riversong-code-showcase/Source/Riversong/Game/World/WorldHeightmap.cs

using Unity.Collections;
using Unity.Mathematics;

namespace DanieleMarotta.RiversongCodeShowcase
{
    public class WorldHeightmap : NativeGrid<int>
    {
        public WorldHeightmap(int2 size) : base(size, Allocator.Persistent)
        {
        }
    }
}