code: private void setFieldsWithTreePath(Properties props, String treePath) {
          setFieldsWithPrefix(props, "");
          String[] splitArray = treePath.split("/");
          String prefix = null;
          for (String split : splitArray) {
              if (!"".equals(split)) {
                  if (null == prefix) {
                      prefix = split + ".";
                  } else {
                      prefix += split + ".";
                  }
                  setFieldsWithPrefix(props, prefix);
              }
          }
      }
docs: passing "/foo/bar" as treePath will result:<br>
  1. load [twitter4j.]restBaseURL<br>
  2. override the value with foo.[twitter4j.]restBaseURL<br>
  3. override the value with foo.bar.[twitter4j.]restBaseURL<br>
  
  @param props    properties to be loaded
  @param treePath the path