import '@vaadin/vaadin-text-field/vaadin-integer-field';
import { CSSResultArray, PropertyDeclarations, TemplateResult } from 'lit-element';
import { ImageDescription, ItemInterface } from '../types';
import { SignableFields } from './SignableFields';
/**
 * This component allows a user to configure an item.
 *
 * The item may be configured using HTML properties or a JS object.
 *
 * @csspart picture - Image of the product in preview stack (for single products) or grid (for bundles).
 * @csspart item - The root element inside of the shadow dom.
 */
export declare class Item extends SignableFields {
    /** @readonly */
    static get styles(): CSSResultArray;
    /** @readonly */
    static get scopedElements(): Record<string, unknown>;
    /** @readonly */
    static get properties(): PropertyDeclarations;
    readonly rel = "product_item";
    /**
     * **Required** the name of the item.
     *
     * **Example:** `"Dog food"`
     */
    name?: string;
    /**
     * **Required** the price of a unit of this item
     *
     * **Example:** `10`
     */
    price?: number;
    /**
     * Makes quantity input readonly.
     */
    readonly: boolean;
    /**
     * Optional an image url to be displayed in the form.
     */
    image?: string;
    /**
     * Optional the alt text for the image
     */
    alt?: string;
    /**
     * Optional an image url to be displayed in the foxy cart once the custumer reaches the cart.
     */
    url?: string;
    /**
     * Optional item code. This property affects cart UI only.
     * See [Products](https://wiki.foxycart.com/v/2.0/products) wiki for more details.
     *
     * **Example:** `"ISBN 978-0-12-345678-9"`
     */
    code?: string | number;
    /**
     * Optional parent code. This property affects cart UI only.
     * It causes Foxy Cart to recognize the parent-child relationship between two items.
     *
     * Nested items set this property automatically.
     *
     * **Example:** `"ISBN 978-0-12-345678-9"`
     */
    parent_code?: string | number;
    /**
     * **Required** The quantity of this item in the cart.
     */
    quantity: number;
    /**
     * Optional quantity max. The maximum number of items of these to be added.
     */
    quantity_max?: number;
    /**
     * Optional quantity min. The minimum number of items of these to be added.
     */
    quantity_min?: number;
    /**
     * Optional category. Sets the category this item is in.
     * See [Products](https://wiki.foxycart.com/v/2.0/products) wiki for more details.
     *
     * **Example:** `"heavy"`
     */
    category?: string;
    /**
     * Optional expires. Sets the expiration time of this item.
     *
     * Advanced usage only: This property affects cart UI only.
     * This web component will not react to this property.
     *
     * The item cannot be purchased after expiration, but if it is part of a
     * subscription, it remains in the subscription as long as it stands.
     *
     * See [Products](https://wiki.foxycart.com/v/2.0/products) wiki for more details.
     *
     * **Example:** `15`
     */
    expires?: string;
    /**
     * Optional per item weight. This property affects cart UI only.
     */
    weight?: number;
    /**
     * Optional. Specify a ship-to address for a specific item.
     *
     * Advanced usage only: This property affects cart UI only.
     * This element does not provide any means for the user to specify this property.
     */
    shipto?: string;
    /**
     * Optional length.  This property affects cart UI only.
     */
    length?: number;
    /**
     * Optional width.  This property affects cart UI only.
     */
    width?: number;
    /**
     * Optional height.  This property affects cart UI only.
     */
    height?: number;
    /**
     * The total price of this item.
     *
     * It takes into account child items and the quantity.
     */
    total?: number;
    /**
     * 3-letter lowercase currency code.
     * It is provided by the form if not set.
     *
     * **Example:** `"usd"`
     */
    currency: string;
    /** A boolean indicating that this element is a item **/
    protected isItem: boolean;
    /** Boolean indicating that this item is a child item */
    protected isChildItem: boolean;
    /**
     * A unique id set to the item. Advanced usage only.
     */
    readonly pid: number;
    private static __existingIds;
    private __childItemsObserver?;
    private __modified;
    private __childPrices;
    private __images;
    private __childrenCount;
    private __itemDescription;
    private __handleQuantity;
    constructor();
    /**
     * Each child item is an object that can have any of the public properties of this element.
     * Child elements will be created accordingly.
     */
    get items(): ItemInterface[];
    /**
     * Creates child elements from ItemInterface[]
     */
    set items(value: ItemInterface[]);
    get value(): ItemInterface;
    set value(v: ItemInterface);
    updated(changedProperties: Map<string, string>): void;
    render(): TemplateResult;
    getImageDescription(): ImageDescription;
    /**
     * Items have their signed names prefixed with their id.
     *
     * @argument fieldName the name of the field to get the signed version.
     * @argument open whether this field is editable by the user.
     * @returns signed version of the name, prefixed with the item id.
     */
    signedName(fieldName: string): string;
    /**
     * Creates a new unique id to be used in the form
     *
     * Ids are used to distinguish different items in a single form.
     * Ids are prepended to fields names to allow Foxy Cart to know to what
     * item a particular field relates.
     *
     * @return number the newly created id
     */
    private static __newId;
    private __updateDescriptionEl;
    /**
     * Add an element to the default slot
     */
    private __addSlottedEl;
    /**
     * Creates a code if none is provided by the user
     */
    private __setCode;
    /**
     * Create child items from items field.
     */
    private __createItems;
    private __setTotalPrice;
    /**
     * The price of the total qty of each of the child items
     */
    private __computeTotalPrice;
    /**
     * Constraints Items must eventually adhere to.
     **/
    private __isValid;
    private __translateAmount;
    private __observeItems;
    private __acknowledgeChildItems;
    private __acknowledgeItem;
    /** React to changes in child items */
    private __changedChildItem;
    /** Execute a list of actions against all child items */
    private __onEachChildItem;
}