<SerializableAttribute> _
Public Structure SqlGuid
    Implements INullable, IComparable, IXmlSerializable

Dim instance As SqlGuid

[SerializableAttribute] 
public struct SqlGuid : INullable, IComparable, IXmlSerializable

[SerializableAttribute] 
public value class SqlGuid : INullable, IComparable, IXmlSerializable

/** @attribute SerializableAttribute() */ 
public final class SqlGuid extends ValueType implements INullable, IComparable, 
    IXmlSerializable

JScript suports the use of structures, but not the declaration of new ones.