import { Component, ExtractPropTypes, PropType } from 'vue';
export interface UploadRequestT {
    abort: () => void;
}
export declare const UploadFileStatusTypes: readonly ["pending", "uploading", "finished", "failed"];
export type UploadFileStatusT = (typeof UploadFileStatusTypes)[number];
export interface UploadFileT {
    id: string | number;
    name: string;
    file?: File;
    status?: UploadFileStatusT;
    message?: string;
    messageClass?: string;
    retry?: boolean;
    percent?: number;
    request?: UploadRequestT;
    icon?: string | boolean | Component;
    imgUrl?: string;
}
export interface UploadRequestOptionT {
    onProgress: (percent: number, event?: ProgressEvent) => void;
    onSuccess: (response?: {
        messages?: string;
        [k: string]: unknown;
    }) => void;
    onError: (response?: {
        messages?: string;
        [k: string]: unknown;
    }, retry?: boolean) => void;
    file: UploadFileT;
}
export declare const UploadListTypes: readonly ["text", "picture", "picture-card"];
export type UploadListTypeT = (typeof UploadListTypes)[number];
export declare const uploadProps: {
    /**
     * @zh-CN 文件列表(受控)
     * @en-US File List (Controlled).
     */
    modelValue: {
        type: PropType<UploadFileT[]>;
    };
    /**
     * @zh-CN 文件列表(非受控)
     * @en-US File list (uncontrolled).
     */
    defaultFileList: {
        type: PropType<UploadFileT[]>;
    };
    /**
     * @zh-CN 文件选择，MIME类型：image/jpeg;image/jpg;image/png;image/gif;video/mp4
     * @en-US File selection, MIME type: image/jpeg; image/jpg; image/png; image/gif; video/mp4.
     */
    accept: {
        type: StringConstructor;
    };
    /**
     * @zh-CN 是否为禁用状态
     * @en-US Disable uploading.
     */
    disabled: {
        type: BooleanConstructor;
    };
    /**
     * @zh-CN 是否支持多文件上传
     * @en-US Support multi-file upload.
     */
    multiple: {
        type: BooleanConstructor;
    };
    /**
     * @zh-CN 选择文件前回调，根据返回值判断是否继续选择文件
     * @en-US Before selecting a file, there is a callback. Based on the return value, determine whether to continue selecting the file.
     */
    beforeSelect: {
        type: PropType<(value: UploadFileT[]) => Promise<boolean> | boolean>;
    };
    /**
     * @zh-CN 选择后触发
     * @en-US Triggered after selection.
     */
    onAfterSelect: {
        type: PropType<(fileList: FileList) => Promise<Array<UploadFileT>>>;
    };
    /**
     * @zh-CN 下载文件
     * @en-US Download the file.
     * @since 1.2.1
     */
    downloadFile: {
        type: PropType<(file: File) => void>;
    };
    /**
     * @zh-CN 上传按钮文本
     * @en-US Upload button text.
     */
    btnLabel: {
        type: StringConstructor;
    };
    /**
     * @zh-CN 自定义上传请求
     * @en-US Customize upload requests.
     */
    uploadRequest: {
        type: PropType<(options: UploadRequestOptionT) => UploadRequestT>;
    };
    /**
     * @zh-CN true 选择完成后，手动触发上传；false 选择完成后自动上传
     * @en-US After the true selection is completed, manually trigger the upload. false: Automatically upload after selection is completed.
     */
    lazyUpload: {
        type: BooleanConstructor;
    };
    /**
     * @zh-CN 上传前触发
     * @en-US Triggered before upload.
     */
    onBeforeUpload: {
        type: PropType<(file: UploadFileT) => Promise<boolean | File>>;
    };
    /**
     * @zh-CN 删除前触发
     * @en-US Triggered before deletion.
     */
    onBeforeRemove: {
        type: PropType<(file: UploadFileT) => Promise<boolean>>;
    };
    /**
     * @zh-CN 支持拖拽上传
     * @en-US Supports drag-and-drop upload.
     */
    draggable: {
        type: BooleanConstructor;
    };
    /**
     * @zh-CN 拖拽区域上传提示文本
     * @en-US Drag the area to upload the prompt text.
     */
    dragLabel: {
        type: StringConstructor;
    };
    /**
     * @zh-CN 拖拽区域拖拽中的提示文本
     * @en-US The prompt text in the drag-and-drop area.
     */
    dragHoverLabel: {
        type: StringConstructor;
    };
    /**
     * @zh-CN 文件列表类型
     * @en-US File list type.
     * @default 'text'
     */
    listType: {
        type: PropType<"text" | "picture" | "picture-card">;
        default: string;
    };
    /**
     * @zh-CN 生成缩略图
     * @en-US Generate thumbnails.
     */
    createThumbnail: {
        type: PropType<(file: File) => Promise<string>>;
    };
    /**
     * @zh-CN 文件上传中是否展示进度条
     * @en-US Whether to display a progress bar during file upload.
     * @since 1.2.0
     */
    showProgress: {
        type: BooleanConstructor;
        default: boolean;
    };
};
export type UploadPropsT = ExtractPropTypes<typeof uploadProps>;