const ERROR_TYPE_UNKNOWN = 1,
  ERROR_TYPE_INPUT = 2,
  ERROR_TYPE_PARSE = 3,
  ERROR_VERIFY_SIGNATURE = 4;
class SignPdfError extends Error {
  constructor(R, E = ERROR_TYPE_UNKNOWN) {
    super(R), (this.type = E);
  }
}
(SignPdfError.TYPE_UNKNOWN = ERROR_TYPE_UNKNOWN),
  (SignPdfError.TYPE_INPUT = ERROR_TYPE_INPUT),
  (SignPdfError.TYPE_PARSE = ERROR_TYPE_PARSE),
  (SignPdfError.VERIFY_SIGNATURE = ERROR_VERIFY_SIGNATURE);
export {
  ERROR_TYPE_UNKNOWN,
  ERROR_TYPE_INPUT,
  ERROR_TYPE_PARSE,
  ERROR_VERIFY_SIGNATURE,
  SignPdfError,
};