import { Signal } from "@preact/signals-core";
import { ApiError } from "@swishapp/api-client";
import type { EditItemListsSuccessResponse, EditItemVariantSuccessResponse, SaveItemSuccessResponse, UnsaveItemSuccessResponse } from "../intents/types";
import { SwishApp } from "../swish";
import { ItemContext } from "./item-context-signal";
export type ItemMatch = "variant" | "product" | "auto";
export interface ItemStateCallbacks {
    onSave?: (data: SaveItemSuccessResponse["data"]) => void;
    onUnsave?: (data: UnsaveItemSuccessResponse["data"]) => void;
    onListsUpdate?: (data: EditItemListsSuccessResponse["data"]) => void;
    onVariantUpdate?: (data: EditItemVariantSuccessResponse["data"]) => void;
}
export interface ItemStateOptions extends ItemStateCallbacks {
    /**
     * How to interpret the API response when deciding `saved`:
     * - `"variant"`: only count the item as saved if the variant matches.
     * - `"product"`: count any saved variant of the product as saved. Also
     *   causes `save()` to ignore `variantId` so the saved item is not pinned
     *   to whichever variant the consumer happened to render.
     * - `"auto"` (default): variant-match when a `variantId` is in the context,
     *   product-match otherwise.
     */
    match?: ItemMatch;
}
export declare const itemStateSignal: (swish: SwishApp) => (context: Signal<ItemContext>, optionsInput?: ItemStateOptions) => import("@preact/signals-core").ReadonlySignal<{
    error: ApiError | null;
    status: "saving" | "saved" | "unsaved";
    savedItemId: string | null;
    savedItemIds: string[];
    loading: boolean;
    submitting: boolean;
    saved: boolean;
    saving: boolean;
    unsaving: boolean;
}> & {
    save: () => Promise<void>;
    unsave: () => Promise<void>;
    updateLists: () => Promise<void>;
    updateVariant: () => Promise<void>;
    /** @deprecated Use `updateLists` instead. */
    update: () => Promise<void>;
    toggle: () => Promise<void>;
    setOptions: (next: ItemStateOptions) => void;
    /** @deprecated Use `setOptions` instead. */
    setCallbacks: (next: ItemStateOptions) => void;
    dispose: () => void;
};