/// <summary>
        /// Verify the requirements of the complex type FileFolderChangeDefinition.
        /// </summary>
        /// <param name="change">The actual FileFolderChangeDefinition complex type.</param>
        private void VerifyFileFolderChangeDefinition(
            FileFolderChangeDefinition change)
        {
            Site.Assert.IsNotNull(change, "The FileFolderChangeDefinition cannot be null");

            // Verify the requirements of the ChangeTypeEnum simple type.
            this.VerifyChangeTypeEnum();
        }