import * as React from 'react';
export declare const useFileUpload: (inProps?: unknown) => import("@primereact/types/core").HeadlessInstance<import("@primereact/types/headless/fileupload").UseFileUploadProps, unknown, {
    state: {
        files: File[];
        progress: number;
        uploadedFiles: File[];
    };
    uploadedFileCount: React.RefObject<number>;
    hasFiles: boolean;
    hasUploadedFiles: boolean;
    rootProps: {
        'data-disabled'?: string | undefined;
        'data-scope': "fileupload";
        'data-part': "root";
    };
    chooseProps: {
        'data-disabled'?: string | undefined;
        'data-scope': "fileupload";
        'data-part': "choose";
        onClick: () => void;
    };
    uploadProps: {
        'data-disabled'?: string | undefined;
        'data-scope': "fileupload";
        'data-part': "upload";
        onClick: () => void;
        disabled: boolean;
    };
    clearProps: {
        'data-disabled'?: string | undefined;
        'data-scope': "fileupload";
        'data-part': "clear";
        onClick: () => void;
        disabled: boolean;
    };
    inputProps: {
        ref: (node: HTMLInputElement | null) => void;
        'data-scope': "fileupload";
        'data-part': "text";
        type: "file";
        accept: string | undefined;
        multiple: boolean | undefined;
        disabled: boolean | undefined;
        onChange: (event: React.ChangeEvent<HTMLInputElement> | DragEvent) => void;
    };
    contentProps: {
        ref: (node: HTMLDivElement | null) => void;
        'data-scope': "fileupload";
        'data-part': "content";
        role: "region";
        'aria-busy': boolean;
        onDragEnter: React.DragEventHandler<HTMLDivElement>;
        onDragOver: React.DragEventHandler<HTMLDivElement>;
        onDragLeave: React.DragEventHandler<HTMLDivElement>;
        onDrop: React.DragEventHandler<HTMLDivElement>;
    };
    fileRemoveProps: {
        'data-scope': "fileupload";
        'data-part': "fileRemove";
    };
    fileProps: {
        'data-scope': "fileupload";
        'data-part': "file";
    };
    fileThumbnailProps: {
        'data-scope': "fileupload";
        'data-part': "fileThumbnail";
    };
    fileInfoProps: {
        'data-scope': "fileupload";
        'data-part': "fileInfo";
    };
    fileNameProps: {
        'data-scope': "fileupload";
        'data-part': "fileName";
    };
    fileSizeProps: {
        'data-scope': "fileupload";
        'data-part': "fileSize";
    };
    fileListProps: {
        'data-scope': "fileupload";
        'data-part': "fileList";
    };
    upload: () => void;
    cancelUpload: () => void;
    onFileSelect: (event: React.ChangeEvent<HTMLInputElement> | DragEvent) => void;
    choose: () => void;
    uploader: (uploadFiles?: File[]) => void;
    clear: () => void;
    remove: (index: number) => void;
    removeUploadedFile: (index: number) => void;
    formatSize: (bytes: number) => string;
    onDragEnter: (event: DragEvent) => void;
    onDragOver: (event: DragEvent) => void;
    onDragLeave: () => void;
    onDrop: (event: DragEvent) => void;
}>;