import { Dispatch, ReactElement, ReactNode, SetStateAction, ComponentProps } from 'react';
import { DivProps } from '../../types';
import { ButtonProps } from '../button';
import { DropArea, DropAreaProps } from './dropArea';
export type UploadStatus = 'default' | 'uploading' | 'success' | 'error';
export interface UploadFile<R = any, A extends any[] = any[]> extends File {
    id: string;
    progress?: number;
    status?: UploadStatus;
    url?: string;
    upload?(...args: A): Promise<R | undefined>;
}
export interface UploadSharedProps<R = any, A extends any[] = any[]> {
    type?: 'file' | 'image';
    onUpload?(files: UploadFile<R, A>[], setProgress: Dispatch<SetStateAction<number>>, ...args: A): Promise<R>;
}
export interface UploadProps<R = any, A extends any[] = any[]> extends UploadSharedProps<R, A>, Omit<DivProps, 'defaultValue' | 'onChange'> {
    inputProps?: ComponentProps<'input'>;
    accept?: string;
    max?: number;
    /**
     * 是否显示"选择文件"按钮
     * {@link type}为"file"生效
     * 默认为true
     */
    showButton?: boolean;
    buttonProps?: ButtonProps;
    buttonText?: ReactNode;
    /** {@link type}为"image"生效 */
    variant?: 'square' | 'circular';
    size?: number;
    /** 是否支持“将文件拖拽到此处” */
    droppable?: boolean;
    dropAreaProps?: DropAreaProps;
    sortable?: boolean;
    defaultValue?: UploadFile<R, A>[];
    value?: UploadFile<R, A>[];
    onChange?(value: UploadFile<R, A>[]): void;
}
export interface UploadRef<R = any, A extends any[] = any[]> extends HTMLDivElement {
    upload(...args: A): Promise<R | undefined>;
}
export declare const Upload: {
    <R = any, A extends any[] = any[]>(props: UploadProps<R, A>): ReactElement;
    DropArea: typeof DropArea;
};