TrackableT Class

public class Trackable<T> : ITrackable, IChangeTracking

Public Class Trackable(Of T)
	Implements ITrackable, IChangeTracking

generic<typename T>
public ref class Trackable : ITrackable, 
	IChangeTracking

type Trackable<'T> = 
    class
        interface ITrackable
        interface IChangeTracking
    end

JavaScript does not support generic types or methods.

public class MyClass
{
    private Trackable<string> m_trackableText = new Trackable<string>(nameof(Text), true);

    public string Text
    {
        get
        {
            return m_trackableText.CurrentValue;
        }
        set
        {
            m_trackableText.CurrentValue = value;
        }
    }
}