pub fn new() -> Self {
        Self {
            duplicate_fns: HashMap::new(),
        }
    }
/// Creates a new duplicate merger.
Creates a new duplicate merger.
Creates a new duplicate merger .
pub fn new() -> Self {
        Self {
            duplicate_fns: HashMap::new(),
        }
    }
pub fn new ( ) -> Self { Self { duplicate_fns : HashMap :: new ( ) , } }
Creates a new duplicate merger.
Creates a new duplicate merger .