module foo {
    yang-version 1;
    namespace "foo";
    prefix foo;

    revision 2016-05-17 {
        description "test";
    }

    container task-container {
        list task {
            key "task-id";
            unique "my-leaf-1 my-leaf-2";
            unique "my-leaf-1 my-container/my-leaf-3";

            leaf task-id {
                type string;
            }
            leaf my-leaf-1 {
                type string;
            }
            leaf my-leaf-2 {
                type string;
            }
            container my-container {
                leaf my-leaf-3 {
                    type string;
                }
            }
        }
    }

    list inside-list {
        list inner {
            leaf inner-leaf {
                type string;
            }
        }

        unique "inner/inner-leaf";
    }

    list cross-list {
        key "k";
        leaf k {
            type string;
        }
        list one {
            key "one";
            leaf one {
                type string;
            }
            leaf one-leaf {
                type string;
            }
        }

        list two {
            key "two";
            leaf two {
                type string;
            }
            leaf two-leaf {
                type string;
            }
        }

        unique "one/one-leaf two/two-leaf";
    }

    list nested-list {
        list one {
            list two {
                leaf two-leaf {
                    type string;
                }
            }
        }

        unique "one/two/two-leaf";
    }
}