@SafeVarargs
  public final GivenRuleBuilder<T, U> given(NameValueReferable... facts) {
    _rule.addFacts(facts);
    return this;
  }
@SafeVarargs
  public final GivenRuleBuilder<T, U> given(NameValueReferable... facts) {
    _rule.addFacts(facts);
    return this;
  }
@ SafeVarargs public final GivenRuleBuilder < T , U > given ( NameValueReferable ... facts ) { _rule . addFacts ( facts ) ; return this ; }
Adds one or more facts into the Rule.
@param   facts one or more facts
@return  the current builder object
Adds one or more facts into the Rule .