<PackageReference Include="Relativity.Server.Services.Interfaces.SDK" Version="5000.0.2" />

Relativity.Services.Interfaces.Field.Models.OverlayBehavior

public enum OverlayBehavior
Defines how Relativity handles multiple choice or multiple object fields when importing a load file.

Merge Values merges previous values with load file values.

Replace Values removes previous values and replaces them with the values in the load file.