public ObjectData getObject(String repositoryId, String objectId, String filter, Boolean includeAllowableActions,
IncludeRelationships includeRelationships, String renditionFilter, Boolean includePolicyIds,
Boolean includeAcl, ExtensionsData extension) {
// build URL
UrlBuilder url = getObjectUrl(repositoryId, objectId, Constants.SELECTOR_OBJECT);
url.addParameter(Constants.PARAM_FILTER, filter);
url.addParameter(Constants.PARAM_ALLOWABLE_ACTIONS, includeAllowableActions);
url.addParameter(Constants.PARAM_RELATIONSHIPS, includeRelationships);
url.addParameter(Constants.PARAM_RENDITION_FILTER, renditionFilter);
url.addParameter(Constants.PARAM_POLICY_IDS, includePolicyIds);
url.addParameter(Constants.PARAM_ACL, includeAcl);