code: def passphrase(self, passphrase):
          
          if passphrase is not None and len(passphrase) > 1000:
              raise ValueError("Invalid value for `passphrase`, length must be less than or equal to `1000`")
  
          self._passphrase = passphrase
docs: Sets the passphrase of this GlobalSignCredentials.
          The passphrase to decrypt the private key in case it is encrypted. Empty if the private key is not encrypted. 
  
          :param passphrase: The passphrase of this GlobalSignCredentials.
          :type: str