text := []byte("The quick brown fox")
	fmt.Println("Split byte slice into fields:")
	for word := range bytes.FieldsSeq(text) {
		fmt.Printf("%q\n", word)
	}

	textWithSpaces := []byte("  lots   of   spaces  ")
	fmt.Println("\nSplit byte slice with multiple spaces:")
	for word := range bytes.FieldsSeq(textWithSpaces) {
		fmt.Printf("%q\n", word)
	}

	// Output:
	// Split byte slice into fields:
	// "The"

		if !slices.Equal(result, tt.a) {
			t.Errorf("Fields(%q) = %v; want %v", tt.s, a, tt.a)
			continue
		}

		result2 := sliceOfString(collect(t, FieldsSeq([]byte(tt.s))))
		if !slices.Equal(result2, tt.a) {
			t.Errorf(`collect(FieldsSeq(%q)) = %v; want %v`, tt.s, result2, tt.a)
		}

		if string(b) != tt.s {
			t.Errorf("slice changed to %s; want %s", string(b), tt.s)
		}
		if len(tt.a) > 0 {

		return Error[ErrConfigNotFound]("sub-system %s:%s already deleted or does not exist", subSys, tgt)
	}

	if len(inputs) == 2 {
		currKVS := ck.Clone()
		defKVS := DefaultKVS[subSys]
		for delKey := range strings.FieldsSeq(inputs[1]) {
			_, ok := currKVS.Lookup(delKey)
			if !ok {
				return Error[ErrConfigNotFound]("key %s doesn't exist", delKey)
			}
			defVal, isDef := defKVS.Lookup(delKey)
			if isDef {