public delegate void ForEachWithEntity<T0, T1, T2, T3, T4, T5, T6, T7>(Entity entity, ref T0 component0, ref T1 component1, ref T2 component2, ref T3 component3, ref T4 component4, ref T5 component5, ref T6 component6, ref T7 component7) where T0 : unmanaged, IComponent where T1 : unmanaged, IComponent where T2 : unmanaged, IComponent where T3 : unmanaged, IComponent where T4 : unmanaged, IComponent where T5 : unmanaged, IComponent where T6 : unmanaged, IComponent where T7 : unmanaged, IComponent