/// <reference types="@arcgis/core/interfaces.d.ts" />
/// <reference path="../../index.d.ts" />
import { AppSettings, LocaleItem, PortalItemResourceT9n } from './support/interfaces';
import { PropertyValues } from 'lit';
import { JsxNode, PublicLitElement as LitElement, TargetedEvent } from '@arcgis/lumina';

/**
 * @slot [primary-custom-action] - A slot for adding a primary action.
 * @slot [secondary-custom-action] - A slot for adding a secondary action.
 * @slot [translation-custom-action] - A slot for adding a custom action in the translation header section of the UI.
 */
export declare class InstantAppsLanguageTranslator extends LitElement {
    /**
     * Instant App portal item - used to fetch it's associated portal item resource. The portal item resource will contain the user-defined translated strings.
     *
     * @required
     */
    portalItem: __esri.PortalItem;
    /**
     * Object used to render each `instant-apps-translator-item`, containing either a `calcite-input` or rich text editor (handles HTML formatting); and, the languages to translate within the dropdown.
     *
     * @required
     */
    appSettings: AppSettings;
    /**
     * Specified languages that the user-defined strings will be translated in.
     *
     * @required
     */
    locales: LocaleItem[];
    /**
     * Controls the open/close state of the dialog.
     *
     * @default false
     */
    open: boolean;
    /**
     * Function to be called when the value in a user locale input has changed. This function will have 2 arguments - fieldName and value - and will return a promise.
     *
     * @required
     */
    userLocaleInputOnChangeCallback: (fieldName: string, value: string) => Promise<void>;
    /**
     * Function that is called when the value in a translated locale's input has changed. This function will have 4 arguments - fieldName, value, locale, and resource - and will return a promise. The callback function can be used to construct the data of key-value pairs that will be written to the portal item resource.
     *
     * @required
     */
    translatedLocaleInputOnChangeCallback: (fieldName: string, value: string, locale: string, resource: __esri.PortalItemResource) => Promise<void>;
    /** Batch write data to associated portal item resource. */
    batchWriteToPortalItemResource(data: PortalItemResourceT9n): Promise<void>;
    /** Gets portal item resource containing the translation data. */
    getPortalItemResource(): Promise<__esri.PortalItemResource | null>;
    /** Gets translation data for all languages and fields. */
    getTranslationData(): Promise<PortalItemResourceT9n | null>;
    /** Updates translation data for all languages and fields. */
    setTranslationData(data: PortalItemResourceT9n): Promise<void>;
    /** Fires when a translation input's value has changed. */
    readonly translatorDataUpdated: TargetedEvent<this, void>;
}