actionWriterMap = new HashMap<ChangeAction, ActionChangeWriter>();
actionWriterMap.put(ChangeAction.Create, new ActionChangeWriter(changeWriter, ChangeAction.Create));
actionWriterMap.put(ChangeAction.Modify, new ActionChangeWriter(changeWriter, ChangeAction.Modify));
actionWriterMap.put(ChangeAction.Delete, new ActionChangeWriter(changeWriter, ChangeAction.Delete));
schemaVersionValidator = new SchemaVersionValidator(loginCredentials, preferences);
}