public void GraphProviders()
{
Iori input = null;
IPipe <Iori, Stream> file = null;
IPipe <Stream, IThingGraph> thingGraphProvider = null;
IPipe <IThingGraph, IGraphScene <IVisual, IVisualEdge> > sceneProvider = null;
var scene = sceneProvider.Use(thingGraphProvider.Use(file.Use(input)));
}