code: public ServerUpdater addRoleToUser(User user, Role role) {
          delegate.addRoleToUser(user, role);
          return this;
      }
docs: Queues a role to be assigned to the user.
  
  @param user The server member the role should be added to.
  @param role The role which should be added to the server member.
  @return The current instance in order to chain call methods.