code: def get_role_config_group(resource_root, service_name, name,
      cluster_name="default"):
    
    return _get_role_config_group(resource_root, _get_role_config_group_path(
        cluster_name, service_name, name))
docs: 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.