/// <summary>
/// Locates the prefix of the given namespace.
/// </summary>
/// <param name="namespaceUri">The url of the namespace.</param>
/// <returns>
/// The prefix or null, if the namespace could not be found.
/// </returns>
protected sealed override String LocatePrefix(String namespaceUri)
{
return(ElementExtensions.LocatePrefix(this, namespaceUri));
}
/// <summary>
/// Locates the namespace of the given prefix.
/// </summary>
/// <param name="prefix">The prefix of the namespace to find.</param>
/// <returns>
/// The url of the namespace or null, if the prefix could not be found.
/// </returns>
protected sealed override String LocateNamespace(String prefix)
{
return(ElementExtensions.LocateNamespace(this, prefix));
}