context FEATURE public API for parsing schemas
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+module ietf-datastores {
+  yang-version 1.1;
+  namespace "urn:ietf:params:xml:ns:yang:ietf-datastores";
+  prefix ds;
+
+  organization
+    "IETF Network Modeling (NETMOD) Working Group";
+
+  contact
+    "WG Web:   <https://datatracker.ietf.org/wg/netmod/>
+
+     WG List:  <mailto:netmod@ietf.org>
+
+     Author:   Martin Bjorklund
+               <mailto:mbj@tail-f.com>
+
+     Author:   Juergen Schoenwaelder
+               <mailto:j.schoenwaelder@jacobs-university.de>
+
+     Author:   Phil Shafer
+               <mailto:phil@juniper.net>
+
+     Author:   Kent Watsen
+               <mailto:kwatsen@juniper.net>
+
+     Author:   Rob Wilton
+               <rwilton@cisco.com>";
+
+  description
+    "This YANG module defines two sets of identities for datastores.
+     The first identifies the datastores themselves, the second
+     identifies datastore properties.
+
+     Copyright (c) 2017 IETF Trust and the persons identified as
+     authors of the code.  All rights reserved.
+
+     Redistribution and use in source and binary forms, with or
+     without modification, is permitted pursuant to, and subject to
+     the license terms contained in, the Simplified BSD License set
+     forth in Section 4.c of the IETF Trust's Legal Provisions
+     Relating to IETF Documents
+     (http://trustee.ietf.org/license-info).
+
+     This version of this YANG module is part of RFC XXXX
+     (http://www.rfc-editor.org/info/rfcxxxx); see the RFC itself
+     for full legal notices.";
+
+  revision 2017-08-17 {
+    description
+      "Initial revision.";
+    reference
+      "RFC XXXX: Network Management Datastore Architecture";
+  }
+
+  /*
+   * Identities
+   */
+
+  identity datastore {
+    description
+     "Abstract base identity for datastore identities.";
+  }
+
+  identity conventional {
+    base datastore;
+    description
+     "Abstract base identity for conventional configuration
+      datastores.";
+  }
+
+  identity running {
+    base conventional;
+    description
+     "The running configuration datastore.";
+  }
+
+  identity candidate {
+    base conventional;
+    description
+     "The candidate configuration datastore.";
+  }
+
+  identity startup {
+    base conventional;
+    description
+     "The startup configuration datastore.";
+  }
+
+  identity intended {
+    base conventional;
+    description
+     "The intended configuration datastore.";
+  }
+
+  identity dynamic {
+    base datastore;
+    description
+     "Abstract base identity for dynamic configuration datastores.";
+  }
+
+  identity operational {
+    base datastore;
+    description
+     "The operational state datastore.";
+  }
+
+  /*
+   * Type definitions
+   */
+
+  typedef datastore-ref {
+    type identityref {
+      base datastore;
+    }
+    description
+      "A datastore identity reference.";
+  }
+
+}