import { InjectionToken } from '@angular/core';
import { BehaviorSubject, Observable } from 'rxjs';
import { Platform } from '@angular/cdk/platform';
import { TranslateService } from '@ngx-translate/core';
import { PrimeNG } from 'primeng/config';
import * as i0 from "@angular/core";
export interface LangData {
    abbr: string;
    text: string;
    langKey: string;
}
export declare const LANGS: {
    [key: string]: LangData;
};
export declare const I18N_Token: {
    new (_desc: string, options?: {
        providedIn?: import("@angular/core").Type<any> | "root" | "platform" | "any" | null | undefined;
        factory: () => I18NServiceInterface;
    } | undefined): InjectionToken<I18NServiceInterface>;
};
export interface I18NServiceInterface {
    [key: string]: any;
    /**
     * Call `use` to trigger change notification
     *
     * 调用 `use` 触发变更通知
     */
    readonly change: Observable<string>;
    /**
     * Get the default language
     *
     * 获取默认语言
     */
    readonly defaultLang: string;
    /**
     * Get current language
     *
     * 获取当前语言
     */
    readonly currentLang: string;
    /**
     * Change language
     *
     * 变更语言
     * @param lang 语言代码
     * @param emit 是否触发 `change`，默认：true
     */
    use(lang: string, emit?: boolean): void;
    /**
     * Return to the current language list
     *
     * 返回当前语言列表
     */
    getLangs(): any[];
    /**
     * 翻译
     * - `params` 模板所需要的参数对象
     * - `isSafe` 是否返回安全字符，自动调用 `bypassSecurityTrustHtml`
     */
    fanyi(key: string, params?: {
        [key: string]: any;
    }, isSafe?: boolean): string;
}
export declare class I18nService {
    translate: TranslateService;
    platform: Platform;
    config: PrimeNG;
    default: string;
    change$: BehaviorSubject<string | null>;
    _langs: {
        code: string;
        text: string;
        abbr: string;
    }[];
    constructor(translate: TranslateService, platform: Platform, config: PrimeNG);
    getDefaultLang(): string;
    use(lang: string): void;
    get change(): Observable<string>;
    /** 获取语言列表 */
    getLangs(): Array<{
        code: string;
        text: string;
        abbr: string;
    }>;
    /** 翻译 */
    fanyi(key: string, interpolateParams?: {}): any;
    /** 默认语言 */
    get defaultLang(): string;
    /** 当前语言 */
    get currentLang(): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<I18nService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<I18nService>;
}