declare function mina(
    a: number,
    A: number,
    b: number,
    B: number,
    get: () => number,
    set: (time: number) => void,
    easing?: (num: number) => number,
): mina.AnimationDescriptor;
declare namespace mina {
    interface MinaAnimation {
        id: string;
        duration(): number;
        easing(): number;
        speed(): number;
        status(): number;
        stop(): void;
    }

    interface AnimationDescriptor {
        id: string;
        start: number;
        end: number;
        b: number;
        s: number;
        dur: number;
        spd: number;
        get(): number;
        set(slave: number): number;
        easing(input: number): number;
        status(): number;
        status(newStatus: number): void;
        speed(): number;
        speed(newSpeed: number): void;
        duration(): number;
        duration(newDuration: number): void;
        stop(): void;
        pause(): void;
        resume(): void;
        update(): void;
    }

    function backin(n: number): number;
    function backout(n: number): number;
    function bounce(n: number): number;
    function easein(n: number): number;
    function easeinout(n: number): number;
    function easeout(n: number): number;
    function elastic(n: number): number;
    function getById(id: string): AnimationDescriptor;
    function linear(n: number): number;
    function time(): number;
}