docs: @NotNull
      public Map<String, String> getXmpProperties()
      {
          Map<String, String> propertyValueByPath = new HashMap<String, String>();
  
          if (_xmpMeta != null)
          {
              try {
                  IteratorOptions options = new IteratorOptions().setJustLeafnodes(true);
                  for (Iterator i = _xmpMeta.iterator(options); i.hasNext(); ) {
                      XMPPropertyInfo prop = (XMPPropertyInfo)i.next();
                      String path = prop.getPath();
                      String value = prop.getValue();
                      if (path != null && value != null) {
                          propertyValueByPath.put(path, value);
                      }
                  }
              } catch (XMPException ignored) {
              }
          }
  
          return Collections.unmodifiableMap(propertyValueByPath);
      }