/**
 * DEPRECATED
 *
 * The type returned by the `computedAsync` function. Represents the current `value`. Accessing
 * the value inside a reaction will automatically listen to it, just like an `observable` or
 * `computed`. The `busy` property is `true` when the asynchronous function is currently running.
 */
export interface ComputedAsyncValue<T> {
    /** The current value (observable) */
    readonly value: T;
    /** True if an async evaluation is in progress */
    readonly busy: boolean;
    /** True if Promise was rejected */
    readonly failed: boolean;
    /** The error from the rejected promise, or undefined */
    readonly error: any;
}
export interface ComputedAsyncOptions<T> {
    readonly init: T;
    readonly fetch: () => PromiseLike<T> | T;
    readonly delay?: number;
    readonly revert?: boolean;
    readonly name?: string;
    readonly error?: (error: any) => T;
    readonly rethrow?: boolean;
}
/**
 * DEPRECATED - prefer `asyncComputed`, see https://github.com/danielearwicker/computed-async-mobx
 */
export declare function computedAsync<T>(init: T, fetch: () => PromiseLike<T> | T, delay?: number): ComputedAsyncValue<T>;
/**
 * DEPRECATED - prefer `asyncComputed`, see https://github.com/danielearwicker/computed-async-mobx
 */
export declare function computedAsync<T>(options: ComputedAsyncOptions<T>): ComputedAsyncValue<T>;