}
    }

    class DefaultCharacterEncoding implements Option {
        String value

        DefaultCharacterEncoding(String value) {
            this.value = value
        }

        @Override
        String getDsl() {
            return "defaultCharacterEncoding  = '${value}'"
        }

        @Override
        void verify(Map processEnv) {

        JvmOptions opts = createOpts()
        when:
        opts.defaultCharacterEncoding = "ISO-8859-1"
        then:
        opts.allJvmArgs.contains("-Dfile.encoding=ISO-8859-1");
    }

    def "uses system default file encoding when null is used"() {
        JvmOptions opts = createOpts()
        when:
        opts.defaultCharacterEncoding = null
        then:

        if (executerType == Executer.embedded && !Charset.forName(defaultCharacterEncoding).equals(Charset.defaultCharset())) {
            // need to fork to apply the new default character encoding
            requireDaemon().requireIsolatedDaemons();
        }
        return super.withDefaultCharacterEncoding(defaultCharacterEncoding);
    }

    @Override

        return getDelegate().getDefaultCharacterEncoding();
    }

    @Override
    default void setDefaultCharacterEncoding(@Nullable String defaultCharacterEncoding) {
        getDelegate().setDefaultCharacterEncoding(defaultCharacterEncoding);
    }

    @Nullable
    @Override
    default String getMinHeapSize() {
        return getDelegate().getMinHeapSize();
    }

    @Override

    @Override
    public GradleExecuter withDefaultCharacterEncoding(String defaultCharacterEncoding) {
        this.defaultCharacterEncoding = defaultCharacterEncoding;
        return this;
    }

    public String getDefaultCharacterEncoding() {
        return defaultCharacterEncoding == null ? Charset.defaultCharset().name() : defaultCharacterEncoding;
    }

    @Override

        return options.getDefaultCharacterEncoding();
    }

    @Override
    public void setDefaultCharacterEncoding(String defaultCharacterEncoding) {
        options.setDefaultCharacterEncoding(defaultCharacterEncoding);
    }

    @Override
    public boolean getEnableAssertions() {
        return options.getEnableAssertions();
    }

    @Override

        return immutableSystemProperties.get(FILE_ENCODING_KEY).toString();
    }

    public void setDefaultCharacterEncoding(String defaultCharacterEncoding) {
        immutableSystemProperties.put(FILE_ENCODING_KEY, GUtil.isTrue(defaultCharacterEncoding) ? defaultCharacterEncoding : Charset.defaultCharset().name());
    }

    public boolean getEnableAssertions() {
        return assertionsEnabled;
    }

        return javaOptions.getDefaultCharacterEncoding();
    }

    @Override
    public void setDefaultCharacterEncoding(String defaultCharacterEncoding) {
        javaOptions.setDefaultCharacterEncoding(defaultCharacterEncoding);
    }

    @Override
    public String getMaxHeapSize() {
        return javaOptions.getMaxHeapSize();
    }

    @Override

    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setDefaultCharacterEncoding(String defaultCharacterEncoding) {
        javaExecSpec.setDefaultCharacterEncoding(defaultCharacterEncoding);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getMaxHeapSize() {
        return javaExecSpec.getMaxHeapSize();
    }

     *
     * @param defaultCharacterEncoding The default character encoding. Use null to use {@link java.nio.charset.Charset#defaultCharset() this JVM's default charset}
     */
     void setDefaultCharacterEncoding(@Nullable String defaultCharacterEncoding);

    /**
     * Returns the minimum heap size for the process, if any.
     *