import React, { FC, MutableRefObject, ReactNode } from 'react';
import SeverityType from '../../types/SeverityType';
import { flex, box } from '../../utility/box';
export interface FeedbackType {
    'data-testid'?: string;
    severity: SeverityType;
    message: string;
}
export interface ValueType {
    source: string;
    alt: string;
}
export interface FileInputInstanceType {
    pickFile(): void;
    clear(): void;
}
export type PropsType = typeof flex.props & typeof box.props & {
    name: string;
    value: MutableRefObject<File | null | undefined>;
    instance: MutableRefObject<FileInputInstanceType | null>;
    preview?: string;
    alt?: string;
    maxHeight?: string;
    disabled?: boolean;
    accept: Array<string>;
    feedback?: FeedbackType;
    placeholder: ReactNode;
    dropPlaceholder: ReactNode;
    toolbar?: ReactNode;
    'data-testid'?: string;
    validate?(value: File): boolean | Promise<boolean>;
    onChange?(): void;
};
declare const FileInput: FC<React.PropsWithChildren<PropsType>>;
export default FileInput;