declare namespace Ext {
    export namespace data {
        export namespace proxy {
            export interface WebStorageConfig {
                batchActions?: boolean;
                batchOrder?: string;
                id?: string;
                listeners?: object;
                model?: string | Ext.data.Model;
            }

            export class WebStorage extends Ext.data.proxy.Client  {
                public cache?: object;
                public getId(): void;
                public setId(): void;
                public setRecord(record?: Ext.data.Model, id?: string): void;
            }
        }
    }
}