import { ClientConnection } from 'message-event-channel';
import { HandlerContainer } from './handler-container';
export declare const KEY = "visualization-sdk:locale";
export declare enum LOCALE_EVENTS {
    GET = "visualization-sdk:locale:get",
    CHANGE = "visualization-sdk:locale:change"
}
export declare type LocaleModel = string | null;
export declare type LocaleChangeHandler = (locale: LocaleModel) => void;
export declare type LocaleChangeDispose = () => void;
/**
 * Locale class allows you to get the currently selected locale in the form and watch for changes to asynchronously update your application
 */
export declare class Locale {
    connection: ClientConnection;
    changeHandlerContainer: HandlerContainer<LocaleChangeHandler>;
    constructor(connection: ClientConnection);
    /**
     * Get the current locale selected in visualization settings
     *
     * ### Example
     *
     * ```typescript
     * const value = await visualization.locale.get();
     *
     * console.log(value)
     * ```
     */
    get(): Promise<LocaleModel>;
    /**
     * Sets up a listener for when the visualization locale changes.
     *
     * @param cb - callback function to be called when the visualization locale changes.
     *
     * @returns a dispose function which removes the listener
     *
     * ### Example
     *
     * ```typescript
     *  const dispose = visualization.locale.changed((model) => {
     *    // handle locale change
     *  })
     * ```
     */
    changed(cb: LocaleChangeHandler): LocaleChangeDispose;
}