docs: protected RdfSerializer createRdfSerializer() throws IOException {
  
  		String outputDestinationFinal;
  		if (this.outputDestination != null) {
  			outputDestinationFinal = this.outputDestination;
  		} else {
  			outputDestinationFinal = "{PROJECT}" + this.taskName + "{DATE}"
  					+ ".nt";
  		}
  
  		OutputStream exportOutputStream = getOutputStream(this.useStdOut,
  				insertDumpInformation(outputDestinationFinal),
  				this.compressionType);
  
  		RdfSerializer serializer = new RdfSerializer(RDFFormat.NTRIPLES,
  				exportOutputStream, this.sites,
  				PropertyRegister.getWikidataPropertyRegister());
  		serializer.setTasks(this.tasks);
  
  		return serializer;
  	}