public static ReadlineConfiguration <T> WithoutCleanup <T>(this ReadlineConfiguration <T> composer) => composer.WithCleanup(ReadlineCleanup.None);
 public static ReadlineConfiguration <T> WithCleanup <T>(this ReadlineConfiguration <T> composer, ReadlineCleanup cleanup = ReadlineCleanup.RemoveAll)
 {
     return(composer.WithCleanup(cleanup, cleanup));
 }