files 'path/file1.txt', 'path/file2.txt', 'path/file1.txt'
        actions {}

        when:
        visit()

        then:
        2 * delegateAction.processFile({ it.relativePath.pathString == '/root/path/file1.txt' })
        1 * delegateAction.processFile({ it.relativePath.pathString == '/root/path/file2.txt' })
    }

    def duplicatesExcludedByPerFileConfiguration() {
        given:

                action.processFile(dir1)
                action.processFile(file1)

                action.processFile(dir2)
                action.processFile(file2)
            }
        })

        then:
        1 * delegateAction.processFile({ it.path == 'a'})
        1 * delegateAction.processFile({ it.path == 'a/b'})
        1 * delegateAction.processFile(dir1)
        1 * delegateAction.processFile(file1)

        then:
        1 * instantiator.newInstance(DefaultFileCopyDetails.class, dirDetails, specResolver, objectFactory, fileSystem) >> defaultFileCopyDetails
        1 * action.processFile(defaultFileCopyDetails)
        0 * defaultFileCopyDetails.excluded
    }

    def "visit file if no action are defined in copy spec"() {
        given:
        FileVisitDetails dirDetails = Mock()

    }

    @Override
    public void visitFile(FileVisitDetails fileDetails) {
        processFile(fileDetails);
    }

    private void processDir(FileVisitDetails visitDetails) {
        DefaultFileCopyDetails details = createDefaultFileCopyDetails(visitDetails);
        action.processFile(details);
    }

    private void processFile(FileVisitDetails visitDetails) {

		}
	}

	if flag.NArg() == 0 {
		if err := processFile("standard input", true); err != nil {
			report(err)
		}
		os.Exit(exitCode)
	}

	for i := 0; i < flag.NArg(); i++ {
		path := flag.Arg(i)
		switch dir, err := os.Stat(path); {
		case err != nil:
			report(err)
		case dir.IsDir():
			walkDir(path)
		default:
			if err := processFile(path, false); err != nil {
				report(err)
			}
		}

                TestFiles.documentationRegistry())

        when:
        executer.execute(copySpec, copyAction)

        then:
        1 * action.processFile({ it.relativePath.pathString == "a" })
        0 * action.processFile(_)
    }

    Closure path(path) {
        return { println it.relativePath.pathString; it.relativePath.pathString == path }
    }

 * limitations under the License.
 */

package org.gradle.api.internal.file;

import org.gradle.api.internal.file.copy.FileCopyDetailsInternal;

public interface CopyActionProcessingStreamAction {

    void processFile(FileCopyDetailsInternal details);

		return errors.New("Missed the end of previous conformance test. There might be a bug in this script.")
	}
	if checkFailed {
		return errors.New("We need to fix the above errors.")
	}
	return nil
}

func processFile(e2ePath string) error {
	regGoFile := regexp.MustCompile(`.*\.go`)

	files, err := os.ReadDir(e2ePath)
	if err != nil {
		return fmt.Errorf("Failed to read dir %s: %w", e2ePath, err)
	}
	for _, file := range files {

            @Override
            public void process(CopyActionProcessingStreamAction action) {
                for (FileCopyDetailsInternal detailsInternal : details) {
                    action.processFile(detailsInternal);
                }
            }
        });
    }

    public static WorkResult visit(CopyAction visitor, final FileCopyDetailsInternal... details) {

		warningsByFilename[path] = warning
	}
	processDirectory := func(directory string, processFile func(string)) error {
		err := filepath.Walk(directory, func(path string, info os.FileInfo, err error) error {
			if err != nil {
				return err
			}

			if info.IsDir() {
				return nil
			}

			if isFileFormatValid(path) {
				processFile(path)
			}

			return nil
		})
		return err
	}