declare namespace Ext {
    export namespace scroll {
        export interface ScrollerConfig {
            direction?: 'auto' | 'vertical' | 'horizontal' | 'both';
            element?: string | Ext.dom.Element;
            listeners?: object;
            rtl?: boolean;
            x?: boolean | string;
            y?: boolean | string;
        }

        export class Scroller extends Ext.Evented  {
            public addPartner(partner?: Ext.scroll.Scroller, axis?: string): void;
            public getClientSize(): object;
            public getDirection(): void;
            public getElement(): void;
            public getMaxPosition(): object;
            public getMaxUserPosition(): object;
            public getPosition(): object;
            public getRtl(): void;
            public getScrollbarSize(): object;
            public getScroller(): void;
            public getSize(): void;
            public getX(): void;
            public getY(): void;
            public isInView(el?: string | Ext.dom.Element | HTMLElement): object;
            public refresh(immediate?: boolean): Ext.scroll.Scroller;
            public scrollBy(deltaX?: number | number[] | object, deltaY?: number | boolean | object, animate?: boolean | object): void;
            public scrollTo(x?: number, y?: number, animation?: boolean | object): Ext.scroll.Scroller;
            public setDirection(): void;
            public setElement(): void;
            public setRtl(): void;
            public setX(): void;
            public setY(): void;
        }
    }
}