attributeUses	: Deprecated; not used
    <a href="libxml-schemasInternals.html#xmlSchemaWildcardPtr">xmlSchemaWildcardPtr</a>	attributeWildcard
    int	builtInType	: Type of built-in types.
    <a href="libxml-schemasInternals.html#xmlSchemaTypeLinkPtr">xmlSchemaTypeLinkPtr</a>	memberTypes	: member-types if a union type.
    <a href="libxml-schemasInternals.html#xmlSchemaFacetLinkPtr">xmlSchemaFacetLinkPtr</a>	facetSet	: All facets (incl. inherited)
    const <a href="libxml-xmlstring.html#xmlChar">xml