module junos-common-ddl-extensions {

    yang-version 1;

    namespace
      "http://yang.juniper.net/junos/common/ddl-extensions";

    prefix junos;

    organization "Juniper Networks, Inc.";

    contact "yang-support@juniper.net";

    description
      "This module contains definitions for Junos YANG extensions.";

    revision "2019-01-01" {
      description "Junos: 21.3R1.9";
    }


    extension must {
      argument "stmt-algebra" {
        yin-element false;
      }
      description
        "
expression of configuration-statement paths having special
keywords like any, all, unique";
    }

    extension must-message {
      argument "message-string" {
        yin-element false;
      }
      description
        "
When specifying the junos:must constraint, a must-message should
also be specified so that when the contraint is not met,the
warning message informs users what the constraints are.

If the must-message is missing, the input file will compile,
but the warning message will say (null) which won't be
helpful for users to fix the problem";
    }

    extension posix-pattern {
      argument "value" {
        yin-element false;
      }
      description
        "
expression of pattern in posix format";
    }

    extension pattern-message {
      argument "value" {
        yin-element false;
      }
      description
        "
Error message in case of mismatch";
    }

    extension command {
      argument "command" {
        yin-element false;
      }
      description
        "
The junos cli command for this rpc";
    }

    extension action-execute {
      description
        "
The junos action execute for rpc";
    }

    extension script {
      argument "script" {
        yin-element false;
      }
      description
        "
The junos action execute script for rpc";
    }

    extension trans-script {
      argument "value" {
        yin-element false;
      }
      description
        "
List of space seperated tranlsation scripts invoked by
associated hierarchy";
    }
  }  // module junos-common-ddl-extensions