module mod6 {

    prefix abc;

    namespace "urn:cesnet:mod6";

    import mod {

        prefix mod;

    }

    grouping server {

        list server {

            key "name";

            unique "ip port";

            leaf name {

                type string;

            }

            leaf ip {

                type string {

                    pattern '[0-9\.]*';

                }

            }

            leaf port {

                type uint16;

            }

        }

    }

    container cont {

        choice ch1 {

            case ca {

                anyxml anyxml1;

                description "test description";

                reference "test reference";

                anyxml anyxml2;

                if-feature mod:f1;

                uses mod:login;

                uses server;

                leaf enabled {

                    type boolean;

                }

            }

            case cb {

                reference "test reference";

                leaf-list name { type string; }

                container presence {

                    presence "enable";

                }

                list ll4 {

                    key "bb";

                    leaf bb {

                        type uint32;

                    }

                }

            }

            case cc {

                choice ch2 {

                    container ssh_login {

                        uses mod:login;

                    }

                }

                if-feature f2;

            }

            leaf-list test { type string; }

        }

    }

    feature f2;

}