/**
     * Executes the given task in the common ForkJoinPool.
     *
     * @param task
     *            the task to execute
     */
    public static void execute(final Runnable task) {
        ForkJoinPool.commonPool().execute(() -> {
            final Thread currentThread = Thread.currentThread();
            final ClassLoader orignal = currentThread.getContextClassLoader();

                    commonRoot = commonRoot.getParent();
                    if (commonRoot == null) {
                        break;
                    }
                }
            }
        }
        return commonRoot;
    }

    /**
     * Writes a Document to a file using the same format as the existing codebase.
     */