import { Subscriber, TeardownLogic } from "rxjs";
import { type ReadonlySignal } from "../../signals/types/index.js";
import { SyncObservable } from "./SyncObservable.js";
export declare class SourceSignal<T> {
    protected rang: number;
    readonly obs: SyncObservable<T>;
    private readonly _depRecord;
    constructor(subscribe?: (subscriber: Subscriber<T>) => TeardownLogic, ...defaultValue: [defaultValue?: T]);
    get(): T;
    peek(): T;
    static create<T>(subscribe?: (subscriber: Subscriber<T>) => TeardownLogic, ...defaultValue: [defaultValue?: T]): ReadonlySignal<T>;
}