import { type ImgData } from "./utils";
export type Metadata = {
    width: number;
    height: number;
    format: string;
};
/**
 * Retrieves the metadata of an image.
 *
 * @param {ImgData} input - The readable stream or buffer of the image.
 * @returns {Promise<Metadata>} object containing the width, height, and format of the image.
 */
export declare function getImgMetadata(input: ImgData): Promise<Metadata>;