export declare const toastAnimations: {
    initial: {
        opacity: number;
        y: number;
        scale: number;
    };
    exit: {
        opacity: number;
        scale: number;
        transition: {
            duration: number;
        };
    };
    transition: {
        type: "spring";
        stiffness: number;
        damping: number;
        mass: number;
    };
};
export declare const getToastStackingAnimation: (index: number, totalToasts: number, isExpanded: boolean, expandedY?: number) => {
    y?: undefined;
    scale?: undefined;
    zIndex?: undefined;
    opacity?: undefined;
} | {
    y: number;
    scale: number;
    zIndex: number;
    opacity: number;
};
