currentImplementation, currentAdditionalImplementations,
            executable);

        // Capture non-file input changes
        ChangeContainer inputPropertyChanges = new PropertyChanges(
            lastExecution.getInputProperties().keySet(),
            thisExecution.getInputProperties().keySet(),
            "Input",
            executable);

            observableActionList.addPropertyChangeListener(new PropertyChangeListener() {
                @Override
                public void propertyChange(PropertyChangeEvent evt) {
                    taskMutator.assertMutable("Task.getActions()", evt);
                }
            });
        }
        return Cast.uncheckedNonnullCast(observableActionList);