code: func IsMigratableIntreePluginByName(inTreePluginName string) bool {
  	for _, curPlugin := range inTreePlugins {
  		if curPlugin.GetInTreePluginName() == inTreePluginName {
  			return true
  		}
  	}
  	return false
  }
docs: // IsMigratableIntreePluginByName tests whether there is migration logic for the in-tree plugin
  // whose name matches the given name