public override object ReadJson(
            JsonReader reader,
            Type objectType,
            Object existingValue,
            JsonSerializer serializer)
        {
            if (reader.TokenType != JsonToken.StartObject)
            {
                return(null);
            }

            JObject value = JObject.Load(reader);

            if (value.TryGetValue("Type", StringComparison.OrdinalIgnoreCase, out JToken actionTypeValue))
            {
                ActionSourceType actionType;
                if (actionTypeValue.Type == JTokenType.Integer)
                {
                    actionType = (ActionSourceType)(Int32)actionTypeValue;
                }
                else if (actionTypeValue.Type != JTokenType.String || !Enum.TryParse((String)actionTypeValue, true, out actionType))
                {
                    return(null);
                }

                ActionStepDefinitionReference reference = null;
                switch (actionType)
                {
                case ActionSourceType.Repository:
                    reference = new RepositoryPathReference();
                    break;

                case ActionSourceType.ContainerRegistry:
                    reference = new ContainerRegistryReference();
                    break;

                case ActionSourceType.Script:
                    reference = new ScriptReference();
                    break;
                }

                using (var objectReader = value.CreateReader())
                {
                    serializer.Populate(objectReader, reference);
                }

                return(reference);
            }
            else
            {
                return(null);
            }
        }
 private ScriptReference(ScriptReference referenceToClone)
 {
 }