export declare const DURATION: {
    infinite: number;
    short: number;
    medium: number;
    long: number;
};
export declare const PLACEMENT: {
    readonly topLeft: "topLeft";
    readonly top: "top";
    readonly topRight: "topRight";
    readonly bottomRight: "bottomRight";
    readonly bottom: "bottom";
    readonly bottomLeft: "bottomLeft";
};