code: public List<CmsUser> getUsersOfGroup(
          CmsDbContext dbc,
          String groupname,
          boolean includeOtherOuUsers,
          boolean directUsersOnly,
          boolean readRoles)
      throws CmsException {
  
          return internalUsersOfGroup(
              dbc,
              CmsOrganizationalUnit.getParentFqn(groupname),
              groupname,
              includeOtherOuUsers,
              directUsersOnly,
              readRoles);
      }
docs: Returns a list of users in a group.<p>
  
  @param dbc the current database context
  @param groupname the name of the group to list users from
  @param includeOtherOuUsers include users of other organizational units
  @param directUsersOnly if set only the direct assigned users will be returned,
  if not also indirect users, ie. members of parent roles,
  this parameter only works with roles
  @param readRoles if to read roles or groups
  
  @return all <code>{@link CmsUser}</code> objects in the group
  
  @throws CmsException if operation was not successful