import { API } from '@editorjs/editorjs';
import { CardWithSelectConfig } from '../types/card-with-select-config.interface';

/**
 * Handler for file operations
 */
declare class FileHandler {
    private api;
    private uploadUrl;
    private renameUrl;
    constructor(api: API, config: CardWithSelectConfig);
    /**
     * Handle file upload
     * @param file - file to upload
     * @param entity - entity object
     * @param onProgress - progress callback
     * @param onSuccess - success callback
     * @param onError - error callback
     */
    handleFileUpload(file: File, entity: any, onProgress: (entity: any, file: File) => void, onSuccess: (entity: any, fileData: any) => void, onError: (entity: any, error: Error) => void): Promise<void>;
    /**
     * Upload file to server
     * @param file - file to upload
     * @returns Promise with file data
     */
    private uploadFileToServer;
    /**
     * Get CSRF token for requests
     */
    private getCSRFToken;
    /**
     * @param bytes
     */
    formatFileSize(bytes: number): string;
    /**
     * Get file icon by filename
     * @param fileName
     */
    getFileIcon(fileName: string): string;
    /**
     * Get file extension
     * @param fileName - name of the file
     */
    getFileExtension(fileName: string): string;
    /**
     * Переименовать файл на сервере
     * @param fileMeta – текущие метаданные файла
     * @param newName – новое имя без расширения
     */
    handleFileRename(fileMeta: any, // Может быть response объект или данные файла
    newName: string): Promise<{
        id: string;
        name: string;
        extension: string;
        url: string;
        size: number;
        createdAt: string;
        updatedAt: string;
    }>;
}
export { FileHandler };