code: @Nonnull
    public static ESuccess writeToFile (@Nonnull final IMicroNode aNode, @Nonnull final Path aPath)
    {
      return writeToFile (aNode, aPath, XMLWriterSettings.DEFAULT_XML_SETTINGS);
    }
docs: Write a Micro Node to a file using the default settings.
  
  @param aNode
  The node to be serialized. May be any kind of node (incl.
  documents). May not be <code>null</code>.
  @param aPath
  The file to write to. May not be <code>null</code>.
  @return {@link ESuccess}