docs: protected void logEntityModification(EntityIdValue entityId,
  			List<Statement> updateStatements, String propertyId) {
  		modifiedEntities++;
  		modifiedStatements += updateStatements.size();
  		modifiedStatementsByProperty.put(
  				propertyId,
  				modifiedStatementsByProperty.get(propertyId)
  						+ updateStatements.size());
  
  		System.out.println(entityId.getId() + ": fixing "
  				+ updateStatements.size() + " statement(s) for " + propertyId
  				+ " (" + modifiedEntities + " entities modified so far)");
  
  		this.logfile.println("\n==" + entityId.getId() + "==\n"
  				+ updateStatements.toString());
  
  		if (modifiedEntities % 10 == 0) {
  			this.logfile.flush();
  			System.out.println("### " + modifiedStatements
  					+ " statements modified so far: "
  					+ modifiedStatementsByProperty.toString());
  		}
  	}