@J2ktIncompatible
@GwtIncompatible
@J2ObjCIncompatible // java.nio.file
@ElementTypesAreNonnullByDefault
@IgnoreJRERequirement // Users will use this only if they're already using Path.
public final class MoreFiles {

  private MoreFiles() {}

  /**
   * Returns a view of the given {@code path} as a {@link ByteSource}.
   *
   * <p>Any {@linkplain OpenOption open options} provided are used when opening streams to the file

 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
@J2ObjCIncompatible // java.nio.file
@ElementTypesAreNonnullByDefault
public final class MoreFiles {

  private MoreFiles() {}

  /**
   * Returns a view of the given {@code path} as a {@link ByteSource}.
   *
   * <p>Any {@linkplain OpenOption open options} provided are used when opening streams to the file

    assertEquals("gz", MoreFiles.getFileExtension(FS.getPath("blah.tar.gz")));
    assertEquals("", MoreFiles.getFileExtension(root()));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath(".")));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath("..")));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath("...")));

    assertEquals("gz", MoreFiles.getFileExtension(FS.getPath("blah.tar.gz")));
    assertEquals("", MoreFiles.getFileExtension(root()));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath(".")));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath("..")));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath("...")));

      Path file = createFile();
      if (initialBytes != null) {
        java.nio.file.Files.write(file, initialBytes);
        return MoreFiles.asByteSink(file, StandardOpenOption.APPEND);
      }
      return MoreFiles.asByteSink(file);
    }

    @Override
    public byte[] getExpected(byte[] bytes) {
      if (initialBytes == null) {
        return checkNotNull(bytes);

import com.google.j2objc.annotations.J2ObjCIncompatible;
import java.nio.file.SecureDirectoryStream;

/**
 * Options for use with recursive delete methods ({@link MoreFiles#deleteRecursively} and {@link
 * MoreFiles#deleteDirectoryContents}).
 *
 * @since NEXT (but since 21.0 in the JRE flavor)
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
@J2ObjCIncompatible // java.nio.file

import com.google.j2objc.annotations.J2ObjCIncompatible;
import java.nio.file.SecureDirectoryStream;

/**
 * Options for use with recursive delete methods ({@link MoreFiles#deleteRecursively} and {@link
 * MoreFiles#deleteDirectoryContents}).
 *
 * @since 21.0 (but only since 33.4.0 in the Android flavor)
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
@J2ObjCIncompatible // java.nio.file

 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
@J2ObjCIncompatible // java.nio.file
@ElementTypesAreNonnullByDefault
// Users are unlikely to use this unless they're already interacting with MoreFiles and Path.
@IgnoreJRERequirement
public final class InsecureRecursiveDeleteException extends FileSystemException {

  public InsecureRecursiveDeleteException(@CheckForNull String file) {