}

    @Test
    void testEquals() {
        ToolchainModel tm1 = new ToolchainModel();
        tm1.setType("jdk");
        tm1.addProvide("version", "1.5");
        tm1.addProvide("vendor", "sun");
        Xpp3Dom configuration1 = new Xpp3Dom("configuration");
        Xpp3Dom jdkHome1 = new Xpp3Dom("jdkHome");
        jdkHome1.setValue("${env.JAVA_HOME}");
        configuration1.addChild(jdkHome1);

            }
        }

        private boolean isQualifiedForInterpolation(Class<?> cls) {
            return !cls.getPackage().getName().startsWith("java")
                    && !cls.getPackage().getName().startsWith("sun.nio.fs");
        }

        private boolean isQualifiedForInterpolation(Field field, Class<?> fieldType) {
            if (!PRIMITIVE_BY_CLASS.containsKey(fieldType)) {

        } catch (IOException e) {
            String msg = e.getMessage();
            if (msg == null || msg.isEmpty()) {
                // NOTE: There's java.nio.charset.MalformedInputException and sun.io.MalformedInputException
                if (e.getClass().getName().endsWith("MalformedInputException")) {
                    msg = "Some input bytes do not match the file encoding.";
                } else {