module yang-smi {

    yang-version 1;

    namespace
      "urn:ietf:params:xml:ns:yang:yang-smi";

    prefix smi;

    organization "YANG Language Design Team";

    contact
      "Martin Bjorklund (Editor) <mbj@tail-f.com>";

    description
      "This module contains extensions for dealing with 
         SMIv2 modules.";

    revision "2008-03-20" {
      description "Initial revision.";
    }


    extension oid {
      argument "oid" {
        yin-element false;
      }
      description
        "OBJECT IDENTIFIER value assigned to a particular node.";
    }

    extension display-hint {
      argument "hint" {
        yin-element false;
      }
      description
        "DISPLAY-HINT value provided in a TEXTUAL-CONVENTION macro.";
    }

    extension default {
      argument "default" {
        yin-element false;
      }
      description
        "DEFVAL value provided in an OBJECT-TYPE macro.";
    }
  }  // module yang-smi