     // playheadTime
     //----------------------------------
 
-    // TODO (chaase): This property should be in an interface, to
+    // FIXME (chaase): This property should be in an interface, to
     // allow it to be called easily through an interface instead of
     // having to import Effect just to call it
-    // TODO (chaase): This property should be in an interface, to
+    // FIXME (chaase): This property should be in an interface, to
     // allow it to be called easily through an interface instead of
     // having to import Effect just to call it. Maybe add to IEffect
     // since it's unlikely that anyone implements that interface


            // Revalidate after applying the start values, to get everything
            // back the way it should be before starting the animation
            // TODO (chaase): should we skip this step if the effect has asked
            // to disable layout while it runs? Otherwise we are about to validate
            // the targets in a layout that has potentially been set to a post-effect
            // value

        // If the effect is not yet playing, it should still be possible
        // to seek into it. playing and then pausing it provides that
        // capability
        // FIXME (chaase): Need better overall mechanism to seek into a
        // non-playing effect. The internals of seeking in Animation
        // are complicated and don't end up giving us the behavior we
        // want, especially for successive seeks.
