text: public override void Serialize(ILittleEndianOutput out1){out1.WriteShort(field_1_number_of_sheets);if (IsExternalReferences){StringUtil.WriteUnicodeString(out1, field_2_encoded_url);for (int i = 0; i < field_3_sheet_names.Length; i++){StringUtil.WriteUnicodeString(out1, field_3_sheet_names[i]);}}else{int field2val = _isAddInFunctions ? TAG_ADD_IN_FUNCTIONS : TAG_INTERNAL_REFERENCES;out1.WriteShort(field2val);}}