dreams.cs

[Node]
public class Foo
{
  private readonly FooDto _dto;
  
  public Foo(FooDto dto)
    => _dto = dto;

  // Optional attribute - this is as an alternative to use `[Node(IdField = "Id")]` - and not needed when the field is called "Id".
  // I just think this is a better discovery mechanism than Setting an `IdField`. It's also more similar to thinks like `[Key]` etc.
  [NodeId] 
  public ComplexId Id => _dtl.Id;
  
  // ...
}

// gets registered with the DI container
public class FooResolver 
  : INodeResolver<ComplexId, Foo>
{
  public bool TryResolve(CompledId id, [NotNullWhen(true)] Foo? value)
  {
    // impl
  }
}