docs: @Deprecated
      public Membership createMembershipForGroup(int projectId, int itemId, Collection<Role> roles) throws RedmineException {
          Project project = new Project(transport).setId(projectId);
  
          Membership membership = new Membership(transport)
                  .setProject(project)
                  .setUserId(itemId)
                  .addRoles(roles);
  
          return addMembership(membership);
      }