/// <summary>
        /// Returns true if DocumentGetPreviewResponse instances are equal
        /// </summary>
        /// <param name="input">Instance of DocumentGetPreviewResponse to be compared</param>
        /// <returns>Boolean</returns>
        public bool Equals(DocumentGetPreviewResponse input)
        {
            if (input == null)
            {
                return(false);
            }

            return
                ((
                     Error == input.Error ||
                     (Error != null &&
                      Error.Equals(input.Error))
                     ) &&
                 (
                     RemainingTokens == input.RemainingTokens ||
                     RemainingTokens.Equals(input.RemainingTokens)
                 ) &&
                 (
                     PageCount == input.PageCount ||
                     PageCount.Equals(input.PageCount)
                 ) &&
                 (
                     ThumbnailData == input.ThumbnailData ||
                     (ThumbnailData != null &&
                      ThumbnailData.Equals(input.ThumbnailData))
                 ) &&
                 (
                     DocumentFormat == input.DocumentFormat ||
                     DocumentFormat.Equals(input.DocumentFormat)
                 ));
        }