/// <summary>
/// Gets list of values from environment\setting file or empty List if path doesn't exist in file and environment variables.
/// Exception will not be threw.
/// </summary>
/// <typeparam name="T">Type of a value.</typeparam>
/// <param name="file">Settings file.</param>
/// <param name="path">Path to a value. Depends on file format, it can be xpath, path etc.</param>
/// <returns>List of values or empty List.</returns>
public static IReadOnlyList <T> GetValueListOrEmpty <T>(this ISettingsFile file, string path)
{
return(file.IsValuePresent(path) ? file.GetValueList <T>(path) : new List <T>());
}
