public override string ToString() {
StringBuilder sb = new StringBuilder("CfSplit(");
sb.Append("Start_token: ");
sb.Append(Start_token);
sb.Append(",End_token: ");
sb.Append(End_token);
sb.Append(",Row_count: ");
sb.Append(Row_count);
sb.Append(")");
return sb.ToString();
}
