import * as React from 'react';
import { FormGroupProps } from '../Form/FormGroup';
import { ButtonProps, ButtonSize } from '../Button/Button';
import { ButtonVariant } from '../utils/types';
type FileUpload = ButtonProps & FormGroupProps;
/** @deprecated use undefined instead. To be removed in v3  **/
declare const object: {};
type SelectedFileType = FileList | undefined | typeof object;
export interface FileUploadProps extends FileUpload {
    variant?: ButtonVariant;
    size?: ButtonSize;
    /** Sets a unique id to the file input, required. */
    controlId: string;
    /** Expose the FileList object for uploading, preview etc */
    onChangeFile: (data: FileList) => void;
    /** Sets the FileList object back from the state for rendering list of file names */
    selectedFile: SelectedFileType;
    disabled?: boolean;
    /** Customize the checked icon */
    checkedIcon?: JSX.Element;
    /** Customize the cancel icon */
    cancelIcon?: JSX.Element;
    /** When true, the user is allowed to enter more than one value in the input element */
    multiple?: boolean;
    /** Similar to the native accept attribute of input[type=file]. It takes as its value a comma-separated list of one or more file types, or unique file type specifiers, describing which file types to allow. */
    accept?: string;
    /** Forwarded to the className attribute of Button component in FileUpload. */
    buttonClassName?: string;
}
export declare const FileUpload: React.FC<FileUploadProps>;
export {};