Capabilities
This mandatory container holds the RESTCONF protocol capability URIs supported by the server. The server may maintain a last-modified timestamp for this container and return the "Last-Modified" header field when this data node is retrieved with the GET or HEAD methods. Note that the last-modified timestamp for the datastore resource is not affected by changes to this subtree.
The server maintains an entity-tag for this container and returns the "ETag" header field when this data node is retrieved with the GET or HEAD methods. Note that the entity-tag for the datastore resource is not affected by changes to this subtree. The server must include a "capability" URI leaf-list entry for the "defaults" mode used by the server.
The server must include a "capability" URI leaf-list entry identifying each supported optional protocol feature. This entry includes optional query parameters and may include other capability URIs (not defined in this document).
