type Product = {
    id: string;
    name: string;
    description: string;
    price: number;
    imageUrl: string;
};
type Item = {
    id: string;
    productId: string;
    quantity: number;
    price: number;
};
type Subscription = {
    id: string;
    items: Item[];
    status: "active";
    nextDeliveryDate: string;
    frequency: string;
    quantity: number;
    createdAt: string;
};
export declare function createState(): {
    discountCode: import('@preact/signals-core').Signal<string | null>;
    products: import('@preact/signals-core').Signal<Product[]>;
    upcomingOrder: import('@preact/signals-core').ReadonlySignal<{
        subtotal: number;
        totalDiscount: number;
        deliveryPrice: number;
        totalPrice: number;
        hasFreeProduct: boolean;
        id: string;
        items: Item[];
        status: "active";
        nextDeliveryDate: string;
        frequency: string;
        quantity: number;
        createdAt: string;
    } | null>;
    subscriptions: import('@preact/signals-core').Signal<Subscription[]>;
    user: import('@preact/signals-core').Signal<{
        name: string;
    }>;
    setDiscountCode(code: string): void;
    addProduct(product: Product): void;
    getProductById(id: string): Product;
    addItemToUpcomingOrder(item: Omit<Item, "price">): void;
    addSubscription(subscription: Subscription): void;
};
/** @deprecated Use sepcialized services instead */
export declare const StateContext: {
    __context__: {
        discountCode: import('@preact/signals-core').Signal<string | null>;
        products: import('@preact/signals-core').Signal<Product[]>;
        upcomingOrder: import('@preact/signals-core').ReadonlySignal<{
            subtotal: number;
            totalDiscount: number;
            deliveryPrice: number;
            totalPrice: number;
            hasFreeProduct: boolean;
            id: string;
            items: Item[];
            status: "active";
            nextDeliveryDate: string;
            frequency: string;
            quantity: number;
            createdAt: string;
        } | null>;
        subscriptions: import('@preact/signals-core').Signal<Subscription[]>;
        user: import('@preact/signals-core').Signal<{
            name: string;
        }>;
        setDiscountCode(code: string): void;
        addProduct(product: Product): void;
        getProductById(id: string): Product;
        addItemToUpcomingOrder(item: Omit<Item, "price">): void;
        addSubscription(subscription: Subscription): void;
    };
};
export {};