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module network-pcep-topology-stats {
    yang-version 1;
    namespace "urn:opendaylight:params:xml:ns:yang:topology:pcep:stats";
    prefix npts;

    import network-topology { prefix nt; revision-date 2013-10-21; }
    import network-topology-pcep { prefix pn; revision-date 2022-07-30; }
    import yang-ext { prefix ext; revision-date 2013-07-09; }
    import pcep-session-stats { prefix pss; revision-date 2017-11-13; }

    description
        "This module contains the PCEP stats extensions to base topology model.
         Copyright (c)2017 AT&T Services, Inc. All rights reserved.;

         This program and the accompanying materials are made available
         under the terms of the Eclipse Public License v1.0 which
         accompanies this distribution, and is available at
         http://www.eclipse.org/legal/epl-v10.html";

    organization "AT&T Services, Inc.";
    contact "Claudio D. Gasparini <claudio.gasparini@pantheon.sk>";

    revision "2018-11-09" {
        description
            "P2MP extension.";
        reference "RFC8306";
    }

    revision "2017-11-13" {
        description
            "Initial revision.";
    }

    augment "/nt:network-topology/nt:topology/nt:node" {
        when "../nt:topology-types/pn:topology-pcep";
        ext:augment-identifier pcep-topology-node-stats-aug;
        description "Augment Pcep topology node with session stats";

        uses pss:pcep-session-state-grouping;
    }
}