Spatial chunks kept as separate transferable buffers, one per root voxel.
Number of leaf voxels without a scene geometry intersection.
World-space voxel size for every resolution level, ordered from largest to smallest.
World-space AABB covered by all root chunks: [minX, minY, minZ, maxX, maxY, maxZ].
World-space minimum corner shared by every integer voxel coordinate: [x, y, z].
Number of leaf voxels intersecting scene geometry.
Serialized format version.
Total leaf voxel count across all chunks.
Complete serialized voxel grid: SerializedVoxelGridMetadata plus its spatial chunks.