import * as React from 'react';
export interface FileUploadItem {
    file: File;
    status: 'selected' | 'uploading' | 'complete' | 'error';
    /** 0..1 while uploading (driven by onUpload's onProgress). */
    progress?: number;
    error?: string;
}
export interface FileUploadRejection {
    file: File;
    reason: 'type' | 'size' | 'count';
}
export type FileUploadChangeReason = 'accept' | 'reject' | 'remove' | 'progress' | 'complete' | 'error';
export interface FileUploadChangeDetails {
    reason: FileUploadChangeReason;
    rejections?: readonly FileUploadRejection[];
}
export interface FileUploadProps extends Omit<React.HTMLAttributes<HTMLDivElement>, 'onError'> {
    /** Accepted file types, in the native `accept` attribute format. */
    accept?: string;
    /** Allows selecting more than one file. */
    multiple?: boolean;
    /** Maximum size of one file, in bytes. */
    maxSize?: number;
    /** Maximum admitted files. */
    maxFiles?: number;
    /** @deprecated use maxFiles */
    /** Maximum number of files. */
    maxCount?: number;
    /** Disables interaction. */
    disabled?: boolean;
    /** Pre-populated file list (stories, controlled seeding). */
    defaultItems?: readonly FileUploadItem[];
    /** Called on every list mutation with the reason + rejections. */
    onValueChange?: (items: FileUploadItem[], details: FileUploadChangeDetails) => void;
    /** Called with the files that passed the type, size and count checks. */
    onFilesAccepted?: (items: FileUploadItem[]) => void;
    /** Called with the files that failed a check, each with its reason. */
    onFilesRejected?: (rejections: FileUploadRejection[]) => void;
    /** Optional async upload; aborts via signal, drives item.progress via onProgress. */
    onUpload?: (file: File, ctx: {
        signal: AbortSignal;
        onProgress: (progress: number) => void;
    }) => Promise<unknown>;
    /** Content rendered inside the component. */
    children?: React.ReactNode;
}
export declare function FileUpload({ accept, multiple, maxSize, maxFiles, maxCount, disabled, defaultItems, onValueChange, onFilesAccepted, onFilesRejected, onUpload, children, className, ref, ...rest }: FileUploadProps & {
    /** Ref to the rendered root element. */
    ref?: React.Ref<HTMLDivElement> | undefined;
}): React.JSX.Element;
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