import com.sun.org.apache.xerces.internal.impl.xs.util.ShortListImpl; //导入依赖的package包/类
private ShortList convertToPrimitiveKind(ShortList itemValueType) {
    if (itemValueType != null) {
        int i;
        final int length = itemValueType.getLength();
        for (i = 0; i < length; ++i) {
            short type = itemValueType.item(i);
            if (type != convertToPrimitiveKind(type)) {
                break;
            }
        }
        if (i != length) {
            final short [] arr = new short[length];
            for (int j = 0; j < i; ++j) {
                arr[j] = itemValueType.item(j);
            }
            for(; i < length; ++i) {
                arr[i] = convertToPrimitiveKind(itemValueType.item(i));
            }
            return new ShortListImpl(arr, arr.length);
        }
    }
    return itemValueType;
}
 

import com.sun.org.apache.xerces.internal.impl.xs.util.ShortListImpl; //导入依赖的package包/类
public ShortList getListValueTypes() {
    return itemValueTypes == null ? ShortListImpl.EMPTY_LIST : itemValueTypes;
}