type Woff2Decoder = (data: ArrayBuffer | Uint8Array) => Uint8Array | Promise<Uint8Array>;
export declare function setWoff2Decoder(decoder: Woff2Decoder): void;
export declare class WoffConverter {
    static detectFormat(buffer: ArrayBuffer): 'woff' | 'woff2' | 'ttf/otf';
    static decompressWoff(woffBuffer: ArrayBuffer): Promise<ArrayBuffer>;
    static decompressWoff2(woff2Buffer: ArrayBuffer): Promise<ArrayBuffer>;
    private static decompressZlib;
}
export {};