import { DeepKeyOf, DeepPartial, FlattenObjectKeys } from '@maz-ui/utils/ts-helpers';
import { Ref } from 'vue';
import { default as defaultMessages } from './locales/en';
export type TranslationKey = NonNullable<DeepKeyOf<MazUiTranslationsFlattenSchema>>;
export type MazUiTranslationsMessages = Record<string, MazUiTranslationsSchema | (() => Promise<MazUiTranslationsSchema>) | (() => Promise<{
    default: MazUiTranslationsSchema;
}>)>;
export interface MazUiTranslationsOptions {
    /**
     * The locale to use
     * @default 'en'
     */
    locale?: string;
    /**
     * The fallback locale to use
     * @default 'en'
     */
    fallbackLocale?: string;
    /**
     * Whether to preload the fallback locale asynchronously
     * @default true
     */
    preloadFallback?: boolean;
    /**
     * Modify existing or add new languages
     */
    messages?: MazUiTranslationsMessages;
}
export interface MazUiTranslationsInstance {
    /**
     * The current locale
     */
    locale: Ref<string>;
    /**
     * The translation function
     */
    t: (key: TranslationKey, variables?: Record<string, any>) => string;
    /**
     * The function to set the locale dynamically
     */
    setLocale: (locale: string) => Promise<void>;
    /**
     * The function to get the available locales
     */
    getAvailableLocales: () => string[];
    /**
     * The function to get the loaded locales
     */
    getLoadedLocales: () => string[];
    /**
     * The function to add messages to a locale
     */
    setLocaleMessage: (locale: string, messages: Partial<MazUiTranslationsSchema>) => void;
    /**
     * The function to check if a locale is loaded
     */
    isLocaleLoaded: (locale: string) => boolean;
    /**
     * The function to check if a locale is loading
     */
    isLocaleLoading: (locale: string) => boolean;
    /**
     * The function to get the messages
     */
    getMessages: () => Record<string, Partial<MazUiTranslationsSchema>>;
}
export type MazUiTranslationsFlattenSchema = Record<FlattenObjectKeys<typeof defaultMessages>, string>;
export type MazUiTranslationsNestedSchema = typeof defaultMessages;
export type MazUiTranslationsSchema = DeepPartial<MazUiTranslationsFlattenSchema | MazUiTranslationsNestedSchema>;
export interface GlobalState {
    loadedLocales: Set<string>;
    messages: Record<string, Partial<MazUiTranslationsSchema>>;
    userMessages: MazUiTranslationsMessages;
    loadingPromises: Map<string, Promise<void>>;
}