docs: public void blockUser(Integer userId) throws GitLabApiException {
          if (userId == null) {
              throw new RuntimeException("userId cannot be null");
          }
  
          if (isApiVersion(ApiVersion.V3)) {
              put(Response.Status.CREATED, null, "users", userId, "block");
          } else {
              post(Response.Status.CREATED, (Form) null, "users", userId, "block");
          }
      }