fn new() -> Self {
        Self {
            name_scheme_map: BTreeMap::new(),
            next_scheme_id: 1,
        }
    }
/// Creates a new scheme container.
Creates a new scheme container.
Creates a new scheme container .
fn new() -> Self {
        Self {
            name_scheme_map: BTreeMap::new(),
            next_scheme_id: 1,
        }
    }
fn new ( ) -> Self { Self { name_scheme_map : BTreeMap :: new ( ) , next_scheme_id : 1 , } }
Creates a new scheme container.
Creates a new scheme container .