ActiveStateDebugTree Class
Builds a visual representation of an IActiveState tree on a UI canvas, based on a provided root <cref="IActiveState" />.
Two different node layout types are provided, ActiveStateDebugTreeHorizontal (for a left-to-right representation) and ActiveStateDebugTreeVertical (for a more compact top to bottom tree view).
static void RegisterModel< TType >
override bool TryGetChildren 
