/**
     * The node is copied as-is from the underlay. The [documentNode] is the node itself.
     */
    data class FromUnderlay(val documentNode: DeclarativeDocument.DocumentNode) : CopiedOrigin

    /**
     * The node is copied as-is from the overlay. The [documentNode] is the node itself.
     */

	"os"
	"path/filepath"

	"istio.io/istio/pkg/file"
	"istio.io/istio/pkg/util/sets"
)

// Copies/mirrors any files present in a single source dir to N number of target dirs
// and returns a set of the filenames copied.
func copyBinaries(srcDir string, targetDirs []string) (sets.String, error) {
	copiedFilenames := sets.String{}
	srcFiles, err := os.ReadDir(srcDir)
	if err != nil {
		return copiedFilenames, err
	}

		md.resultMetrics, md.resultError = md.wrapped.GetMetrics()
		return md.resultError
	})
	return md.resultMetrics, md.resultError
}

// Copied from sync.Once but we don't want to cache the results if there is an
// error
type cacheOnce struct {
	m    sync.Mutex
	done uint32
}

// Copied from sync.Once but we don't want to cache the results if there is an
// error
func (o *cacheOnce) cache(f func() error) {

this should not be copied...

        p1.exclude p1Exclude
        p2.exclude p2Exclude

        when:
        def copied = child.copyRecursive()

        then:
        copied.excludeRules.size() == 2
        copied.excludeRules.collect { [group: it.group, module: it.module] }.sort { it.group } == [p1Exclude, p2Exclude]
    }

    def "copied configuration has own instance of resolution strategy"() {

  }

  /**
   * Creates an {@code AtomicReferenceArray} instance with the same length as, and all elements
   * copied from, the given array.
   *
   * @param array the array to copy elements from
   * @return a new {@code AtomicReferenceArray} copied from the given array
   */
  public static <E extends @Nullable Object> AtomicReferenceArray<E> newReferenceArray(E[] array) {

  }

  /**
   * Creates an {@code AtomicReferenceArray} instance with the same length as, and all elements
   * copied from, the given array.
   *
   * @param array the array to copy elements from
   * @return a new {@code AtomicReferenceArray} copied from the given array
   */
  public static <E extends @Nullable Object> AtomicReferenceArray<E> newReferenceArray(E[] array) {

this should not be copied...

        outputEventListener.toString().contains("[WARN] [org.gradle.api.internal.file.copy.DuplicateHandlingCopyActionDecorator] file 'path/file1.txt' will be copied to '/root/path/file1.txt', overwriting file 'path/file1.txt', which has already been copied there.")
    }


    def duplicatesWarnByPerFileConfiguration() {
        given:
        files 'path/file1.txt', 'path/file2.txt', 'path/file1.txt'

		t.Fatal(err)
	}
	f, err := os.Open(filepath.Join(d, "out"))
	if err != nil {
		t.Fatal(err)
	}
	m, _ := f.Stat()
	// Mode should be copied
	assert.Equal(t, m.Mode(), 0o750)

	body, _ := io.ReadAll(f)
	// Contents should be copied
	assert.Equal(t, body, []byte("hello world"))
}

func TestCopy(t *testing.T) {
	copyTest(t, Copy)
}

func TestAtomicCopy(t *testing.T) {