import { components } from '@amos.com/node';
import { ConfirmPaymentResult, GooglePayButtonElementProps, WalletContactRequirements, WalletCustomerCreateAttributes } from './types';
/**
 * Build the iframe `src` URL for the embedded Google Pay button.
 */
export declare function getGooglePayButtonSrc(renderToken: string): string;
/**
 * Default iframe pixel height for the Google Pay button.
 */
export declare function getGooglePayButtonInitialHeight(): string;
/**
 * Options accepted by {@link attachGooglePayButtonListeners}.
 */
export type GooglePayButtonListenerOptions = WalletContactRequirements & {
    /**
     * Major-currency decimal string shown in the Google Pay sheet
     * (e.g. `"50.00"` for $50.00). Converted to cents in
     * `paymentIntentCreateAttributes.amount`.
     */
    amount: string;
    /** A user-visible merchant name. */
    merchantName: string;
    /**
     * Painted Google Pay button height. CSS length (e.g. `"48px"`).
     * @default "48px"
     */
    height?: string;
    /**
     * Native Google Pay button attributes and inner style. Omitted fields
     * keep Amos paint defaults (`buttonType: "plain"`,
     * `buttonSizeMode: "fill"`). The button fills the iframe — size the
     * mount slot, not the button. Compact: `buttonSizeMode: "static"` and
     * `style.width`.
     */
    buttonProps?: GooglePayButtonElementProps;
    /**
     * Called whenever the iframe asks the host page to resize it. Update
     * the iframe's `height` style here.
     */
    onHeightChange?: (height: string) => void;
    /**
     * Called once the iframe has applied the requested appearance and is
     * ready to be revealed.
     */
    onAppearanceReady?: () => void;
    /**
     * Called when the iframe posts `IFRAME_READY` (embed JS is running).
     */
    onIframeReady?: () => void;
    /**
     * Called when the buyer authorizes in the Google Pay sheet. Create a
     * payment intent on your server, then `await confirmPayment(token)`.
     * `customerCreateAttributes` is {@link WalletCustomerCreateAttributes},
     * not Amos `CreateCustomerInput`.
     */
    onConfirm: ({ paymentIntentCreateAttributes, customerCreateAttributes, confirmPayment, }: {
        paymentIntentCreateAttributes: components["schemas"]["CreatePaymentIntentInput"];
        customerCreateAttributes: WalletCustomerCreateAttributes;
        confirmPayment: (token: string) => Promise<ConfirmPaymentResult>;
    }) => Promise<ConfirmPaymentResult>;
};
/**
 * Controller returned by {@link attachGooglePayButtonListeners} and
 * {@link mountAmosGooglePayButton}.
 */
export type GooglePayButtonController = {
    /**
     * Update one or more listener options without re-attaching the
     * message listener. Pass `amount` or `merchantName` to push the new
     * value into the iframe; pass `height`, `buttonProps`,
     * `phoneRequired`, or `shippingAddressRequired` to restyle the Google
     * Pay button or change sheet contact fields.
     */
    update: (patch: Partial<GooglePayButtonListenerOptions>) => void;
    /**
     * Detach the iframe message listener.
     */
    destroy: () => void;
};
/**
 * Wire up the host-page side of the Google Pay iframe message protocol
 * on an existing `<iframe>` element. Returns a controller for updating
 * options and tearing down the listener.
 *
 * The iframe is expected to have already been added to the DOM with the
 * correct `src` (see {@link getGooglePayButtonSrc}).
 */
export declare function attachGooglePayButtonListeners(iframe: HTMLIFrameElement, { height, ...options }: GooglePayButtonListenerOptions): GooglePayButtonController;
/**
 * Result of {@link formatGooglePayPaymentData}.
 */
export type FormattedGooglePayPaymentData = {
    paymentMethod: components["schemas"]["EmbedConfirmGooglePayPaymentMethodInput"];
};
/**
 * Transform raw Google Pay payment data into an Amos-compatible
 * `paymentMethod` payload. Use this when integrating with the raw
 * Google Pay API directly instead of through
 * {@link mountAmosGooglePayButton} (or the React equivalent).
 *
 * Street and name come from CARD `billingAddress`; email from the
 * top-level field; phone from shipping when present, otherwise billing.
 */
export declare function formatGooglePayPaymentData({ paymentData, }: {
    paymentData: google.payments.api.PaymentData;
}): FormattedGooglePayPaymentData;