Interface IDocHandle<T>

interface IDocHandle<T = any> {
    addListener(event: "change", listener: () => void): void;
    change(callback: ChangeFn<T>, options?: ChangeOptions<T>): void;
    changeAt(
        heads: Heads,
        callback: ChangeFn<T>,
        options?: ChangeOptions<T>,
    ): undefined | Heads;
    doc(): undefined | Doc<T>;
    removeListener(event: "change", listener: () => void): void;
}