/**
 * Theme for the Stripe wallet button appearance.
 * Matches Apple Pay button styles: 'black', 'white', or 'white-outline'
 * @default "black"
 */
export type WalletButtonTheme = "black" | "white" | "white-outline";
/** Host checks whether the wallet purchase path is usable for this package. Resolves false on any error. */
export type WalletPurchasePrepare = (selectedPackageId: string) => Promise<boolean>;
/** Host starts the wallet purchase. Must be invoked synchronously from the click so Safari keeps the user activation. Resolves when the attempt settles (success, cancel, or error). */
export type WalletPurchaseStart = (selectedPackageId: string) => Promise<void>;
export type WalletButtonRender = (node: HTMLElement, params: {
    selectedPackageId: string;
    onReady?: (walletButtonAvailable?: boolean) => void;
    walletButtonTheme?: WalletButtonTheme;
}) => {
    destroy?: () => void;
    update?: (updateParams: {
        selectedPackageId: string;
        onReady?: (walletButtonAvailable?: boolean) => void;
        walletButtonTheme?: WalletButtonTheme;
    }) => void;
};