import { IntentHandler } from "../intent-handler";
import { IntentResponse, SuccessIntentResponse } from "../types";
/** Marks a wishlist item that came from the cart, by either path into it. */
export declare const SAVED_FROM_CART_TAG = "saved-from-cart";
export interface SaveCartLineIntentData {
    items: Array<{
        productId: number;
        variantId: number;
        quantity: number;
        title?: string;
        image?: string;
        variantTitle?: string;
    }>;
}
export type SaveCartLineSuccessResponse = SuccessIntentResponse<SaveCartLineIntentData["items"], "save:cart-line">;
export declare class SaveCartLineHandler extends IntentHandler<"save:cart-line"> {
    /** Create and undo must agree on the destination — derive it in one place. */
    private get savesToWishlist();
    invoke(data: SaveCartLineIntentData): Promise<IntentResponse<"save:cart-line">>;
    /**
     * Drops lines the shopper already has in their wishlist: offering to save
     * them again reads as a glitch. It also protects the wishlist destination —
     * the API de-dupes that create onto the existing item, so an undo would
     * delete the shopper's original save. A product-level save (no variant)
     * covers every variant of it. If the lookup fails, every line is kept.
     */
    private withoutWishlisted;
    /** Nothing is saved unless the user accepts the prompt toast. */
    private saveWithPrompt;
    /**
     * Items are saved right away while the feedback toast offers an undo
     * window. The toast shows before the save requests complete; if the save
     * then fails, the toast is retracted so it can't claim success.
     */
    private saveWithUndo;
    private removeSavedItems;
    private createItems;
}