public override void GenerateChunk(Span target, ChunkGeneratorContext context)
 {
     var modelChunk = new ModelChunk(ModelType);
     context.ChunkTreeBuilder.AddChunk(modelChunk, target, topLevel: true);
 }
 private void Visit(ModelChunk chunk)
 {
     Debug.Assert(chunk != null);
     _modelChunk = chunk;
 }