code: public <E> TerminalResult IN(DomainObjectMatch<E> domainObjects) {
  		DomainObjectMatch<?> delegate = APIAccess.getDelegate(domainObjects);
  		DomainObjectMatch<?> match = delegate != null ? delegate : domainObjects;
  		getPredicateExpression().setOperator(Operator.IN);
  		getPredicateExpression().setValue_2(match);
  		TerminalResult ret = APIAccess.createTerminalResult(this.getPredicateExpression());
  		QueryRecorder.recordInvocation(this, "IN", ret, QueryRecorder.placeHolder(match));
  		return ret;
  	}
docs: <div color='red' style="font-size:24px;color:red"><b><i><u>JCYPHER</u></i></b></div>
  <div color='red' style="font-size:18px;color:red"><i>test for containment in a list of matched domain objects</i></div>
  <br/>