/**
 * Check for the presence of a BOM (Byte Order Mark)
 * @param {ArrayBuffer} buffer - The file buffer
 * @returns {string|null} Detected encoding from BOM or null if no BOM
 */
export function detectBOM(buffer: ArrayBuffer): string | null;
/**
 * Detect encoding based on content analysis
 * This is a basic implementation and may not be 100% accurate
 * @param {ArrayBuffer} buffer - The file buffer
 * @returns {string} Best-guess encoding
 */
export function detectEncoding(buffer: ArrayBuffer): string;
/**
 * Read a file with a specific encoding
 * @param {File|Blob|ArrayBuffer} file - The file or buffer to read
 * @param {string} encoding - The encoding to use
 * @returns {Promise<string>} The file content as a string
 */
export function readWithEncoding(file: File | Blob | ArrayBuffer, encoding?: string): Promise<string>;
/**
 * Utilities for detecting and handling text encodings in CSV files
 */
/**
 * Common text encodings supported by the browser
 */
export const SUPPORTED_ENCODINGS: {
    value: string;
    label: string;
}[];