readBuffer(path: string, onError?: (error: any) => any): ArrayBuffer;

readBufferAsync(path: string): Promise<ArrayBuffer>;

readBufferSync(path: string, onError?: (error: any) => any): ArrayBuffer;

writeBuffer(path: string, content: ArrayBuffer | Uint8Array | Uint8ClampedArray, onError?: (error: any) => any);

writeBufferAsync(path: string, content: ArrayBuffer | Uint8Array | Uint8ClampedArray): Promise<void>;

writeBufferSync(path: string, content: ArrayBuffer | Uint8Array | Uint8ClampedArray, onError?: (error: any) => any);