/**
 * @description PKCS7 编码
 * @author beary
 * @param buf { Buffer } 需要进行编码的 Buffer
 * @param blockSize { string } 偏移块大小
 */
export declare const encode: (buf: Buffer, blockSize?: number) => Buffer;
/**
 * @description PKCS7 解码
 * @author beary
 * @param buf { Buffer } 需要进行解码的 Buffer
 * @param blockSize { string } 偏移块大小
 */
export declare const decode: (buf: Buffer, blockSize?: number) => Buffer;