XmlSchemaComplexType complexType = (XmlSchemaComplexType)type;
if (complexType.getAttributes().getCount() != 0 || complexType.getAnyAttribute() != null) {
// No attributes
return null;
}
XmlSchemaParticle particle = complexType.getParticle();
if (particle == null) {
// No particle
return Collections.emptyList();
}
if (!(particle instanceof XmlSchemaSequence)) {