import { ConfigStateService, LanguageInfo, SessionStateService } from '@abp/ng.core';
import { BooleanInput } from '@delon/util/decorator';
import { Observable } from 'rxjs';
export declare class HeaderI18nComponent {
    private sessionState;
    private configState;
    static ngAcceptInputType_showLangText: BooleanInput;
    /** Whether to display language text */
    showLangText: boolean;
    languages$: Observable<LanguageInfo[]>;
    get defaultLanguage$(): Observable<string>;
    get dropdownLanguages$(): Observable<LanguageInfo[]>;
    get selectedLangCulture(): string;
    constructor(sessionState: SessionStateService, configState: ConfigStateService);
    onChangeLang(cultureName: string): void;
}