import type { CartSyncClient } from "./client";
export interface ShopifyCartSyncHostProps {
    /** The app's client, from `configureCartSync` (with `signedInShopifyCustomer` for its session). */
    client: CartSyncClient;
    /**
     * Tells the shopper their cart changed under them: "We found your saved cart and synced it." or
     * "That cart was already checked out. Started a fresh one." (`DEFAULT_MESSAGES`). A toast, usually.
     */
    notify?: (message: string) => void;
    /** Sync each time the cart page comes into view (sdk-shopify's `cart:viewed`). Default true (0.7.0). */
    syncOnCartView?: boolean;
    /**
     * Mark the cart checked out when sdk-shopify's checkout page sees its order placed
     * (`checkout:completed`, sdk-shopify 0.15). Default true (0.7.0): the app needs no
     * `useMarkCartCheckedOut` of its own.
     */
    markCheckedOutOnOrder?: boolean;
}
/**
 * Keeps the phone's cart in step with the shopper's shared cart. Mount once, inside `ShopifyProvider`
 * (it reads `useCart`, `useCustomer` and `useShopify`). Renders nothing.
 *
 * It syncs once the stored cart, the session and the profile are all in (`cartSyncReady`), on
 * sign-in, when the cart id changes, when the app comes back to the foreground, each time the cart page
 * comes into view (sdk-shopify 0.14's `cart:viewed`; `syncOnCartView`), and on `requestCartSync()`. On sign-in it merges the phone's cart into the account's, or keeps the phone's
 * when the account's is empty (the README's "How a sync decides"). When sdk-shopify's checkout page
 * sees the order placed (`checkout:completed`), the cart is marked checked out (`markCheckedOutOnOrder`).
 */
export declare function ShopifyCartSyncHost({ client, notify, syncOnCartView, markCheckedOutOnOrder }: ShopifyCartSyncHostProps): null;
/**
 * Marks the cart spent once its order is placed, so neither this phone nor the web store picks it
 * back up: recorded on the phone first, then on Apptile's side for the signed-in shopper. Call the
 * returned function from checkout, the only place that knows an order was placed (the app's own
 * signal: sdk-shopify's `isOrderPlacedUrl` in a checkout web view, say), before the cart resets.
 * Inside `ShopifyProvider`.
 */
export declare function useMarkCartCheckedOut(client: CartSyncClient): (cartId: string | null) => Promise<void>;
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