module example-ietf-interfaces {
  yang-version 1.1;

  namespace "urn:ietf:params:xml:ns:yang:example-ietf-interfaces";

  prefix if;
  import ietf-yang-types {
    prefix yang;
  }

  container interfaces-state {
    config false;
    list interface {
      key "name";
      leaf name {
        type string;
      }
      container statistics {
        leaf in-broadcast-pkts {
          when "derived-from(if:type, 'ianaifp:multicast')" {
          }

          type yang:counter64;
        }
      }
    }
  }
}