for (Profile profile : interpolatedActivations) {
            Activation activation = profile.getActivation();
            Optional<Activation> a = Optional.ofNullable(activation);
            a.map(Activation::getFile).ifPresent(fa -> {
                Interpolation nt =
                        new Interpolation(fa, s -> profileActivationFilePathInterpolator.interpolate(s, context));

                }
            }
        };
        Optional<Activation> root = Optional.of(activation);
        stk.push(new ActivationFrame("activation", root));
        root.map(Activation::getFile).ifPresent(fa -> {
            stk.push(new ActivationFrame("file", Optional.of(fa)));
            stk.push(new ActivationFrame("exists", Optional.empty()));
            validator.accept(fa.getExists());

java.io.IOException; public static void fileWrite(String, String) throws java.io.IOException; public static void fileDelete(String); public static boolean waitFor(String, int); public static boolean waitFor(java.io.File, int); public static java.io.File getFile(String); public static String[] getFilesFromExtensio(String, String[]); private static java.util.Vector blendFilesToVector(java.util.Vector, String[]); private static boolean isValidFile(String, String[]); public static void mkdir(String); public...