Retrieve position amounts

    /// Calculate the position's amount_a/amount_b
    /// Params
    ///     - `pool` The clmm pool object.
    ///     - `position_id` The object id of position's NFT.
    /// Returns
    ///     - `amount_a` The amount of `CoinTypeA`
    ///     - `amount_b` The amount of `CoinTypeB`
    public fun get_position_amounts<CoinTypeA, CoinTypeB>(
        _pool: &mut Pool<CoinTypeA, CoinTypeB>,
        _position_id: ID,
    ): (u64, u64) {
        abort 0
    }