Interface State<Data>

interface State<Data extends CustomMessageData> {
    b2b: number;
    board: (Engine.Mino | null)[][];
    combo: number;
    current: Engine.Mino;
    data: Data["state"];
    garbage: number[];
    hold: Engine.Mino | null;
    queue: Engine.Mino[];
    type: "state";
}