import { type ChildObservable, type InitializedObservable, type Observable, type ObservableBase, type Operator, type Subscription, type UpdateToken, type WithInitialValueOperator } from '../types/index.mjs';
export declare class ObservableBaseClass<A, Kind extends ObservableBase<A>['kind'], Depth extends ObservableBase<A>['depth']> implements ObservableBase<A> {
    #private;
    readonly id: import("../types/id.mjs").ObservableId;
    readonly kind: Kind;
    readonly depth: Depth;
    constructor({ kind, depth, initialValue, }: Readonly<{
        kind: Kind;
        depth: Depth;
        initialValue: ReturnType<ObservableBase<A>['getSnapshot']>;
    }>);
    addChild<B>(child: ChildObservable<B>): void;
    getSnapshot(): ReturnType<ObservableBase<A>['getSnapshot']>;
    protected getCurrentValue(): ReturnType<ObservableBase<A>['getSnapshot']>;
    get isCompleted(): boolean;
    get updateToken(): UpdateToken;
    get hasSubscriber(): boolean;
    get hasChild(): boolean;
    hasActiveChild(): boolean;
    protected setNext(nextValue: A, updateToken: UpdateToken): void;
    tryUpdate(_updateToken: UpdateToken): void;
    tryComplete(): void;
    complete(): void;
    pipe<B>(operator: WithInitialValueOperator<A, B>): InitializedObservable<B>;
    pipe<B>(operator: Operator<A, B>): Observable<B>;
    subscribe(onNext: (v: A) => void, onComplete?: () => void): Subscription;
}
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