+#' nodes.ping is a method defined in Arvados class.
+#'
+#' @usage arv$nodes.ping(uuid, ping_secret)
+#' @param uuid
+#' @param ping_secret
+#' @return Node object.
+#' @name nodes.ping
+NULL
+
+#' nodes.list
+#'
+#' nodes.list is a method defined in Arvados class.
+#'
+#' @usage arv$nodes.list(filters = NULL,
+#' where = NULL, order = NULL, select = NULL,
+#' distinct = NULL, limit = "100", offset = "0",
+#' count = "exact")
+#' @param filters
+#' @param where
+#' @param order
+#' @param select
+#' @param distinct
+#' @param limit
+#' @param offset
+#' @param count
+#' @return NodeList object.
+#' @name nodes.list
+NULL
+
+#' links.get
+#'
+#' links.get is a method defined in Arvados class.
+#'
+#' @usage arv$links.get(uuid)
+#' @param uuid The UUID of the Link in question.
+#' @return Link object.
+#' @name links.get
+NULL
+
+#' links.create
+#'
+#' links.create is a method defined in Arvados class.
+#'
+#' @usage arv$links.create(link, ensure_unique_name = "false")
+#' @param link Link object.
+#' @param ensure_unique_name Adjust name to ensure uniqueness instead of returning an error on (owner_uuid, name) collision.
+#' @return Link object.
+#' @name links.create
+NULL
+
+#' links.update
+#'
+#' links.update is a method defined in Arvados class.
+#'
+#' @usage arv$links.update(link, uuid)
+#' @param link Link object.
+#' @param uuid The UUID of the Link in question.
+#' @return Link object.
+#' @name links.update
+NULL
+
+#' links.delete
+#'
+#' links.delete is a method defined in Arvados class.
+#'
+#' @usage arv$links.delete(uuid)
+#' @param uuid The UUID of the Link in question.
+#' @return Link object.
+#' @name links.delete
+NULL
+
+#' links.list
+#'
+#' links.list is a method defined in Arvados class.
+#'
+#' @usage arv$links.list(filters = NULL,
+#' where = NULL, order = NULL, select = NULL,
+#' distinct = NULL, limit = "100", offset = "0",
+#' count = "exact")
+#' @param filters
+#' @param where
+#' @param order
+#' @param select
+#' @param distinct
+#' @param limit
+#' @param offset
+#' @param count
+#' @return LinkList object.
+#' @name links.list
+NULL
+
+#' links.get_permissions
+#'
+#' links.get_permissions is a method defined in Arvados class.
+#'
+#' @usage arv$links.get_permissions(uuid)
+#' @param uuid
+#' @return Link object.
+#' @name links.get_permissions
+NULL
+
+#' keep_services.get
+#'
+#' keep_services.get is a method defined in Arvados class.
+#'
+#' @usage arv$keep_services.get(uuid)
+#' @param uuid The UUID of the KeepService in question.
+#' @return KeepService object.
+#' @name keep_services.get
+NULL
+
+#' keep_services.create
+#'
+#' keep_services.create is a method defined in Arvados class.
+#'
+#' @usage arv$keep_services.create(keepservice,
+#' ensure_unique_name = "false")
+#' @param keepService KeepService object.
+#' @param ensure_unique_name Adjust name to ensure uniqueness instead of returning an error on (owner_uuid, name) collision.
+#' @return KeepService object.
+#' @name keep_services.create
+NULL
+
+#' keep_services.update
+#'
+#' keep_services.update is a method defined in Arvados class.
+#'
+#' @usage arv$keep_services.update(keepservice,
+#' uuid)
+#' @param keepService KeepService object.
+#' @param uuid The UUID of the KeepService in question.
+#' @return KeepService object.
+#' @name keep_services.update
+NULL
+
+#' keep_services.delete
+#'
+#' keep_services.delete is a method defined in Arvados class.
+#'
+#' @usage arv$keep_services.delete(uuid)
+#' @param uuid The UUID of the KeepService in question.
+#' @return KeepService object.
+#' @name keep_services.delete
+NULL
+
+#' keep_services.accessible
+#'
+#' keep_services.accessible is a method defined in Arvados class.