/**
 * WOFF2 to SFNT Converter
 *
 * Converts WOFF2 compressed fonts back to raw TTF/OTF format.
 * Reference: https://www.w3.org/TR/WOFF2/
 */
/** Convert WOFF2 to SFNT */
export declare function woff2ToSfnt(buffer: ArrayBuffer): Promise<ArrayBuffer>;