private static void InitComplexContentExtension(XsdBuilder builder, string value)
{
if (builder._complexContent.Content != null)
{
builder.SendValidationEvent(SR.Sch_ComplexContentContentModel, "extension");
}
builder._xso = builder._complexContentExtension = new XmlSchemaComplexContentExtension();
builder._complexContent.Content = builder._complexContentExtension;
}