import { Signal } from "@angular/core";
export declare function $computed<R>(signals: Signal<any>[], fn: () => Promise<R>): Signal<R | undefined>;
export declare function $computed<R>(signals: Signal<any>[], fn: () => Promise<R>, opt: {
    initialValue?: R;
}): Signal<R>;
export declare function $computed<R>(fn: () => R): Signal<R>;
export declare function $computed<R>(signals: Signal<any>[], fn: () => R): Signal<R>;