n, err := netns.GetNS(nspath)
	if err != nil {
		return nil, err
	}
	i, err := inodeForFd(n)
	if err != nil {
		n.Close()
		return nil, err
	}
	return &NetnsWrapper{innerNetns: n, inode: i}, nil
}

func NetnsSet(n NetnsFd) error {
	if err := unix.Setns(int(n.Fd()), unix.CLONE_NEWNET); err != nil {
		return fmt.Errorf("Error switching to ns fd %v: %v", n.Fd(), err)
	}
	return nil
}

    }

    public int getAttributes() {
        return fileAttributes;
    }
    public long getCreateTime() {
        return lastWriteTime + serverTimeZoneOffset;
    }
    public long getLastWriteTime() {
        return lastWriteTime + serverTimeZoneOffset;
    }
    public long getSize() {
        return fileSize;
    }
    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {

			utimes(path, atime, mtime, callback) { callback(enosys()); },
		};
	}

	if (!globalThis.process) {
		globalThis.process = {
			getuid() { return -1; },
			getgid() { return -1; },
			geteuid() { return -1; },
			getegid() { return -1; },
			getgroups() { throw enosys(); },
			pid: -1,
			ppid: -1,
			umask() { throw enosys(); },
			cwd() { throw enosys(); },
			chdir() { throw enosys(); },
		}

            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(SynonymService.class).getSynonymItem(form.dictId, ((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

		if err != nil {
			return nil, err
		}

		return format, nil
	}

	// Return error when quorum unformatted disks - indicating we are
	// waiting for first server to be online.
	unformattedDisks := quorumUnformattedDisks(sErrs)
	if unformattedDisks && !firstDisk {
		return nil, errNotFirstDisk
	}

	// Return error when quorum unformatted disks but waiting for rest

    return ImmutableMap.<C, Map<R, V>>copyOf(columnMap);
  }

  @Override
  public ImmutableMap<R, Map<C, V>> rowMap() {
    // Casts without copying.
    ImmutableMap<R, ImmutableMap<C, V>> rowMap = this.rowMap;
    return ImmutableMap.<R, Map<C, V>>copyOf(rowMap);
  }

  @Override
  public int size() {
    return cellRowIndices.length;
  }

  @Override

     *
     * @param classLoader
     *            クラスローダ。{@literal null}であってはいけません
     * @return {@link ClassLoaderIterator}をラップした{@link Iterable}
     */
    public static Iterable<ClassLoader> iterable(final ClassLoader classLoader) {
        return () -> new ClassLoaderIterator(classLoader);
    }

    /**
     * インスタンスを構築します。
     *
     * @param classLoader

     * Note: only one, this method or {@link #getRecommendedVersion()} method must return non-{@code null} value.
     */
    @Nullable
    VersionRange getVersionRange();

    /**
     * Returns the recommended version of this constraint, or {@code null} if none.
     * <p>
     * Note: only one, this method or {@link #getVersionRange()} method must return non-{@code null} value.
     */
    @Nullable
    Version getRecommendedVersion();

        Objects.requireNonNull(input, "input cannot be null");

        return read(Files.newInputStream(input.toPath()), options);
    }

    public Metadata read(Reader input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (Reader in = input) {
            return new Metadata(new MetadataStaxReader().read(in, isStrict(options)));

		l[i], l[j] = l[j], l[i]
	}
	return path.Join(append([]string{etcdPathSeparator + prefix + etcdPathSeparator}, l...)...)
}

// dnsJoin joins labels to form a fully qualified domain name. If the last label is
// the root label it is ignored. Not other syntax checks are performed.
func dnsJoin(labels ...string) string {
	ll := len(labels)
	if labels[ll-1] == "." {
		return strings.Join(labels[:ll-1], ".") + "."
	}