/** The three possible states of a Task or Job */
export declare enum AsyncState {
	pending = 0,
	fulfilled = 1,
	failed = 2,
}
/** Resolves to T */
export declare class AsyncTask<T = unknown> implements PromiseLike<T> {
	callbacks: ((task: this) => any)[];
	state: AsyncState;
	reason?: unknown;
	value?: T;
	read(): T;
	fail(reason: any): this;
	resolve(value: T | PromiseLike<T>): this;
	flush(): this;
	then<T1 = T, T2 = never>(
		success?: (value: T) => T1 | PromiseLike<T1>,
		failure?: (reason: unknown) => T2 | PromiseLike<T2>
	): AsyncTask<T1 | T2>;
	static from<T>(value: T | PromiseLike<T>): AsyncTask<T>;
}
export default AsyncTask;