code: func (p *BugTemplate) ToProperty() (prop datastore.Property, err error) {
  	data, err := proto.Marshal(p)
  	if err == nil {
  		prop.SetValue(data, datastore.NoIndex)
  	}
  	return
  }
docs: // ToProperty implements datastore.PropertyConverter. It causes an embedded
  // 'BugTemplate' to serialize to an unindexed '[]byte' when used with the
  // "go.chromium.org/gae" library.