docs: protected void fixIntegerPrecisions(ItemIdValue itemIdValue,
  			String propertyId) {
  
  		String qid = itemIdValue.getId();
  
  		try {
  			// Fetch the online version of the item to make sure we edit the
  			// current version:
  			ItemDocument currentItemDocument = (ItemDocument) dataFetcher
  					.getEntityDocument(qid);
  			if (currentItemDocument == null) {
  				System.out.println("*** " + qid
  						+ " could not be fetched. Maybe it has been deleted.");
  				return;
  			}
  
  			// Get the current statements for the property we want to fix:
  			StatementGroup editPropertyStatements = currentItemDocument
  					.findStatementGroup(propertyId);
  			if (editPropertyStatements == null) {
  				System.out.println("*** " + qid
  						+ " no longer has any statements for " + propertyId);
  				return;
  			}
  
  			PropertyIdValue property = Datamodel
  					.makeWikidataPropertyIdValue(propertyId);
  			List<Statement> updateStatements = new ArrayList<>();
  			for (Statement s : editPropertyStatements) {
  				QuantityValue qv = (QuantityValue) s.getValue();
  				if (qv != null && isPlusMinusOneValue(qv)) {
  					QuantityValue exactValue = Datamodel.makeQuantityValue(
  							qv.getNumericValue(), qv.getNumericValue(),
  							qv.getNumericValue());
  					Statement exactStatement = StatementBuilder
  							.forSubjectAndProperty(itemIdValue, property)
  							.withValue(exactValue).withId(s.getStatementId())
  							.withQualifiers(s.getQualifiers())
  							.withReferences(s.getReferences())
  							.withRank(s.getRank()).build();
  					updateStatements.add(exactStatement);
  				}
  			}
  
  			if (updateStatements.size() == 0) {
  				System.out.println("*** " + qid + " quantity values for "
  						+ propertyId + " already fixed");
  				return;
  			}
  
  			logEntityModification(currentItemDocument.getEntityId(),
  					updateStatements, propertyId);
  
  			dataEditor.updateStatements(currentItemDocument, updateStatements,
  					Collections.<Statement> emptyList(),
  					"Set exact values for [[Property:" + propertyId + "|"
  							+ propertyId + "]] integer quantities (Task MB2)");
  
  		} catch (MediaWikiApiErrorException e) {
  			e.printStackTrace();
  		} catch (IOException e) {
  			e.printStackTrace();
  		}
  	}