/// <summary>
/// Performs an "intersection" of the two SerializableLists, where only the elements
/// that are present in both SerializableLists remain. That is, the element is included if it exists in
/// both SerializableLists. The <c>Intersect()</c> operation does not modify the input SerializableLists. It returns
/// a <c>Clone()</c> of this SerializableList with the appropriate elements removed.
/// </summary>
/// <param name="a">A SerializableList of elements.</param>
/// <returns>The intersection of this SerializableList with <c>a</c>.</returns>
public virtual SerializableList <T> Intersect(SerializableList <T> a)
{
SerializableList <T> resultSerializableList = (SerializableList <T>) this.Clone();
if (a != null)
{
resultSerializableList.RetainAll(a);
}
else
{
resultSerializableList.Clear();
}
return(resultSerializableList);
}
