     * Changes the default text of the component's button.
     */
    buttonText: string;
    /**
     * Changes the default text of the component's button.
     */
    buttonClass: string;
    /**
     * Sets the type of service to be used when initiating the checkout.
     */
    service: CheckoutType;
    /**
     * Depending on the type of the service you might need to add some configuration to it. This input allows you to change that
     * configuration.
     */
    settings: CheckoutSettings;
    /**
     * Changes currency display format for the component. Overrides the value set from the service using `setCurrencyFormat`.
     */
    localeFormat: string;
    /**
     * Emits the result of the checkout operation. If the service is set to `'log'` it emits the entire cart object including tax rates and
     * shipping info. If is set to `'http'` it emits an `HttpResponse` object with body, headers, etc as it was received by the remote server.
     *
     * > When `[service]` is set to `'paypal'` this event is never emitted.
     */
    checkout: EventEmitter<any>;
    /**
     * When the `[service]` is set to `'http'` and the checkout operation fails the thrown error can be captured using this output.
     *
     * The emitted value is the complete `HttpErrorResponse` object returned by `HttpClient` so you can inspect other properties like status
     * codes, headers, messages, etc.
     */
    error: EventEmitter<any>;
    constructor(cartService: CartService<any>, httpClient: HttpClient, locale: string);
    ngOnInit(): void;
    private updateCart(formatChange);
    private updateLocale();
    private getCurrency(locale);
    doCheckout(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
}