interface UpgradeModalProps {
    open: boolean;
    onOpenChange: (open: boolean) => void;
    onSelectPlan?: (planSlug: string) => void;
}
/**
 * UpgradeModal - Modal dialog with pricing table for plan upgrades
 *
 * @example
 * ```tsx
 * <UpgradeModal
 *   open={isOpen}
 *   onOpenChange={setIsOpen}
 *   onSelectPlan={(slug) => handleUpgrade(slug)}
 * />
 * ```
 */
export declare function UpgradeModal({ open, onOpenChange, onSelectPlan }: UpgradeModalProps): import("react/jsx-runtime").JSX.Element;
export {};
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