Don't actually use the IConsoleProgram interface in code since it would require a huge number of casts and everything is inside Program anyway.

Mixins/Console/Console.cs

@@ -11,6 +11,9 @@ namespace IngameScript
 {
     // A Program that supports consoles by initializing a MyIni instance
     // and providing a public console for member objects to refer back to.
+    // If you're using this library it is highly advised that you implement this interface
+    // for a clean, consistent way to avoid errors.
+    //
     // (It is probably an anti-pattern that this lives outside of the Program class,
     // but we can't find a cleaner way to implement this.)
     public interface IConsoleProgram

Mixins/Sequencer/Sequencer.cs

@@ -18,7 +18,7 @@ namespace IngameScript
 
             private SortedDictionary<int, List<ISequenceable>> _sequence = new SortedDictionary<int, List<ISequenceable>>();
 
-            public Sequencer(IConsoleProgram program, string name)
+            public Sequencer(Program program, string name)
             {
                 Name = name;
                 _console = new PrefixedConsole(program.Console, Name);