code: func (b *BoolOption) Unmarshal(data []byte) error {
  	protoValue := &BoolValue{}
  	err := proto.Unmarshal(data, protoValue)
  	if err != nil {
  		return err
  	}
  	b.Value = protoValue.Value
  	return nil
  }
docs: // Unmarshal unmarshals value from protobuf