/// <summary>
        /// Gets the value of an SVN property.
        /// If the property does not exist, an exception is thrown.
        /// </summary>
        public static string GetPropertyValue(this SvnCommand svnCommand, AbsolutePath path, string propertyName)
        {
            var output = SvnCommandServicesProvider.GetPropertyValue(svnCommand.SvnExecutableFilePath, path, propertyName, svnCommand.Logger);

            return(output);
        }