submodule child-module {

    belongs-to "root-module" {
        prefix "root";
    }

    typedef new-string-type {
        type string {
            pattern "[abc]{3}";
        }
    }

    typedef new-int32-type {
        type int32 {
            range "1..4 | 10..20";
         }
    }

    feature new-feature1 {
        description "a new feature";
    }

    feature new-feature2 {
        description "another new feature";
    }

    container parent-container {
        container child-container {
            leaf autumn-leaf {
                type string;
            }
            leaf winter-snow {
                type string;
            }
        }
    }

}