module mod3 {

    prefix pref;

    namespace "urn:cesnet:mod3";

    typedef my_true {

        type instance-identifier {

            require-instance "true";

        }

    }

    container instance {

        leaf-list llist1 {

            type my_true;

        }

        leaf-list llist2 {

            type my_true {

                require-instance "false";

            }

        }

    }

    container cont {

        presence "enable";

        leaf l1 {

            type boolean;

        }

    }

    list list {

        key "key1 key2";

        leaf key1 {

            type string;

        }

        leaf key2 {

            type uint8;

        }

        leaf port {

            type uint16;

        }

    }

    container ccc {

        leaf-list llist {

            type enumeration {

                enum zero;

                enum one;

                enum two;

                enum unknown {

                    value -1;

                }

            }

        }

        list state {

            config false;

            leaf keys {

                type string;

            }

            container cont {

                leaf-list llist {

                    type int8;

                }

            }

        }

        list list {

            key keys;

            leaf keys {

                type string;

            }

            container cont {

                leaf-list llist {

                    type int8;

                }

            }

        }

    }

}