void ExportElementAccessors(XmlSchemaGroupBase group, ElementAccessor[] accessors, bool repeats, bool valueTypeOptional, string ns) {
if (accessors.Length == 0) return;
if (accessors.Length == 1) {
ExportElementAccessor(group, accessors[0], repeats, valueTypeOptional, ns);
}
else {
XmlSchemaChoice choice = new XmlSchemaChoice();
choice.MaxOccurs = repeats ? decimal.MaxValue : 1;
choice.MinOccurs = repeats ? 0 : 1;
for (int i = 0; i < accessors.Length; i++)
ExportElementAccessor(choice, accessors[i], false, valueTypeOptional, ns);
if (choice.Items.Count > 0) group.Items.Add(choice);
}
}