declare namespace Ext {
    export namespace draw {
        export interface SurfaceConfig {
            background?: object;
            baseCls?: string | boolean;
            bind?: object | string;
            border?: boolean;
            cls?: string | string[];
            controller?: string | object | Ext.app.ViewController;
            defaultListenerScope?: boolean;
            dirty?: boolean;
            flipRtlText?: boolean;
            height?: number | string;
            hidden?: boolean;
            items?: [];
            listeners?: object;
            plugins?: object | string | object[] | string[];
            publishes?: string | string[] | object;
            rect?: [];
            reference?: string;
            session?: boolean | object | Ext.data.Session;
            style?: string | object;
            touchAction?: object;
            twoWayBindable?: string | string[] | object;
            ui?: string | string[];
            userCls?: string | string[];
            viewModel?: string | object | Ext.app.ViewModel;
            width?: number | string;
        }

        export class Surface extends Ext.draw.SurfaceBase  {
            public devicePixelRatio?: any;
            public add(sprite?: object | object[]): Ext.draw.sprite.Sprite | Ext.draw.sprite.Sprite[];
            public clear(): void;
            public flatten(size?: object, surfaces?: Ext.draw.Surface[]): object;
            public get(id?: string | number): Ext.draw.sprite.Sprite;
            public getBBox(sprites?: Ext.draw.sprite.Sprite[] | Ext.draw.sprite.Sprite, isWithoutTransform?: boolean): void;
            public getBackground(): void;
            public getDirty(): void;
            public getFlipRtlText(): void;
            public getItems(): void;
            public getRect(): void;
            public hitTest(point?: [], options?: object): object;
            public hitTestEvent(event?: object, options?: object): object;
            public onAdd(sprite?: Ext.draw.sprite.Sprite): void;
            public remove(sprite?: Ext.draw.sprite.Sprite | string, isDestroy?: boolean): Ext.draw.sprite.Sprite;
            public removeAll(isDestroy?: boolean): void;
            public renderFrame(): void;
            public repaint(): void;
            public resetTransform(): void;
            public roundPixel(num?: number): number;
            public setBackground(): void;
            public setDirty(): void;
            public setFlipRtlText(): void;
            public setItems(): void;
            public setRect(): void;
            public waitFor(surface?: Ext.draw.Surface): void;
            public static stableSort(list?: []): [];
        }
    }
}