/// <summary>
        /// Fetches the field value.
        /// </summary>
        /// <param name="instance">The instance.</param>
        /// <param name="fieldName">Name of the field.</param>
        /// <returns>The field value.</returns>
        private static object GetFieldValue(TransferManager instance, string fieldName)
        {
            FieldInfo fieldInfo = instance.GetType().GetField(fieldName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static | BindingFlags.FlattenHierarchy);

            return(fieldInfo.GetValue(instance));
        }