@Override
  public ParserDescription getParserDescription() {
    return parserDescription;
  }
Parser of log in json format. It can skip if between json object are some junk (from standard output). From properties
are taken mappings from Json ~xpath to LogData fields. For example if Json field logMessage contains information about
message, it should be written as message=logMessage
olv-core/src/main/java/pl/otros/logview/parser/json/log4j2/Log4j2JsonLogParser.java