import React, { CSSProperties, ReactNode } from 'react';
import { ProgressProps } from '../Progress';
export declare const STATUS: {
    [key: string]: UploadStatus;
};
export declare type UploadStatus = 'init' | 'uploading' | 'done' | 'error';
export declare type ListType = 'text' | 'picture-list' | 'picture-card';
export declare type CustomIconType = {
    previewIcon?: ReactNode;
    removeIcon?: ReactNode;
    fileIcon?: ReactNode;
    reuploadIcon?: ReactNode;
    cancelIcon?: ReactNode;
    startIcon?: ReactNode;
    errorIcon?: ReactNode;
    successIcon?: ReactNode;
    fileName?: (file: UploadItem) => ReactNode;
    progressRender?: (file: UploadItem, originDom: ReactNode) => React.ReactElement;
    imageRender?: (file: UploadItem) => React.ReactNode;
};
export declare type RequestOptions = Pick<UploadProps, 'headers' | 'name' | 'data' | 'withCredentials' | 'action'> & {
    /** 更新当前文件的上传进度 。percent: 当前上传进度百分比 */
    onProgress: (percent: number, event?: ProgressEvent) => void;
    /** 上传成功后，调用onSuccess方法，传入的response参数将会附加到当前上传文件的reponse字段上 */
    onSuccess: (response?: object) => void;
    /** 上传失败后，调用onError方法，传入的 response 参数将会附加到当前上传文件的response字段 */
    onError: (response?: object) => void;
    /** 当前上传文件 */
    file: File;
};
export interface UploadRequestReturn {
    abort?: () => void;
    [key: string]: any;
}
export declare type UploadRequest = (options: RequestOptions) => UploadRequestReturn | void;
/**
 * @title Upload
 */
export interface UploadProps {
    style?: CSSProperties;
    className?: string | string[];
    /**
     * @zh 默认已上传的文件列表
     * @en Default list of files that have been uploaded
     */
    defaultFileList?: UploadItem[];
    /**
     * @zh 已上传的文件列表
     * @en List of files that have been uploaded
     */
    fileList?: UploadItem[];
    /**
     * @zh 文件夹上传
     * @en Support upload whole directory
     * @version 2.11.0
     */
    directory?: boolean;
    /**
     * @zh 接受上传的类型 [详细请参考](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#accept)
     * @en Accepted [file types](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#accept)
     */
    accept?: string;
    /**
     * @zh 通过覆盖默认的上传行为，可以自定义自己的上传实现
     * @en Provide an override for the default xhr behavior for additional customization
     */
    customRequest?: (options: RequestOptions) => UploadRequestReturn | void;
    /**
     * @zh 展示类型
     * @en Upload list Style
     * @defaultValue text
     */
    listType?: 'text' | 'picture-list' | 'picture-card';
    /**
     * @zh 启用内置的图片预览，仅在 listType='picture-card' 时生效。(`v2.41.0`)
     * @en Enable built-in image preview, only works when listType='picture-card'. (`v2.41.0`)
     */
    imagePreview?: boolean;
    /**
     * @zh
     * 是否展示上传文件列表。预览图标，删除图标，文件图标，重新上传图标，取消上传图标。
     * @en
     * Whether to show upload list.It can be an object to customize the `previewIcon`, `removeIcon`,
     * `fileIcon`, `reuploadIcon`, `cancelIcon`, `startIcon`, `errorIcon` and `fileName`
     * @defaultValue true
     */
    showUploadList?: boolean | CustomIconType;
    /**
     * @zh 是否选中文件后自动上传
     * @en Whether to automatically upload files after selecting them
     * @defaultValue true
     */
    autoUpload?: boolean;
    /**
     * @zh action
     * @en Uploading URL
     */
    action?: string;
    /**
     * @zh 限制上传数量。默认超出后会隐藏上传节点。对象类型在 `2.28.0` 支持
     * @en maximum number of uploads allowed. Object type is supported in `2.28.0`
     */
    limit?: number | {
        maxCount: number;
        hideOnExceedLimit?: boolean;
    };
    /**
     * @zh 禁用
     * @en Whether to disable
     */
    disabled?: boolean;
    /**
     * @zh 是否拖拽上传
     * @en Whether to enable drag and drop upload
     */
    drag?: boolean;
    /**
     * @zh 文件多选
     * @en Whether to allow multiple files to be selected
     */
    multiple?: boolean;
    /**
     * @zh 提示文字，listType 不同，展示会有区别
     * @en The tip text
     */
    tip?: string | React.ReactNode;
    /**
     * @zh 上传时使用的 headers
     * @en Set request headers
     */
    headers?: object;
    /**
     * @zh 上传时的 Body 参数
     * @en additions params of request
     */
    data?: object | ((any: any) => object);
    /**
     * @zh 发请求时文件内容的参数名
     * @en The key name of uploading file
     */
    name?: string | ((any: any) => string);
    /**
     * @zh 上传请求是否携带 cookie
     * @en Whether to carry cookies when uploading requests
     */
    withCredentials?: boolean;
    /**
     * @zh 进度条属性，接收所有进度条的 props。
     * @en The props of [Progress component](/react/en-US/components/progress).
     */
    progressProps?: Partial<ProgressProps>;
    /**
     * @zh 自定义上传列表项
     * @en Custom item of uploadList
     */
    renderUploadItem?: (originNode: ReactNode, file: UploadItem, fileList: UploadItem[]) => ReactNode;
    /**
     * @zh 自定义展示上传文件列表
     * @en Custom uploadList
     */
    renderUploadList?: (fileList: UploadItem[], uploadListProps: UploadListProps) => ReactNode;
    /**
     * @zh 上传文件改变时的回调。文件开始上传，失败，成功时会触发。注意：如果需要实时获取文件的上传进度，请在 `onProgress` 中处理。
     * @en Callback when uploading state is changing
     */
    onChange?: (fileList: UploadItem[], file: UploadItem) => void;
    /**
     * @zh 点击预览时候的回调
     * @en Callback when the preview icon is clicked
     */
    onPreview?: (file: UploadItem) => void;
    /**
     * @zh 点击删除文件时的回调。返回 `false` 或者 `Promise.reject` 的时候不会执行删除。
     * @en Callback when the remove icon is clicked.Remove actions will be aborted when the return value is false or a Promise which resolve(false) or reject.
     */
    onRemove?: (file: UploadItem, fileList: UploadItem[]) => void;
    /**
     * @zh 文件上传进度的回调
     * @en Callback when uploading progress is changing
     */
    onProgress?: (file: UploadItem, e?: ProgressEvent) => void;
    /**
     * @zh 文件重新上传时触发的回调
     * @en Callback when the re-upload icon is clicked
     */
    onReupload?: (file: UploadItem) => void;
    /**
     * @zh 超出上传数量限制时触发
     * @en Callback when limit is exceeded
     */
    onExceedLimit?: (files: File[], fileList: UploadItem[]) => void;
    /**
     * @zh 上传文件之前的回调。返回 false 或者 promise抛出异常的时候会取消上传。
     * @en Callback before uploading. Uploading will be aborted when the return value is false or a Promise which resolve(false) or reject.
     * @defaultValue () => true
     */
    beforeUpload?: (file: File, filesList: File[]) => boolean | Promise<any>;
    /**
     * @zh 拖拽上传文件时执行的回调
     * @en Callback after drag file to the upload area and drop.
     * @version 2.37.0
     */
    onDrop?: (e: React.DragEvent) => void;
    /**
     * @zh 拖拽上传文件进入拖拽区时的回调
     * @en Callback when drag and drop uploaded file into the drag area
     * @version 2.41.0
     */
    onDragOver?: (e: React.DragEvent) => void;
    /**
     * @zh 拖拽上传文件离开拖拽区时的回调
     * @en Callback when drag and drop uploaded file leaves the drag area
     * @version 2.41.0
     */
    onDragLeave?: (e: React.DragEvent) => void;
}
/**
 * @title UploadListProps
 * @zh 文件上传列表展示
 * @en File upload list display
 */
export interface UploadListProps {
    imagePreview?: boolean;
    listType?: string;
    fileList?: UploadItem[];
    showUploadList?: boolean | CustomIconType;
    progressProps?: Partial<ProgressProps>;
    onUpload?: (file: UploadItem) => void;
    /**
     * @zh 中止文件上传的回调
     * @en Callback when the cancel icon is clicked
     */
    onAbort?: (file: UploadItem) => void;
    /**
     * @zh 点击删除文件时的回调。返回 false 或者 Promise.reject 的时候不会执行删除
     * @en Callback when the remove icon is clicked.Remove actions will be aborted when the return value is false or a Promise which resolve(false) or reject
     */
    onRemove?: (file: UploadItem) => void;
    /**
     * @zh 重新上传的回调
     * @en Callback when the re-upload icon is clicked
     */
    onReupload?: (file: UploadItem) => void;
    /**
     * @zh 点击预览时候的回调。
     * @en Callback when the preview icon is clicked
     */
    onPreview?: (file: UploadItem) => void;
    /**
     * @zh 禁用
     * @en Whether to disable
     */
    disabled?: boolean;
    renderUploadItem?: (originNode: ReactNode, file: UploadItem, fileList: UploadItem[]) => ReactNode;
    renderUploadList?: (fileList: UploadItem[], uploadListProps: Omit<UploadListProps, 'renderUploadList'>) => ReactNode;
    prefixCls?: string;
}
/**
 * @title UploadItem
 */
export declare type UploadItem = {
    /**
     * @zh 当前上传文件的唯一标示
     * @en Unique identifier
     */
    uid: string;
    /**
     * @zh 当前上传文件的状态
     * @en Uploading status
     */
    status?: UploadStatus;
    /**
     * @zh 文件对象
     * @en File Object
     */
    originFile?: File;
    /**
     * @zh 上传进度百分比
     * @en Upload progress percentage
     */
    percent?: number;
    /**
     * @zh 当前文件上传请求返回的响应
     * @en Response of upload request
     */
    response?: object;
    /**
     * @zh 文件 url
     * @en File url
     */
    url?: string;
    /**
     * @zh 文件名
     * @en File name
     */
    name?: string;
    children?: ReactNode;
};
export interface UploaderProps extends UploadProps {
    prefixCls?: string;
    limit?: number;
    hide?: boolean;
    onFileStatusChange?: (fileList: UploadItem[], file: UploadItem) => void;
}
export declare type TriggerProps = {
    tip?: string | React.ReactNode;
    multiple?: boolean;
    accept?: string;
    disabled?: boolean;
    directory?: boolean;
    drag?: boolean;
    listType?: 'text' | 'picture-list' | 'picture-card';
    onClick: () => void;
    onDrop?: (e: React.DragEvent) => void;
    onDragLeave?: (e: React.DragEvent) => void;
    onDragOver?: (e: React.DragEvent) => void;
    onDragFiles: (files: File[]) => void;
    prefixCls?: string;
};
export declare type UploadInstance = {
    /** 手动上传时，调用该方法，开始上传。不传参数时，会默认上传全部init状态的文件 */
    submit: (file?: UploadItem) => void;
    /** 中止文件上传 */
    abort: (file: UploadItem) => void;
    /** 重新上传文件 */
    reupload: (file: UploadItem) => void;
};