docs: public ApiResponse<OpportunitiesGroupResponse> getOpportunitiesGroupsGroupIdWithHttpInfo(Integer groupId,
              String acceptLanguage, String datasource, String ifNoneMatch, String language) throws ApiException {
          com.squareup.okhttp.Call call = getOpportunitiesGroupsGroupIdValidateBeforeCall(groupId, acceptLanguage,
                  datasource, ifNoneMatch, language, null);
          Type localVarReturnType = new TypeToken<OpportunitiesGroupResponse>() {
          }.getType();
          return apiClient.execute(call, localVarReturnType);
      }