declare namespace Ext {
    export namespace direct {
        export interface JsonProviderConfig {
            headers?: object;
            id?: string;
            listeners?: object;
            relayedEvents?: string[];
        }

        export class JsonProvider extends Ext.direct.Provider  {
            public createEvent(response?: object): Ext.direct.Event;
            public createEvents(response?: object): Ext.direct.Event[];
        }
    }
}