type slicesByAction struct {
	toCreate, toUpdate, toDelete []*discovery.EndpointSlice
}

// append appends slices from another slicesByAction struct.
func (s *slicesByAction) append(slices slicesByAction) {
	s.toCreate = append(s.toCreate, slices.toCreate...)
	s.toUpdate = append(s.toUpdate, slices.toUpdate...)
	s.toDelete = append(s.toDelete, slices.toDelete...)
}

			},
			toDelete: []*discovery.EndpointSlice{
				simpleEndpointSlice("bar1", "10.2.3.4", discovery.AddressTypeIPv4),
				simpleEndpointSlice("bar2", "10.3.4.5", discovery.AddressTypeIPv4),
			},
		},
		expectedSlices: &slicesByAction{
			toUpdate: []*discovery.EndpointSlice{simpleEndpointSlice("bar1", "10.1.2.3", discovery.AddressTypeIPv4)},

func deleteNamedVals(f *Func, toDelete []namedVal) {
	// Arrange to delete from larger indices to smaller, to ensure swap-with-end deletion does not invalidate pending indices.
	sort.Slice(toDelete, func(i, j int) bool {
		if toDelete[i].locIndex != toDelete[j].locIndex {
			return toDelete[i].locIndex > toDelete[j].locIndex
		}
		return toDelete[i].valIndex > toDelete[j].valIndex

	})

		})
	}

	// If there are unique sets of ports that are no longer desired, mark
	// the corresponding endpoint slices for deletion.
	for portKey, existingSlices := range existingSlicesByKey {
		if _, ok := d.endpointsByKey[portKey]; !ok {
			for _, existingSlice := range existingSlices {
				slices.toDelete = append(slices.toDelete, existingSlice)
			}
		}
	}

		}
	}
	block = append(block, '\n')

	// Build sorted list of lines to delete from remainder of output.
	toDelete := append(p.goBuild, p.plusBuild...)
	slices.Sort(toDelete)

	// Collect output after insertion point, with lines deleted, into after.
	var after []byte
	start := insert
	for _, end := range toDelete {
		if end < start {
			continue
		}
		after = appendLines(after, p.output[start:end])

        write(model, tgt);
    }

    private void deferDeleteFile(Path generatedFile) {
        toDelete.add(generatedFile.toAbsolutePath());
    }

    @PreDestroy
    private void doDeleteFiles() {
        for (Path file : toDelete) {
            try {
                Files.delete(file);
            } catch (IOException e) {
                // ignore, we did our best...

        if (warnAboutCleanup) {
            System.out.println("[WARNING] TestFileManager from: " + callerInfo.getClassName() + " not cleaned up!");
        }
    }

    public void markForDeletion(File toDelete) {
        filesToDelete.add(toDelete);
        warnAboutCleanup = true;
    }

    public synchronized File createTempDir() {
        try {
            Thread.sleep(20);
        } catch (InterruptedException e) {

			// remove from inProgressResources
			// TODO: cleanup completedResources
			toDelete = append(toDelete, item)
		} else {
			r.inProgressResources[item.ToModelKey()].completedIterations = total
		}
	}
	for _, resource := range toDelete {
		delete(r.inProgressResources, resource.ToModelKey())
	}
}

	var nonDelete, toDelete []interface{}
	for _, v := range l {
		m, ok := v.(map[string]interface{})
		if !ok {
			return nil, nil, mergepatch.ErrBadArgType(m, v)
		}

		directive, foundDirective := m[directiveMarker]
		if foundDirective && directive == deleteDirective {
			toDelete = append(toDelete, v)
		} else {
			nonDelete = append(nonDelete, v)
		}
	}

	t := time.NewTimer(to)
	want := sets.New[string](updates...)
	got := make([]string, 0, len(updates))
	for {
		select {
		case toDelete := <-a.Updates:
			if toDelete == "" {
				return got, fmt.Errorf("closed")
			}
			want.Delete(toDelete)
			got = append(got, toDelete)
			if want.Len() == 0 {
				return got, nil
			}
		case <-t.C: