declare namespace Ext {
    export namespace data {
        export namespace proxy {
            export interface RestConfig {
                actionMethods?: object;
                api?: object;
                appendId?: boolean;
                batchActions?: boolean;
                batchOrder?: string;
                binary?: boolean;
                cacheString?: string;
                directionParam?: string;
                extraParams?: object;
                filterParam?: string;
                format?: string;
                groupDirectionParam?: string;
                groupParam?: string;
                headers?: object;
                idParam?: string;
                limitParam?: string;
                listeners?: object;
                model?: string | Ext.data.Model;
                noCache?: boolean;
                pageParam?: string;
                paramsAsJson?: boolean;
                password?: string;
                reader?: object | string | Ext.data.reader.Reader;
                simpleGroupMode?: boolean;
                simpleSortMode?: boolean;
                sortParam?: string;
                startParam?: string;
                timeout?: number;
                url?: string;
                useDefaultXhrHeader?: boolean;
                username?: string;
                withCredentials?: boolean;
                writer?: object | string | Ext.data.writer.Writer;
            }

            export class Rest extends Ext.data.proxy.Ajax  {
                public actionMethods?: object;
                public getAppendId(): void;
                public getFormat(): void;
                public setAppendId(): void;
                public setFormat(): void;
            }
        }
    }
}