import { ChangeDetectorRef, EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import { NgModel } from '@angular/forms';
import { I18nValue } from '@gspwidget/util';
import { TranslateService } from '@ngx-translate/core';
/** 支持的语言 */
export declare class Lang {
    code: string;
    name: string;
    constructor(code: string, name: string);
}
export declare class I18N_INPUT_CONFIG {
    langs: Promise<Lang[]> | Lang[];
}
/**
 * 当前控件返回的 value，是一个新引用吗？
 * 还是原引用，更改了内部值?
 * 本来用了前者。现在打算改为后面的试试，还没改。
 */
export declare class I18nInputComponent implements OnChanges {
    translate: TranslateService;
    cd: ChangeDetectorRef;
    config: I18N_INPUT_CONFIG;
    placeholder: string;
    /** TODO: 会变，待处理 */
    value: I18nValue | string;
    required: boolean;
    maxLength: boolean;
    valueChangeOnBlur: boolean;
    valueChange: EventEmitter<I18nValue>;
    mainInput: NgModel;
    valid: boolean;
    innerValue: I18nValue;
    tempValue: I18nValue;
    curLang: string;
    showingDropdown: boolean;
    langs: Lang[];
    orderedLangs: any;
    constructor(translate: TranslateService, cd: ChangeDetectorRef, config: I18N_INPUT_CONFIG);
    ngAfterViewInit(): void;
    setLangs(langs: Lang[]): void;
    /** 改变顺序。待改进，因为只有调了它可以更新 html */
    setMainLang(lang: string): void;
    ngOnChanges(changes: SimpleChanges): void;
    handleInputChange(): void;
    handleConfirm(): void;
    handleCancel(): void;
}