def get_role_config_group(resource_root, service_name, name,
    cluster_name="default"):
  """
  Find a role config group by name.
  @param resource_root: The root Resource object.
  @param service_name: Service name.
  @param name: Role config group name.
  @param cluster_name: Cluster name.
  @return: An ApiRoleConfigGroup object.
  """
  return _get_role_config_group(resource_root, _get_role_config_group_path(
      cluster_name, service_name, name))
Find a role config group by name.
  @param resource_root: The root Resource object.
  @param service_name: Service name.
  @param name: Role config group name.
  @param cluster_name: Cluster name.
  @return: An ApiRoleConfigGroup object.