<PackageReference Include="Newtonsoft.Json" Version="12.0.1" />

Newtonsoft.Json.Serialization.JsonContainerContract

public class JsonContainerContract : JsonContract
Contract details for a Type used by the JsonSerializer.
public JsonConverter ItemConverter { get; set; }

Gets or sets the default collection items JsonConverter.

public bool? ItemIsReference { get; set; }

Gets or sets a value indicating whether the collection items preserve object references.

public ReferenceLoopHandling? ItemReferenceLoopHandling { get; set; }

Gets or sets the collection item reference loop handling.

public TypeNameHandling? ItemTypeNameHandling { get; set; }

Gets or sets the collection item type name handling.