code: func NewDefaults() (*args.GeneratorArgs, *CustomArgs) {
  	genericArgs := args.Default().WithoutDefaultFlagParsing()
  	customArgs := &CustomArgs{}
  	genericArgs.CustomArgs = (*generators.CustomArgs)(customArgs) // convert to upstream type to make type-casts work there
  	genericArgs.OutputFileBaseName = "deepcopy_generated"
  	return genericArgs, customArgs
  }
docs: // NewDefaults returns default arguments for the generator.