declare namespace Ext {
    export namespace layout {
        export namespace container {
            export interface HBoxConfig {
                align?: string;
                alignRoundingMethod?: "round" | "floor" | "ceil";
                animatePolicy?: object;
                childEls?: object | string[] | object[];
                constrainAlign?: boolean;
                enableSplitters?: boolean;
                itemCls?: string;
                overflowHandler?: string | Ext.layout.container.boxOverflow.None;
                pack?: string;
                padding?: string;
                stretchMaxPartner?: string | Ext.Component;
                vertical?: boolean;
            }

            export class HBox extends Ext.layout.container.Box  {
            }
        }
    }
}