}
    }

    class DefaultCharacterEncoding implements Option {
        String value

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

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

        @Override
        void verify(Map processEnv) {

        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

        return options.getDefaultCharacterEncoding();
    }

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

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

    @Override

     *
     * @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.
     *

        optionsVerifier.with {
            minHeap("128m")
            maxHeap("128m")
            systemProperty("foo", "bar")
            jvmArgs("-Dbar=baz")
            defaultCharacterEncoding("UTF-8")
            enableAssertions()
            environmentVariable("foo", "bar")
            if (isOracleJDK) {
                bootstrapClasspath(normaliseFileSeparators(systemSpecificAbsolutePath('foo')))

        builder.jvmArgs("jvm1", "jvm2")
        builder.classpath(jar1, jar2)
        builder.systemProperty("prop", "value")
        builder.minHeapSize = "64m"
        builder.maxHeapSize = "1g"
        builder.defaultCharacterEncoding = inputEncoding

        when:
        List jvmArgs = builder.getAllJvmArgs()

        then: