void EmitBuildParameter(LogRotateOptionsBuilder builder, string line)
{
var match = Regex.Match(line, @"^\s*(?<name>\S+)(\s+(?<val>.*?))?\s*$");
if (!match.Success)
{
throw new InvalidOperationException("invalid config " + line);
}
var name = match.Groups["name"].Value;
var value = match.Groups["val"].Value.TrimEnd();
builder.AddBuildParameter(name, string.IsNullOrEmpty(value) ? null : value);
}
