```\ngraph BT;\n classDef nogap fill:#f96;\n classDef hasgap fill:#99cc00;\n    MetaStable2TokenAuraVault-->MetaStable2TokenVaultMixin:::nogap\n    MetaStable2TokenVaultMixin:::nogap-->TwoTokenPoolMixin:::nogap\n    MetaStable2TokenVaultMixin:::nogap-->BalancerOracleMixin:::nogap\n    TwoTokenPoolMixin:::nogap-->PoolMixin:::nogap\n    PoolMixin:::nogap-->AuraStakingMixin:::nogap\n    PoolMixin:::nogap-->BalancerStrategyBase;\n    BalancerStrategyBase:::hasgap-->BaseStrategyVault:::hasgap\n    BalancerStrategyBase:::hasgap-->UUPSUpgradeable\n```\n