Newtonsoft.Json.Serialization.JsonPropertyCollection public class JsonPropertyCollection : KeyedCollection<string, JsonProperty> A collection of JsonProperty objects. Documentation Code namespace Newtonsoft.Json.Serialization { public class JsonPropertyCollection : KeyedCollection<string, JsonProperty> { public JsonPropertyCollection(Type type); public void AddProperty(JsonProperty property); public JsonProperty GetClosestMatchProperty(string propertyName); public JsonProperty GetProperty(string propertyName, StringComparison comparisonType); } }