import com.sun.xml.internal.xsom.impl.Ref; //导入依赖的package包/类
public BaseContentRef(final NGCCRuntimeEx $runtime, Ref.Type _baseType) {
    this.baseType = _baseType;
    $runtime.addPatcher(this);
    $runtime.addErrorChecker(new Patch() {
        public void run() throws SAXException {
            XSType t = baseType.getType();
            if (t.isComplexType() && t.asComplexType().getContentType().asParticle()!=null) {
                $runtime.reportError(
                    Messages.format(Messages.ERR_SIMPLE_CONTENT_EXPECTED,
                        t.getTargetNamespace(), t.getName()), loc);
            }
        }
    });
    this.loc = $runtime.copyLocator();
}
 

import com.sun.xml.internal.xsom.impl.Ref; //导入依赖的package包/类
public SubstGroupBaseTypeRef( Ref.Element _e ) {
    this.e = _e;
}