declare namespace Ext {
    export namespace app {
        export interface ViewModelConfig {
            data?: object;
            formulas?: object;
            links?: object;
            parent?: Ext.app.ViewModel;
            schema?: string | Ext.data.schema.Schema;
            session?: Ext.data.Session;
            stores?: object;
            view?: Ext.container.Container;
        }

        export class ViewModel extends Ext.Base  {
            public bind(descriptor?: string | object | [], callback?: CallableFunction, scope?: object, options?: object): Ext.app.bind.BaseBinding | Ext.app.bind.Binding;
            public get(path?: string): object;
            public getData(): void;
            public getFormulas(): void;
            public getLinks(): void;
            public getParent(): void;
            public getSchema(): void;
            public getSession(): void;
            public getStore(key?: string): Ext.data.Store;
            public getStores(): void;
            public getView(): void;
            public linkTo(key?: string, reference?: object): void;
            public notify(): void;
            public set(path?: object | string, value?: object): void;
            public setData(): void;
            public setFormulas(): void;
            public setLinks(): void;
            public setParent(): void;
            public setSchema(): void;
            public setSession(): void;
            public setStores(): void;
            public setView(): void;
        }
    }
}