import { TranslateService, MissingTranslationHandler } from '@ngx-translate/core';
import { TranslateMessageFormatCompiler } from 'ngx-translate-messageformat-compiler';
import { Observable } from 'rxjs';
import { ConfigService } from './config.service';
import { LogService } from './log.service';
export declare class CustomMissingTranslationHandler extends MissingTranslationHandler {
    compiler: TranslateMessageFormatCompiler;
    handle(params: {
        key: string;
        translateService: TranslateService;
        interpolateParams?: Object;
    }): any;
}
export declare class LocaleService {
    private config;
    private translate;
    private logger;
    static allLanguages: {
        code: string;
        name: string;
    }[];
    get localeChanged$(): Observable<string>;
    private locale;
    private localeChanged;
    constructor(config: ConfigService, translate: TranslateService, log: LogService);
    private patchTranslateService;
    refresh(): void;
    setLocale(lang: string): Promise<void>;
    getLocale(): string;
}