export declare class Task { task: any; idle: boolean; running: boolean; buffered: boolean; private _counterBufferRelative; private _counterTriggerAbsolute; private _state; preTask: Task; afterTask: Task; constructor(taskArg: any, optionsArg?: { preTask?: Task; afterTask?: Task; buffered?: boolean; }); trigger(): any; triggerBuffered(): void; state: string; }