declare namespace Ext {
    export namespace util {
        export interface DelayedTaskConfig {
        }

        export class DelayedTask   {
            public id?: number;
            public cancel(): void;
            public constructor(fn?: CallableFunction, scope?: object, args?: [], cancelOnDelay?: boolean);
            public delay(newDelay?: number, newFn?: CallableFunction, newScope?: object, newArgs?: []): void;
        }
    }
}