declare namespace Ext {
    export namespace dd {
        export interface ScrollManagerConfig {
        }

        export class ScrollManager extends Ext.Base  {
            public animate?: any;
            public animDuration?: any;
            public ddGroup?: string;
            public frequency?: any;
            public hthresh?: any;
            public increment?: any;
            public vthresh?: any;
            public refreshCache(): void;
            public register(el?: string | Ext.dom.Element | string[] | Ext.dom.Element[] | HTMLElement | []): void;
            public unregister(el?: string | Ext.dom.Element | string[] | Ext.dom.Element[] | HTMLElement | []): void;
        }
    }
}