export declare const ANIMATION_CONFIGURATION: {
    duration: number;
    easing: string;
};
export declare const closingAnimationKeyframes: (content: HTMLElement) => ({
    height: string;
} | {
    height: number;
})[];
export declare const openingAnimationKeyframes: (content: HTMLElement) => ({
    height: number;
} | {
    height: string;
})[];