import { Diagnostics } from "./diagnostics.js";
export interface LocaleData {
    [part: string]: LocaleData | string;
}
export declare namespace LocaleData {
    /**
     * Create an empty locale data object.
     */
    function createNew(): LocaleData;
    /**
     * Try setting a distinct key.
     * @returns false if the key already exists.
     */
    function set(data: LocaleData, key: string, content: string): boolean;
    /**
     * Check if the specified object represents valid locale data.
     * @param data Data to validate.
     */
    function validate(data: LocaleData): boolean;
    /**
     * Merge a source locale data into the target locale data.
     */
    function merge(target: LocaleData, source: LocaleData, diagnostics: Diagnostics): void;
    /**
     * Clone locale data.
     */
    function clone(data: LocaleData): any;
    /**
     * Combine locale data objects.
     * @param sources The objects to combine.
     * @returns The new locale data object.
     */
    function combine(sources: LocaleData[], diagnostics: Diagnostics): LocaleData;
}