/// <summary>
/// Formats the specified diagnostics collection as a user-friendly message.
/// </summary>
/// <param name="diagnostics">The diagnostics collection.</param>
/// <returns>A string containing a user-friendly message.</returns>
private static ICollection <string> GetDiagnosticMessages(IDiagnostics diagnostics)
{
if (diagnostics == null)
{
throw new ArgumentNullException(nameof(diagnostics));
}
return(diagnostics
.Select((diagnostic) => string.Format(diagnostic.Code, diagnostic.Args))
.ToList());
}
