declare namespace Ext {
    export namespace ux {
        export namespace ajax {
            export interface SimManagerConfig {
                defaultSimlet?: Ext.ux.ajax.Simlet;
                defaultType?: string;
                delay?: number;
            }

            export class SimManager extends Ext.Base  {
                public init(config?: object): Ext.ux.ajax.SimManager;
                public register(simlet?: object | []): void;
            }
        }
    }
}