/// <summary>
/// Visits a single <see cref="PrtgNode"/> and produces a value of type <typeparamref name="TResult"/>.
/// </summary>
/// <param name="node">The node to visit.</param>
/// <returns>If the node was not null, the value produced by visiting it. Otherwise, the default value of <typeparamref name="TResult"/>.</returns>
public virtual TResult Visit(PrtgNode node)
{
if (node != null)
{
return(node.Accept(this));
}
return(default(TResult));
}