import { Translatable } from '../../../../mixins/translatable';
import { PropertyDeclarations } from 'lit-element';
export declare class SignableFields extends Translatable {
    /** @readonly */
    static get properties(): PropertyDeclarations;
    /**
     * Optional open: An Object with key, value pairs where the key is a item
     * attribute and the value is a previously computed HMAC validation code.
     *
     * **Important security information:** this web component does not generate or validates the HMAC validation code.
     * Please, refer to [the Product Verification page](https://wiki.foxycart.com/v/2.0/hmac_validation) for more information and tools for generating the codes.
     */
    signatures?: Record<string, string>;
    /**
     * Optional open: An Object with key, value pairs where the key is a item
     * attribute and the value is a boolean indicating that the property is editable by the user.
     *
     * **Advanced use only**: this web component does not provide means for the user to alter item attributes.
     *
     * See [Product Verification](https://wiki.foxycart.com/v/2.0/hmac_validation) for more information.
     */
    open?: Record<string, boolean>;
    /**
     * Concatenates the fieldName and it's signature.
     *
     * This method does not compute the signature. It must be provided.
     * Signatures should not be computed in the frontend.
     *
     * The unaltered field name is returned if there is no available signature.
     *
     * @argument fieldName the name of the field to get the signed version.
     */
    signedName(fieldName: string): string;
    /**
     * Checks if a given field is user editable.
     *
     * @argument fieldName the name of the field to check if it is user editable.
     * @returns editable true if it is editable, false otherwise.
     */
    isOpen(fieldName: string): boolean;
}