xNode/Scripts/SceneGraph.cs

using UnityEngine;

/// <summary> Lets you instantiate a node graph in the scene. This allows you to reference in-scene objects. </summary>
public class SceneGraph : MonoBehaviour {
    public NodeGraph graph;
}

/// <summary> Derive from this class to create a SceneGraph with a specific graph type. </summary>
/// <example>
/// <code>
/// public class MySceneGraph : SceneGraph<MyGraph> {
/// 	
/// }
/// </code>
/// </example>
public class SceneGraph<T> : SceneGraph where T : NodeGraph {
    public new T graph { get { return base.graph as T; } set { base.graph = value; } }
}