docs: public static void findSomeStringProperties(ApiConnection connection)
  			throws MediaWikiApiErrorException, IOException {
  		WikibaseDataFetcher wbdf = new WikibaseDataFetcher(connection, siteIri);
  		wbdf.getFilter().excludeAllProperties();
  		wbdf.getFilter().setLanguageFilter(Collections.singleton("en"));
  
  		ArrayList<PropertyIdValue> stringProperties = new ArrayList<>();
  
  		System.out
  				.println("*** Trying to find string properties for the example ... ");
  		int propertyNumber = 1;
  		while (stringProperties.size() < 5) {
  			ArrayList<String> fetchProperties = new ArrayList<>();
  			for (int i = propertyNumber; i < propertyNumber + 10; i++) {
  				fetchProperties.add("P" + i);
  			}
  			propertyNumber += 10;
  			Map<String, EntityDocument> results = wbdf
  					.getEntityDocuments(fetchProperties);
  			for (EntityDocument ed : results.values()) {
  				PropertyDocument pd = (PropertyDocument) ed;
  				if (DatatypeIdValue.DT_STRING.equals(pd.getDatatype().getIri())
  						&& pd.getLabels().containsKey("en")) {
  					stringProperties.add(pd.getEntityId());
  					System.out.println("* Found string property "
  							+ pd.getEntityId().getId() + " ("
  							+ pd.getLabels().get("en") + ")");
  				}
  			}
  		}
  
  		stringProperty1 = stringProperties.get(0);
  		stringProperty2 = stringProperties.get(1);
  		stringProperty3 = stringProperties.get(2);
  		stringProperty4 = stringProperties.get(3);
  		stringProperty5 = stringProperties.get(4);
  
  		System.out.println("*** Done.");
  	}