this.forkOptions.setEnvironment(sanitizeEnvironment(forkOptions));
    }

    /**
     * Inherit as little as possible from the parent process' environment.
     *
     * On Unix systems we need to pass a few environment variables to make sure
     * the file system is accessed with the right encoding.
     */
    private static Map<String, Object> sanitizeEnvironment(JavaForkOptions forkOptions) {