code: func NewYamlSourceFromFlagFunc(flagFileName string) func(context *cli.Context) (InputSourceContext, error) {
  	return func(context *cli.Context) (InputSourceContext, error) {
  		filePath := context.String(flagFileName)
  		return NewYamlSourceFromFile(filePath)
  	}
  }
docs: // NewYamlSourceFromFlagFunc creates a new Yaml InputSourceContext from a provided flag name and source context.