declare namespace __ScrollIntoView {
    interface Settings {
        time?: number | undefined;
        ease?: ((value: number) => number) | undefined;
        validTarget?: ((target: HTMLElement, parentsScrolled: number) => boolean) | undefined;
        align?: Alignment | undefined;
        isScrollable?:
            | ((target: HTMLElement, defaultIsScrollable: (target: HTMLElement) => boolean) => boolean)
            | undefined;
        isWindow?: ((target: HTMLElement) => boolean) | undefined;
        cancellable?: boolean | undefined;
        maxSynchronousAlignments?: number | undefined;
        debug?: boolean | undefined;
    }

    interface Alignment {
        /** 0 to 1, default 0.5 (center) */
        top?: number | undefined;
        /** 0 to 1, default 0.5 (center) */
        left?: number | undefined;
        /** pixels to offset top alignment */
        topOffset?: number | undefined;
        /** pixels to offset left alignment */
        leftOffset?: number | undefined;
        /** boolean to prevent X scrolling */
        lockX?: boolean | undefined;
        /** boolean to prevent Y scrolling */
        lockY?: boolean | undefined;
    }

    /** type will be 'complete' if the scroll completed or 'canceled' if the current scroll was canceled by a new scroll */
    type callbackParameterType = "complete" | "canceled";
    type Callback = (type: callbackParameterType) => void;

    interface ScrollIntoView {
        (target: HTMLElement, callback?: __ScrollIntoView.Callback): void;
        (target: HTMLElement, settings: __ScrollIntoView.Settings, callback?: __ScrollIntoView.Callback): void;
    }
}

declare module "scroll-into-view" {
    var scrollIntoView: __ScrollIntoView.ScrollIntoView;
    export = scrollIntoView;
}