private void ThrowInvalidSignature(string?additionalInfo = null)
{
var message = new StringBuilder()
.AppendFormat("Method signature [{0}] is not supported.", SyntaxTools.GetSignature(Method.Source));
if (!string.IsNullOrEmpty(additionalInfo))
{
message.Append(" ").Append(additionalInfo);
}
throw new NotSupportedException(message.ToString());
}
