/// <summary>
/// Creates a new <see cref="ResponseMessage" /> instance.
/// </summary>
public ResponseMessage(MessageId id, JToken result, ResponseError error)
{
Id = id;
Result = result;
Error = error;
}
/// <summary>
/// Creates a new <see cref="ResponseMessage" /> instance that indicates error.
/// </summary>
public ResponseMessage(MessageId id, ResponseError error) : this(id, null, error)
{
}