/// <reference types="react" />
import { DelayHandler, EventListenerHandler, Json } from '@befe/brick-utils';
import { ConfiguredComponent } from '@befe/brick-core';
export type DownloadIframeMethod = 'get' | 'post';
export interface DownloadIframeProps {
    /**
     * 自定义 class
     */
    className?: string;
    /**
     * 下载地址
     */
    url?: string;
    /**
     * 请求方法
     */
    method?: DownloadIframeMethod;
    /**
     * 请求参数
     * { [key]: string | number }
     */
    params?: Record<string, unknown>;
    /**
     * 请求成功的回调
     */
    onResponse?: (respJson: Json, respText: string) => void;
    /**
     * request 响应成功的判断函数
     */
    isResponseSuccess?: (respJson: Json, respText: string) => boolean;
    /**
     * 开始下载消息延迟出现时间
     * - 小于等于 0: 不触发延时
     * - 大于 0: 延迟触发
     */
    startMessageDelay?: number;
    /**
     * 开始下载消息持续时间
     */
    startMessageDuration?: number;
}
interface ParamItem {
    name: string;
    value: string;
}
export declare class DownloadIframe extends ConfiguredComponent<DownloadIframeProps> {
    static displayName: string;
    static defaultProps: {
        className: string;
        method: string;
        startMessageDelay: number;
    };
    componentLocale: import("@befe/brick-core").ComponentLocale<{
        en_us: {
            download_start: string;
            download_fail: string;
        };
        zh_cn: {
            download_start: string;
            download_fail: string;
        };
    }>;
    refForm: import("react").RefObject<HTMLFormElement>;
    refIframe: import("react").RefObject<HTMLIFrameElement>;
    iframeId: string;
    iframeLoadHandler: EventListenerHandler | null;
    startMessageHandler: DelayHandler | null;
    get className(): string;
    get paramList(): {
        name: string;
        value: string;
    }[];
    handleIframeLoad: () => void;
    renderFiledInput: (item: ParamItem) => import("react/jsx-runtime").JSX.Element;
    /**
     * @public
     */
    download(): void;
    isResponseSuccess(respJson: Json, respText: string): boolean | undefined;
    toastStartMessage(): void;
    clearStartMessage(): void;
    updateStartMessageHandler(): void;
    componentDidMount(): void;
    componentWillUnmount(): void;
    componentDidUpdate(prevProps: Readonly<DownloadIframeProps>): void;
    render(): import("react/jsx-runtime").JSX.Element;
}
export {};