// XAndExpression returns XExpression:
 //	XEqualityExpression (=> ({XBinaryOperation.leftOperand=current}
 // feature=[types::JvmIdentifiableElement|OpAnd])
 //	rightOperand=XEqualityExpression)*;
 public XbaseGrammarAccess.XAndExpressionElements getXAndExpressionAccess() {
   return gaXbase.getXAndExpressionAccess();
 }