import type { CSSProperties, ReactNode } from "react";
import { type CrediballThemeOverrides } from "../theme";
export interface CrediballTopUpButtonProps extends CrediballThemeOverrides {
    className?: string;
    style?: CSSProperties;
    children?: ReactNode;
    /** Defaults to opening the provider's paywall. */
    onClick?: () => void;
}
/**
 * Tier 2 — a themeable call-to-action that opens the paywall. Inherits the
 * surrounding font; background/text color come from the same `--crediball-*`
 * variables as every other component, so it matches PaywallModal and
 * CreditsBadge without extra styling.
 *
 *   <CrediballTopUpButton>Get more credits</CrediballTopUpButton>
 */
export declare function CrediballTopUpButton({ className, style, children, onClick, accentColor }: CrediballTopUpButtonProps): import("react").JSX.Element;