/**
 * @fileoverview Utility functions for working with images.
 * @author Nicholas C. Zakas
 */
/**
 * Determines the MIME type of an image from its binary data.
 * @param {Uint8Array} bytes The image data to examine.
 * @returns {"image/png"|"image/jpeg"|"image/gif"} The MIME type of the image.
 * @throws {TypeError} If the image type cannot be determined.
 */
export function getImageMimeType(bytes: Uint8Array): "image/png" | "image/jpeg" | "image/gif";