question: gets the value of the preauth property . concode_field_sep PasswordType password concode_elem_sep List<ExtensionType> extension concode_elem_sep BigInteger preauth concode_elem_sep RestrictedPasswordType restrictedPassword concode_elem_sep ActivationPinType activationPin concode_elem_sep ExtensionOnlyType smartcard concode_elem_sep TokenType token concode_field_sep void setPassword concode_elem_sep ExtensionOnlyType getSmartcard concode_elem_sep void setSmartcard concode_elem_sep PasswordType getPassword concode_elem_sep List<ExtensionType> getExtension concode_elem_sep RestrictedPasswordType getRestrictedPassword concode_elem_sep void setToken concode_elem_sep void setActivationPin concode_elem_sep TokenType getToken concode_elem_sep void setPreauth concode_elem_sep void setRestrictedPassword concode_elem_sep ActivationPinType getActivationPin
target: BigInteger function ( ) { return preauth ; }