/// <summary>
/// Accepts the specified visitor by calling its Visit method.
/// </summary>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="visitor">The visitor.</param>
/// <returns>Visitor-specific value.</returns>
public override TValue Accept <TValue>(IDataTypeVisitor <TValue> visitor)
{
return(visitor.Visit(this));
}