declare enum EaseIn {
    quad,
    cubic,
    quart,
    quint,
    sine,
    expo,
    circ,
    back
}
declare enum EaseOut {
    quad,
    cubic,
    quart,
    quint,
    sine,
    expo,
    circ,
    back
}
declare enum EaseInOut {
    quad,
    cubic,
    quart,
    quint,
    sine,
    expo,
    circ,
    back
}
export { EaseIn, EaseOut, EaseInOut };