public override string ToString()
{
return string.Format("[ForNextStatement Start={0} End={1} Step={2} NextExpressions={3} TypeReference={4" +
"} VariableName={5} LoopVariableExpression={6} EmbeddedStatement={7}]", Start, End, Step, GetCollectionString(NextExpressions), TypeReference, VariableName, LoopVariableExpression, EmbeddedStatement);
}