returns a rulechain without a testrule . this method may be the starting point of a rulechain . concode_field_sep RuleChain EMPTY_CHAIN concode_elem_sep List<TestRule> rulesStartingWithInnerMost concode_field_sep Statement apply concode_elem_sep RuleChain outerRule concode_elem_sep RuleChain around
RuleChain function ( ) { return EMPTY_CHAIN ; }