declare namespace Ext {
    export namespace data {
        export namespace proxy {
            export interface ClientConfig {
                batchActions?: boolean;
                batchOrder?: string;
                listeners?: object;
                model?: string | Ext.data.Model;
                reader?: object | string | Ext.data.reader.Reader;
                writer?: object | string | Ext.data.writer.Writer;
            }

            export class Client extends Ext.data.proxy.Proxy  {
                public clear(): void;
            }
        }
    }
}