<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />

Newtonsoft.Json.Schema.JsonSchemaNodeCollection

namespace Newtonsoft.Json.Schema { [Obsolete("JSON Schema validation has been moved to its own package. See https://www.newtonsoft.com/jsonschema for more details.")] public delegate void ValidationEventHandler (object sender, ValidationEventArgs e); } namespace Newtonsoft.Json.Schema { internal class JsonSchemaNodeCollection : KeyedCollection<string, JsonSchemaNode> { public JsonSchemaNodeCollection(); } }