/// <summary>
        /// Get all the properties.
        /// </summary>
        /// <param name="data"></param>
        /// <param name="config">The configuration to use</param>
        /// <returns></returns>
        /// <exception cref="ArgumentNullException">
        /// Thrown if the supplied flow data is null.
        /// </exception>
        protected virtual Dictionary <string, object> GetAllProperties(
            IFlowData data,
            PipelineConfig config)
        {
            if (data == null)
            {
                throw new ArgumentNullException(nameof(data));
            }
            if (config == null)
            {
                throw new ArgumentNullException(nameof(config));
            }

            Dictionary <string, object> allProperties = new Dictionary <string, object>();

            foreach (var element in data.ElementDataAsDictionary().Where(elementData =>
                                                                         _elementExclusionList.Contains(elementData.Key) == false))
            {
                if (allProperties.ContainsKey(element.Key.ToLowerInvariant()) == false)
                {
                    var values = GetValues(data,
                                           element.Key.ToLowerInvariant(),
                                           (element.Value as IElementData).AsDictionary(),
                                           config);
                    allProperties.Add(element.Key.ToLowerInvariant(), values);
                }
            }

            return(allProperties);
        }
        private SetHeadersData GetFromFlowData(IFlowData data)
        {
            var output        = data.ElementDataAsDictionary();
            var elementOutput = output[_element.ElementDataKey];

            Assert.IsNotNull(elementOutput);
            Assert.IsInstanceOfType(elementOutput, typeof(SetHeadersData));
            var typedOutput = elementOutput as SetHeadersData;

            Assert.IsNotNull(typedOutput.ResponseHeaderDictionary);
            return(typedOutput);
        }
        protected virtual Dictionary <String, object> GetAllProperties(IFlowData data)
        {
            if (data == null)
            {
                throw new ArgumentNullException(nameof(data));
            }

            Dictionary <string, object> allProperties = new Dictionary <string, object>();

            foreach (var element in data.ElementDataAsDictionary())
            {
                if (allProperties.ContainsKey(element.Key.ToLowerInvariant()) == false)
                {
                    var values = GetValues((element.Value as IElementData).AsDictionary());

                    allProperties.Add(element.Key.ToLowerInvariant(), values);
                }
            }

            return(allProperties);
        }