returns the raw challenge . concode_field_sep Identity _identity concode_elem_sep IdentityProvider _identityProvider concode_elem_sep String _returnURL concode_elem_sep Context _context concode_elem_sep DbAdapter _dbAdapter concode_elem_sep String _rawChallenge concode_elem_sep String _protocolVersion concode_field_sep String getProtocolVersion concode_elem_sep void _setProtocolVersion concode_elem_sep String _getString concode_elem_sep String _getString concode_elem_sep void _setIdentity concode_elem_sep void _setIdentityProvider concode_elem_sep Identity getIdentity concode_elem_sep void _setReturnURL concode_elem_sep String getReturnURL concode_elem_sep Context _getContext concode_elem_sep DbAdapter _getDbAdapter concode_elem_sep IdentityProvider getIdentityProvider concode_elem_sep void _parseRawChallenge
String function ( ) { return _rawChallenge ; }