declare namespace Ext {
    export namespace slider {
        export interface ThumbConfig {
            slider?: Ext.slider.Multi;
            constrain?: boolean;
        }

        export class Thumb extends Ext.Base  {
            public slider?: Ext.slider.Multi;
            public constructor(config?: object);
            public disable(): void;
            public enable(): void;
            public initEvents(): void;
            public render(): void;
        }
    }
}